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Before yesterdaySecurity – Cisco Blog

Undersea Cables and Cyber Physical Risks.

By Martin Lee

Cyber security implies protecting the confidentiality, availability and integrity of computer systems and networks. Often security researchers and security teams focus on threats to software and the risks associated with authenticating and managing users. However, computing systems are built upon a tall stack of computing resources.  

Each layer within the stack is exposed to specific threats which need to be considered as part of a cyber security strategy. As the threat landscape evolves and exposure to risk changes, organizations need to review their threat exposure and consider if current mitigations are sufficient for their needs. 

The recent disruption of the Nord Stream submarine gas pipeline in the Baltic Sea by an apparent act of sabotage highlights the risks to infrastructure located beneath the waves. The telecommunications infrastructure that carries internet traffic between countries and continents is often provided by submarine cables. These cables are relatively few in number but carry vast amounts of internet and enterprise traffic, potentially from many different service providers. 

The seabed is a challenging environment for infrastructure. Sea water is corrosive, the pressure on the ocean floor can be extreme, while earthquakes, ship’s anchors and dredging provide additional risks to may result in the severing of a cable. Submarine cables are only expected to achieve a lifespan in the region of 25 years before failure.  

Repairing or replacing a submarine cable is expensive and time consuming. It may be many months before a failed cable can be repaired or replaced. In the absence of a functioning cable, internet connections must be rerouted to avoid disruption. However, this risks saturating the remaining infrastructure and adversely affecting the quality of connections.  

Organizations that require high availability international or intercontinental network connections should review their exposure to the risk of submarine cables failure. The nature of this risk will depend on how services are currently delivered.  

  1. Services may be delivered by a single service provider with a guaranteed level of service. In this case, organizations should review their provider’s contingencies in case of loss of one or more submarine cables and verify that these meet requirements.
  2. Piecemeal connections delivered by multiple providers may have been assembled to satisfy needs. Organizations should verify that this connectivity is able to support network requirements if one or more of the connections are unavailable. Organizations should seek to avoid single points of failure such as landing stations or conduits that may be shared by what otherwise appear to be independent connections.
  3. Software-defined Wide Area Networking (SD-WAN) is often used to route traffic in the most efficient manner to meet requirements. The flexibility of the approach implies that the loss of any single physical path would not lead to the loss of connectivity, but the increased flow of data within remaining paths may lead to a degradation in connection quality. Organizations should model how the loss of an undersea cable would affect their services and check if additional redundancy is necessary. 

At the time of writing there is no specific threat to undersea infrastructure. Other than attacks against terrestrial cables, no cable damage has been shown to be due to sabotage. Nevertheless, the Secretary General of NATO has stressed the importance of undersea cables to civilian society and military capability [1]. The British Chief of Defense Staff has warned how seriously intentional damage to telecommunications cables would be taken [2]. 

Physical infrastructure can not be taken for granted. Organizations would do well to review the impact of one or more submarine cables being taken out of service. Preparing response plans and contingencies in advance ensures that disruption is kept to a minimum in the event that such a scenario occurs.  

[1]. Press Conference (22 Oct 2020), NATO Secretary General Jens Stoltenberg. 

https://www.nato.int/cps/en/natohq/opinions_178946.htm?selectedLocale=en 

[2]. “Chief of Defence Staff: Russia cutting underwater cables could be ‘an act of war’” (8 Jan 2022), Forces.net. 

https://www.forces.net/news/chief-defence-staff-russia-cutting-underwater-cables-could-be-act-war 


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UN’s International Day of Tolerance is a good reminder that workforce diversity should be 365-day goal

By Shailaja Shankar

Since 1996, United Nations members have commemorated Nov. 16 as International Day of Tolerance. As a word, tolerance can mean different things to different people and cultures. The UN defines tolerance as: “respect, acceptance and appreciation of the rich diversity of our world’s cultures, our forms of expression and ways of being human.” I define it slightly differently. To me, tolerance is acceptance. Tolerance is inclusion. Tolerance is humanity. Tolerance is letting people be and live authentically as they choose.  

Being able to live authentically is key. It’s about creating an environment for everyone to fit in and feel a sense of belonging. In a way, this means obfuscating the “standard” and stop paying attention to the degrees of variation from it.  Tolerance is a step one in that process and a critical step toward a more diverse and tolerant world.  

But if this is the goal, I say we have lots of work left in promoting this within our workforce, especially in the cybersecurity industry. I wrote extensively about this in a blog last year on why diversity matters so much to create stronger cybersecurity organizations. I pointed out that cybersecurity as a technology is multi-faceted and constantly changing. So, it would make sense that a highly diverse organization would provide different perspectives and more creative solutions to these challenges. 

