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S3 Ep145: Bugs With Impressive Names!

By Paul Ducklin
Fascinating fun (with a serious and educational side) - listen now! Full transcript available inside.

How to hack an unpatched Exchange server with rogue PowerShell code

By Paul Ducklin
Review your servers, your patches and your authentication policies - there's a proof-of-concept out

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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Browser Forensics: Google Chrome

By Nitesh Malviya

Introduction Browsers have become an inherent part of our virtual life and we all make use of browsers for surfing the internet in some or the other way. Also, browsers can be used not only for surfing, we can make use of browsers for navigating through the file system of the OS. You might have […]

The post Browser Forensics: Google Chrome appeared first on Infosec Resources.


Browser Forensics: Google Chrome was first posted on September 30, 2020 at 1:06 pm.
©2017 "InfoSec Resources". Use of this feed is for personal non-commercial use only. If you are not reading this article in your feed reader, then the site is guilty of copyright infringement. Please contact me at darren.dalasta@infosecinstitute.com

Browser Forensics: Firefox

By Nitesh Malviya

Introduction Browsers have become an inherent part of