Cybersecurity workforce by the numbers 

Even in the face of this logical goal of creating more diverse workforces, legacy recruiting, education, and even hiring practices are holding us back as an industry. I’ll look at one workforce populations specifically, women in cybersecurity. Currently, women constitute less than 25 percent of the workforce in cybersecurity. Of course, this is inclusive of all roles in cybersecurity meaning that I think it’s fair to say that the percentage of women in technical cybersecurity roles (e.g., software and hardware engineering) would be much lower. That’s discouraging, especially when there are still more than 700,000 cybersecurity positions that remain unfilled, many of them being high-paying roles. 

Perhaps the more important question is “why?” The International Information System Security Certification Consortium (ISC2) commissioned a study to examine this issue closely and came up with some important conclusions that I’ll summarize. 

  1. Women, especially when they are girls, tend to self-select out of pursuing cybersecurity careers because they believe they have to be “much more accomplished than men in order to get equal treatment”.  
  2. Cybersecurity work itself has an image issue that may not be appealing to women with its intense war-room and cloak-and-dagger, spy-vs-spy metaphors. I have personally experienced this myself and wrote in my earlier blog about my belief that I had to act like just “one of the guys” just to fit it. Perception or not, the feelings are real, and we must acknowledge it as an issue. 
  3. Though not limited to the cybersecurity industry, it is a reality that women tend to be paid less and get promoted more slowly compared to their male counterparts. This is a contributing factor for women tending to leave the field more quickly than men. Of the three issues I’ve listed, I believe this is the most fixable. The first step of any solution is to understand that there is a problem. In other words, if the cybersecurity industry is going to be more tolerant and diverse, we have to understand what intolerance and lack of diversity looks like. 

The path towards more tolerance and diversity 

In promoting the International Day of Tolerance, Secretary-General Ban Ki-moon listed three ways we as a global society can be more tolerant: education, inclusion, and opportunities. As it happens, those are also exactly the approaches required to create more diverse workforces.  

Of the three, I believe education (the earlier the better) is key as it’s foundational to being able to take advantage of inclusion and opportunities. Yes, we must continue to invest in STEM education and encourage more girls and minorities to take part. But the harder challenge is to somehow overcome the perception issue among large parts of these populations that the STEM field is not for them.  

I believe that will require an investment in time and interaction in the form of mentoring and community outreach. For example, the Cisco Women in Technology employee resource organization that I’m proud to be the executive sponsor for, started a coding bootcamp targeting underrepresented populations. There will be many more bootcamps next year including weeklong camps in the summer. We need more of this, much more and I know there are many companies in cybersecurity who have similar aspirations and programs. 

So, on this International Day of Tolerance, I ask my fellow cybersecurity professionals to at least think of ways they can influence someone in an underrepresented population to explore a career in the STEM field including cybersecurity. Take part in local volunteer activities at a school, especially in an inner-city one, like the kind that the Cisco Networking Academy is renowned for. Join and be an active participant in one of many cybersecurity organizations and affinity groups. Become a sponsor and a mentor to a girl or a minority and help encourage them to get ready to join this exciting and lucrative industry. 

But whatever you do, get started. Author and activist Rachel Cargle spoke to us earlier this year as part of our Black History Month celebration about what it means to show up with purpose toward addressing many injustices that still exist today. There’s an incredible disconnect here between humanity and dignity and all of this stuff in the country, and that should hopefully push you to action,” she said. Indeed, as these are issues that have existed for decades, and we will not solve them in a day, a month, or even a year. But if we don’t start, I’m afraid that the diversity issues that I’ve highlighted will be much the same in the International Day of Tolerance for years to come. 


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Cisco Secure Firewall on AWS: Build resilience at scale with stateful firewall clustering

By Anubhav Swami

Organizations embrace the public cloud for the agility, scalability, and reliability it offers when running applications. But just as organizations need these capabilities to ensure their applications operate where needed and as needed, they also require their security does the same. Organizations may introduce multiple individual firewalls into their AWS infrastructure to produce this outcome. In theory, this may be a good decision, but in practice—this could lead to asymmetric routing issues. Complex SNAT configuration can mitigate asymmetric routing issues, but this isn’t practical for sustaining public cloud operations. Organizations are looking out for their long-term cloud strategies by ruling out SNAT and are calling for a more reliable and scalable solution for connecting their applications and security for always-on protection.

To solve these challenges, Cisco created stateful firewall clustering with Secure Firewall in AWS.

 

Cisco Secure Firewall clustering overview

Firewall clustering for Secure Firewall Threat Defense Virtual provides a highly resilient and reliable architecture for securing your AWS cloud environment. This capability lets you group multiple Secure Firewall Threat Defense Virtual appliances together as a single logical device, known as a “cluster.”

A cluster provides all the conveniences of a single device (management and integration into a network) while taking advantage of the increased throughput and redundancy you would expect from deploying multiple devices individually. Cisco uses Cluster Control Link (CCL) for forwarding asymmetric traffic across devices in the cluster. Clusters can go up to 16 members, and we use VxLAN for CCL.

In this case, clustering has the following roles:

Figure 1: Cisco Secure Firewall Clustering Overview

The above diagram explains traffic flow between the client and the server with the insertion of the firewall cluster in the network. Below defines the roles of clustering and how packet flow interacts at each step.

 

Clustering roles and responsibilities 

Owner: The Owner is the node in the cluster that initially receives the connection.

    • The Owner maintains the TCP state and processes the packets. 
    • A connection has only one Owner. 
    • If the original Owner fails, the new node receives the packets, and the Director chooses a new Owner from the available nodes in the cluster.

Backup Owner: The node that stores TCP/UDP state information received from the Owner so that the connection can be seamlessly transferred to a new owner in case of failure.

Director: The Director is the node in the cluster that handles owner lookup requests from the Forwarder(s). 

    • When the Owner receives a new connection, it chooses a Director based on a hash of the source/destination IP address and ports. The Owner then sends a message to the Director to register the new connection. 
    • If packets arrive at any node other than the Owner, the node queries the Director. The Director then seeks out and defines the Owner node so that the Forwarder can redirect packets to the correct destination. 
    • A connection has only one Director. 
    • If a Director fails, the Owner chooses a new Director.

Forwarder: The Forwarder is a node in the cluster that redirects packets to the Owner. 

    • If a Forwarder receives a packet for a connection it does not own, it queries the Director to seek out the Owner 
    • Once the Owner is defined, the Forwarder establishes a flow, and redirects any future packets it receives for this connection to the defined Owner.

Fragment Owner: For fragmented packets, cluster nodes that receive a fragment determine a Fragment Owner using a hash of the fragment source IP address, destination IP address, and the packet ID. All fragments are then redirected to the Fragment Owner over Cluster Control Link.  

 

Integration with AWS Gateway Load Balancer (GWLB)

Cisco brought support for AWS Gateway Load Balancer (Figure 2). This feature enables organizations to scale their firewall presence as needed to meet demand (see details here).

Figure 2: Cisco Secure Firewall and AWS Gateway Load Balancer integration

 

Cisco Secure Firewall clustering in AWS

Building off the previous figure, organizations can take advantage of the AWS Gateway Load Balancer with Secure Firewall’s clustering capability to evenly distribute traffic at the Secure Firewall cluster. This enables organizations to maximize the benefits of clustering capabilities including increased throughput and redundancy. Figure 3 shows how positioning a Secure Firewall cluster behind the AWS Gateway Load Balancer creates a resilient architecture. Let’s take a closer look at what is going on in the diagram.

Figure 3: Cisco Secure Firewall clustering in AWS

Figure 3 shows an Internet user looking to access a workload. Before the user can access the workload, the user’s traffic is routed to Firewall Node 2 for inspection. The traffic flow for this example includes:

User -> IGW -> GWLBe -> GWLB -> Secure Firewall (2) -> GLWB -> GWLBe -> Workload

In the event of failure, the AWS Gateway Load Balancer cuts off existing connections to the failed node, making the above solution non-stateful.

Recently, AWS announced a new feature for their load balancers known as Target Failover for Existing Flows. This feature enables forwarding of existing connections to another target in the event of failure.

Cisco is an early adaptor of this feature and has combined Target Failover for Existing Flows with Secure Firewall clustering capabilities to create the industry’s first stateful cluster in AWS.

aws
Figure 4: Cisco Secure Firewall clustering rehashing existing flow to a new node

Figure 4 shows a firewall failure event and how the AWS Gateway Load Balancer uses the Target Failover for Existing Flows feature to switch the traffic flow from Firewall Node 2 to Firewall Node 3. The traffic flow for this example includes:

User -> IGW -> GWLBe -> GWLB -> Secure Firewall (3) -> GLWB -> GWLBe -> Workload

 

Conclusion

Organizations need reliable and scalable security to protect always-on applications in their AWS cloud environment. With stateful firewall clustering capabilities from Cisco, organizations can protect their applications while maintaining cloud benefits such as agility, scalability, and reliability.

Cisco Secure Firewall Threat Defense Virtual is available in the AWS marketplace, providing features like firewalling, application visibility & control, IPS, URL filtering, and malware defense. Cisco offers flexible options for firewall licensing, such as pay-as-you-go (PAYG) and bring-your-own-license (BYOL). To learn more about how Cisco Secure Firewall clustering capabilities can help protect your AWS applications, see our additional resources, check out our 30-day free trial, or speak to your Cisco sales representative.

 

Additional Resources 

Cisco Secure Firewall Clustering in the Cloud

Building a Scalable Security Architecture on AWS with Cisco Secure Firewall and AWS Gateway Load Balancer

Introducing AWS Gateway Load Balancer Target Failover for Existing Flows

Secure Firewall for Public Cloud webpage


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Cisco Secure Endpoint Crushed the AV-Comparative EPR Test

By Truman Coburn

The word is out! Cisco Secure Endpoint’s effectiveness is off the charts in protecting your enterprise environment.

This is not just a baseless opinion; however, the facts are rooted in actual test results from the annual AV-Comparative EPR Test Report published in October 2022. Not only did Secure Endpoint knock it out of the park in enterprise protection; but Cisco Secure Endpoint obtained the lowest total cost of ownership (TCO) per agent at $587 over 5 years. No one else was remotely close in this area. More to come on that later.

If you are not familiar with the “AV-Comparatives Endpoint Prevention and Response Test is the most comprehensive test of EPR products ever performed. The 10 products in the test were subjected to 50 separate targeted attack scenarios, which used a variety of different techniques.”

These results are from an industry-respected third-party organization that assesses antivirus software and has just confirmed what we know and believe here at Cisco, which is our Secure Endpoint product is the industry’s best of the best.

Leader of the pack

Look for yourself at where we landed. That’s right, Cisco Secure Endpoint smashed this test, we are almost off the quadrant as one of the “Strategic Leaders”.

We ended up here for a combination of reasons, with the top being our efficacy in protecting our customers’ environments in this real-world test that emulates multi-stage attacks similar to MITRE’s ATT&CK evaluations which are conducted as part of this process (click here for an overview of MITRE ATT&CK techniques). Out of all the 50 scenarios tested, Secure Endpoint was the only product that STOPPED 100% of targeted threats toward enterprise users, which prevented further infiltration into the organization.

Lowest Total Cost of Ownership

In addition, this test not only assesses the efficacy of endpoint security products but also analyzes their cost-effectiveness. Following up on my earlier remarks about achieving the lowest cost of ownership, the graph below displays how we stacked up against other industry players in this space including several well-known vendors that chose not to display their names due to poor results.

These results provide a meaningful proof point that Cisco Secure Endpoint is perfectly positioned to secure the enterprise as well as secure the future of hybrid workers.

Enriched with built-in Extended Detection and Response (XDR) capabilities, Cisco Secure Endpoint has allowed our customers to maintain resiliency when faced with outside threats.

As we embark on securing “what’s next” by staying ahead of unforeseen cyber threats of tomorrow, Cisco Secure Endpoint integration with the complete Cisco Secure Solutions portfolio allows you to move forward with the peace of mind that if it’s connected, we can and will protect it.

Secure Endpoint live instant demo

Now that you have seen how effective Secure Endpoint is with live real-world testing, try it for yourself with one of our live instant demos. Click here to access instructions on how to download and install your demo account for a test drive.

Click here to see what analysts, customers, and third-party testing organizations have to say about Cisco Secure Endpoint Security efficacy, easy implementation and overall low total cost of ownership for their organization —and stay ahead of threats.


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Cisco Secure Workload: Policy-as-Code Is a Win-Win for Everyone

By Brijeshkumar Shah

The last few years have proved to be a catalyst for digital transformation for many of our enterprise customers. Application modernization and adopting multicloud are the foundational building blocks for digitizing business. Customers employ CI/CD (continuous integration, continuous delivery) to modernize their applications, building them on a cloud infrastructure. This evolution has given rise to new application security challenges in terms of speed, scale, as well as new and unfamiliar control points – not to mention siloed organizations and tools.

To address these security challenges, Cisco Secure Workload delivers zero trust microsegmentation in an infrastructure, location, and form factor agnostic way. It safeguards application workloads, wherever they live across the hybrid and multicloud environment. The recent release of Secure Workload 3.7 introduces “policy as code” support – delivering security at the speed of DevOps. It enables Secure Workload to be integrated with the customer’s choice of CI/CD toolchains, such as Jenkins or GitLab, and ingest the application security policy during the build phase of the application. Secure Workload then renders the policies onto the relevant workloads when the application goes live.

As the graphic below illustrates, Secure Workload ingests policies using Terraform or Ansible, which are widely adopted tools used by the DevOps team to automate infrastructure related tasks. Secure Workload integrates with the CI/CD toolchains using a YAML (.yml) manifest to ingest the policy. It then programs the same policies to the relevant enforcement point to achieve least privilege access for the newly built or upgraded application.

 

Secure Workload Policy as Code example

 

Policy as code helps customers automate policy deployment at the speed and scale of modern applications. It also simplifies collaboration between DevOps/DevSecOps and NetSec teams. The policies are written in the application language and give appropriate controls to developers to write their requirements into the application while the NetSec team ensures full compliance to the infosec policies dictated by the CISO organization.

In summary, Secure Workload removes the barriers to achieving automated application deployment across highly distributed multicloud environments, without compromising security, compliance, or user experience. The result – stronger security, faster application deployment, and more efficient collaboration.

For more information on policy as code, contact your Cisco Account Team or Partner Account Manager.


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Secure Your Hybrid Workforce Using These SOC Best Practices

By Pat Correia

Hybrid Workforce is here to stay

Just a few years ago when the topic of supporting offsite workers arose, some of the key conversation topics were related to purchase, logistics, deployment, maintenance and similar issues. The discussions back then were more like “special cases” vs. today’s environment where supporting workers offsite (now known as the hybrid workforce) has become a critical mainstream topic.

Figure 1: Security challenges in supporting the hybrid workforce

Now with the bulk of many organization’s workers off-premise, the topic of security and the ability of a security vendor to help support an organization’s hybrid workers has risen to the top of the selection criteria.  In a soon to be released Cisco endpoint survey, it’s not surprising that the ability of a security vendor to make supporting the hybrid workforce easier and more efficient was the key motivating factor when organizations choose security solutions.

Figure 2: Results from recent Cisco Survey

Best Practices complement your security tools

Today, when prospects and existing customers look at Cisco’s ability to support hybrid workers with our advanced security solution set and open platform, it’s quite clear that we can deliver on that promise. But, yes, good tools make it easier and more efficient, but the reality is that running a SOC or any security group, large or small, still takes a lot of work. Most organizations not only rely on advanced security tools but utilize a set of best practices to provide clarity of roles, efficiency of operation, and for the more prepared, have tested these best practices to prove to themselves that they are prepared for what’s next.

Give this a listen!

Knowing that not all organizations have this degree of security maturity and preparedness, we gathered a couple of subject matter experts together to discuss 5 areas of time-tested best practices that, besides the advanced tools offered by Cisco and others, can help your SOC (or small security team) yield actionable insights and guide you faster, and with more confidence, toward the outcomes you want.

In this webinar you will hear practical advice from Cisco technical marketing and a representative from our award winning Talos Threat Intelligence group, the same group who have created and are maintaining breach defense in partnership with Fortune 500 Security Operating Centers (SOC) around the globe.

Figure 3: Webinar Speakers

You can expect to hear our 5 Best Practices recommendations on the following topics;

  1. Establishing Consistency – know your roles and responsibilities without hesitation.
  2. Incident Response Plan – document it, share it and test it with your stakeholders.
  3. Threat Hunting – find out what you don’t know and minimize the threat.
  4. Retro Learning – learn from the past and be better prepared.
  5. Unifying stakeholders – don’t go it alone.

Access this On-Demand Webinar now!

Check out our webinar to find out how you can become more security resilient and be better prepared for what’s next.


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There’s no better time for zero trust

By Neville Letzerich

Security resilience requires strong, user-friendly defenses

The concept of zero trust is not a new one, and some may even argue that the term is overused. In reality, however, its criticality is growing with each passing day. Why? Because many of today’s attacks begin with the user. According to Verizon’s Data Breach Investigations Report, 82% of breaches involve the human element — whether it’s stolen credentials, phishing, misuse or error.

Additionally, today’s businesses are hyper-connected, meaning that — in addition to your employees — customers, partners and suppliers are all part of your ecosystem. Couple that with hybrid work, IoT, the move to the cloud, and more emboldened attackers, and organizational risk increases exponentially.

Adopting a zero trust model can dramatically reduce this risk by eliminating implicit trust. It has become so crucial, in fact, that several governments including the U.S., UK and Australia have released mandates and guidance for how organizations should deploy zero trust to improve national security.

However, because zero trust is more of a concept than a technology, and so many vendors use the term, organizations struggle with the best way to implement it. At Cisco, we believe you should take a holistic approach to zero trust, starting with what you have and adding on as you identify gaps in your defenses. And while layers of protection are necessary for powerful security, so is ease of use.

Strengthen security resilience with zero trust

Zero trust plays a major role in building security resilience, or the ability to withstand unpredictable threats or changes and emerge stronger. Through zero trust, the identity and security posture of users, devices and applications are continuously checked and verified to prevent network intrusions — and to also limit impact if an unauthorized entity does gain access.

Organizations with high zero trust maturity are twice as likely to achieve business resilience.
– Cisco’s Guide to Zero Trust Maturity

Eliminating trust, however, doesn’t really conjure up images of user-friendly technology. No matter how necessary they are for the business, employees are unlikely to embrace security measures that make their jobs more cumbersome and time-consuming. Instead, they want fast, consistent access to any application no matter where they are or which device they are using.

That’s why Cisco is taking a different approach to zero trust — one that removes friction for the user. For example, with Cisco Secure Access by Duo, organizations can provide those connecting to their network with several quick, easy authentication options. This way, they can put in place multi-factor authentication (MFA) that frustrates attackers, not users.

Enable seamless, secure access

Cisco Secure Access by Duo is a key pillar of zero trust security, providing industry-leading features for secure access, authentication and device monitoring. Duo is customizable, straightforward to use, and simple to set up. It enables the use of modern authentication methods including biometrics, passwordless and single sign-on (SSO) to help organizations advance zero trust without sacrificing user experience. Duo also provides the flexibility organizations need to enable secure remote access with or without a VPN connection.

During Cisco’s own roll-out of Duo to over 100,000 people, less than 1% of users contacted the help desk for assistance. On an annual basis, Duo is saving Cisco $3.4 million in employee productivity and $500,000 in IT help desk support costs. Furthermore, 86,000 potential compromises are averted by Duo each month.

Protect your hybrid work environment

La-Z-Boy, one of the world’s leading residential furniture producers, also wanted to defend its employees against cybersecurity breaches through MFA and zero trust. It needed a data security solution that worked agnostically, could grow with the company, and that was easy to roll out and implement.

“When COVID first hit and people were sent home to work remotely, we started seeing more hacking activity…” said Craig Vincent, director of IT infrastructure and operations at La-Z-Boy. “We were looking for opportunities to secure our environment with a second factor…. We knew that even post-pandemic we would need a hybrid solution.”

“It was very quick and easy to see where Duo fit into our environment quite well, and worked with any application or legacy app, while deploying quickly.” – Craig Vincent, Director of IT Infrastructure and Operations, La-Z-Boy

Today, Duo helps La-Z-Boy maintain a zero trust framework, stay compliant, and get clear visibility into what is connecting to its network and VPN. Zero trust helps La-Z-Boy secure its organization against threats such as phishing, stolen credentials and out-of-date devices that may be vulnerable to known exploits and malware.

Build a comprehensive zero trust framework

As mentioned, zero trust is a framework, not a single product or technology. For zero trust to be truly effective, it must do four things:

  1. Establish trust for users, devices and applications trying to access an environment
  2. Enforce trust-based access based on the principle of least privilege, only granting access to applications and data that users/devices explicitly need
  3. Continuously verify trust to detect any change in risk even after initial access is granted
  4. Respond to changes in trust by investigating and orchestrating response to potential incidents

Many technology companies may offer a single component of zero trust, or one aspect of protection, but Cisco’s robust networking and security expertise enables us to provide a holistic zero trust solution. Not only can we support all the steps above, but we can do so across your whole IT ecosystem.

Modern organizations are operating multi-environment ecosystems that include a mix of on-premises and cloud technologies from various vendors. Zero trust solutions should be able to protect across all this infrastructure, no matter which providers are in use. Protections should also extend from the network and cloud to users, devices, applications and data. With Cisco’s extensive security portfolio, operating on multiple clouds and platforms, zero trust controls can be embedded at every layer.

Map your path to zero trust

Depending on where you are in your security journey, embedding zero trust at every layer of your infrastructure may sound like a lofty endeavor. That’s why we meet customers where they are on their path to zero trust. Whether your first priority is to meet regulatory requirements, secure hybrid work, protect the cloud, or something else, we have the expertise to help you get started. We provide clear guidance and technologies for zero trust security mapped to established frameworks from organizations like CISA and NIST.

Much of our Cisco Secure portfolio can be used to build a successful zero trust framework, but some examples of what we offer include:

  • Frictionless, secure access for users, devices and applications through Cisco Duo
  • Flexible cloud security through Cisco Umbrella
  • Protected network connections and segmentation with the Cisco Identity Services Engine (ISE)
  • Application visibility and micro-segmentation via Cisco Secure Workload
  • Expert guidance from the Cisco Zero Trust Strategy Service

All of our technologies and services are backed by the unparalleled intelligence of Cisco Talos — so you always have up-to-date protection as you build your zero trust architecture. Additionally, our open, integrated security platform — Cisco SecureX — makes it simple to expand and scale your security controls, knowing they will work with your other technologies for more unified defenses.

Enhance security with an integrated platform

As Italy’s leading insurance company, Sara Assicurazioni requires complete visibility into its extended network, including a multi-cloud architecture and hybrid workforce. The company has adopted a comprehensive zero trust strategy through Cisco Secure.

“Our decentralized users, endpoints, and cloud-based servers and workloads contribute to a large attack surface,” says Paolo Perrucci, director of information and communications technology architectures and operations at Sara Assicurazioni. “With Cisco, we have the right level of visibility on this surface.”

“The main reason we chose Cisco is that only Cisco can offer a global security solution rather than covering one specific point…. Thanks to Cisco Secure, I’m quite confident that our security posture is now many times better because we are leveraging more scalable, state-of-the-art security solutions.” – Luigi Vassallo, COO & CTO, Sara Assicurazioni

Expand your zero trust strategy

To learn more, explore our zero trust page and sign up for one of our free zero trust workshops.

Watch video: How Cisco implemented zero trust in just five months 


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Cisco Secure 5 Best Practices Security Analysts Can Use to Secure Their Hybrid Workforce.

By Truman Coburn

The hybrid work environment has been around for years, albeit not common but it existed. I can recall my first job where I was able to split my time working in an office and working from my makeshift home office. This was many moons ago as I will call it… pre-COVID-19. 

Job seekers are certainly looking to have the flexibility of working from anywhere at any time – preferably in an environment of their choosing. Even though a hybrid workforce will provide people with the option to work from anywhere, those remote locations are sometimes in unsecured locations. Organizations must now reimagine a workforce that will need access to your internal collaboration tools along with access to your network from both on- and off-premises. 

Leading the way in a hybrid environment 

Cisco, a leader in equipping organizations with the right products for a hybrid workforce, provides the tools & services to protect your organization from bad threat actors. 

With pervasive ransomware attacks, malware attacks, and email attacks, you must be ready and have not only a security solution but also a security analyst team ready to respond when an attack happens. 

Securing access to your endpoint must be a top priority and your security analysts must be agile and have the right telemetry to provide around-the-clock monitoring and the ability to quickly respond to threats. 

Security Analyst don’t just monitor they respond to threats  

Cisco Secure Endpoint provides you with the visibility and ability to respond to threats by blocking them before they compromise your network. Combined with global, proactive threat hunting, leading-edge forensic/analytic capabilities, and reduced leading Mean Time To Detection (MTTD)/Mean Time To Resolution (MTTR) across the supply chain that no other vendor can parallel; why would you partner with any other company to secure and scale your unique hybrid workforce or workplace clients? 

Click here to listen to my fireside chat on how we at Cisco would define 5 Best Practices Security Analysts Can Use to Secure Their Hybrid Workforce:

I am joined by Cisco Talos global Senior Threat Defense and Response Analyst, William (Bill) Largent who has over 20 plus years of infosec experience, specifically in network intrusion detection, traffic analysis, and signature/rule writing. 

I will also be speaking with Eric Howard, Cisco Secure Technical Marketing Engineer Leader for the Security Platform and Response Group. Eric is a seasoned team leader in both Information Security Sales, and Product Management. He has built and led teams that apply deep technical understanding to business needs, initiatives, and strategies in both start-ups and established companies. 

This is a conversation you do not want to skip! There were a lot of gems shared by these gentlemen that will get you where you need to be as a Security Analyst. 


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Scale security on the fly in Microsoft Azure Cloud with Cisco Secure Firewall

By Christopher Consolo

The release of Microsoft Azure Gateway Load Balancer is great news for customers, empowering them to simply and easily add Cisco Secure Firewall capabilities to their Azure cloud infrastructure. By combining Azure Gateway Load Balancer with Cisco Secure Firewall, organizations can quickly scale their firewall presence across their Azure cloud environment, providing protection for infrastructure and applications exactly where and when they need it.

With applications and resources hyper-distributed across hybrid-multicloud environments, organizations require agile security to protect their environment at each control point. This integration empowers organizations to dynamically insert Cisco’s security controls and threat defense capabilities in their Azure environment, removing the clunkiness of provisioning and deploying firewalls, as well as the need to rearchitect the network. Organizations can now enjoy highly available threat defense on the fly, protecting their infrastructure and applications from known and unknown threats.

Securing cloud infrastructure while reducing complexity

Combining Secure Firewall with Azure Gateway Load Balancer offers a significant reduction in operational complexity when securing cloud infrastructure. Azure Gateway Load Balancer provides bump-in-the-wire functionality ensuring Internet traffic to and from an Azure VM, such as an application server, is inspected by Secure Firewall without requiring any routing changes. It also offers a single entry and exit point at the firewall and allows organizations to maintain visibility of the source IP address. Complementing these features, organizations can take advantage of our new Cloud-delivered Firewall Management Center. It enables organizations to manage their firewall presence 100% through the cloud with the same look and feel as they’ve grown accustomed to with Firewall Management Center. With Cloud-delivered Firewall Management Center, organizations will achieve faster time-to-value with simplified firewall deployment and management.

Benefits of Cisco Secure Firewall with Azure Gateway Load Balancer

  • Secure Firewall lowers cloud spend with Azure Autoscale support – Quickly and seamlessly scale virtual firewall instances up and down to meet demand.
  • De-risk projects by removing the need to re-architect – Effortlessly insert Cisco Secure Firewall in existing network architecture without changes, providing win/win outcomes across NetOps, SecOps, DevOps, and application teams.
  • Firewalling where and when you need it – Easily deploy and remove Secure Firewall and its associated security services, including IPS, application visibility and control, malware defense, and URL filtering as needed in the network path.
  • Greater visibility for your applications – Simplify enablement of your intended infrastructure by eliminating the need for source and destination NAT. No additional configuration needed.
  • Health monitoring – Ensure efficient routing with continuous health-checks that monitor your virtual firewall instances via Gateway Load Balancer.
  • Included Cisco Talos® Threat Intelligence – Protect your organization from new and emerging threats with rapid and actionable threat intelligence updated hourly from one of the world’s largest commercial threat intelligence teams, Cisco Talos.

Use-cases

Inbound

Figure 1: Inbound traffic flow to Cisco Secure Firewall with Azure Gateway Load Balancer

 

Figure 2: Inbound traffic flow to a stand-alone server

Outbound

Figure 3: Internal server is behind a public load balancer. Flow is the same as outbound flow for an inbound connection.

 

Figure 4: Outbound flow where the internal server is a stand-alone server.

Azure Gateway Load Balancer support for Cisco Secure Firewall Threat Defense Virtual is available now. To learn more about how Cisco Secure Firewall drives security resilience across your hybrid-multicloud environment, see the additional resources below and reach out to your Cisco sales representative.

Additional Resources

Microsoft Blog: Gateway Load Balancer now generally available in all regions

Azure Marketplace listing: Cisco Secure Firewall Threat Defense Virtual

Cisco Secure Firewall

Cisco Secure Firewall At-a-Glance

Cisco Secure Firewall for Public Cloud

Cloud-delivered Firewall Management Center


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Cisco and AWS: Securing your resilience in a hybrid cloud world

By Justin Buchanan

We’ve all seen the headlines like “race to the cloud” and “cloud-first.” These articles and publications are true, more and more customers have adopted cloud strategies, but there is more to the story. In these customer conversations, cloud security and network security are often discussed in unison. Why is that?   

Customers desire freedom and choice when establishing resilience across every aspect of their business, and this requires both the ability to remain agile, and maintain control of their organization’s most sensitive data. Neither of these can be achieved with just the cloud, or private data center. Organizations are investing in hybrid-multicloud environments to ensure continuity amidst unpredictable threats and change. But these investments will fall short if they do not include security. 

The modern enterprise relies on the network more than ever before, and it looks a lot different than it did 10 years ago. According to our 2022 Global Hybrid Cloud Trends Report, where 2,500 global IT leaders were interviewed across 13 countries, 82% said they have adopted hybrid cloud architectures, and 47% of organizations use between two and three public IaaS clouds1. As organizations have grown more dependent on the network, the more complex it has become, making firewall capabilities the most critical element of the hybrid-multicloud security strategy. And Cisco has a firewall capability for every strategy, protecting your most important assets no matter where you choose to deploy it.  

In May, Cisco brought offerings from Umbrella and Duo to the AWS Marketplace. Today at AWS Re:Inforce, Cisco Secure announced furthering its partnership with AWS to drive innovation with the goal to protect the integrity of your business. Validating our commitment to hybrid-multicloud security, Cisco has received the AWS Security Competency Partner designation for Network and Infrastructure Security. This designation was awarded through our demonstrated success with customer engagements and rigorous technical validations of Secure Firewall.  

Now demoing at AWS Re:Inforce: Cisco Secure Firewall as-a-service on AWS 

This week at AWS Re:Inforce, customers can stop by our booth to see our latest firewall innovation. Cisco Secure Firewall as-a-service on AWS builds on our existing portfolio, giving organizations greater flexibility and choice with a radically simplified SaaS offering. If organizations are truly to embrace security across the multi-environment IT, customers demand simplification without compromising security. With a SaaS-based form factor, management and deployment complexity is reduced. NetOps and SecOps teams will enjoy a simplified security architecture where provisioning of firewalls and control plane infrastructure are managed by Cisco. This will save your teams time by removing the need to rearchitect the network, freeing them to focus on protecting the integrity of your business. 

As organizations continue to move more of their day-to-day operations to the cloud, Cisco and AWS are committed to ensure that security is an integral part of their hybrid multi-cloud strategy. We all have seen the impact of security that is bolted on, or too complex. If we are truly to find that balance between agility and protection to ensure business continuity, we need to ensure the same protections we have in the private infrastructure are easily consumed no matter where your data may roam.  

Additional Resources 

Product page: Cisco Secure Firewall for Public Cloud 

Partner page: Cisco solutions on AWS 

Blog: Securing cloud is everyone’s responsibility 

Quick Start page: Cisco solutions on AWS 

Amazon Partner Network page: Cisco solutions on AWS  

2022 Global Hybrid Cloud Trends Report 

References 

1 Henderson, N. & Hanselman, E. (2022, May 25). 2022 Global Hybrid Cloud Trends Report. 

S&P Global Market Intelligence, commissioned by Cisco Systems. 

https://www.cisco.com/c/en/us/solutions/hybrid-cloud/2022-trends.html


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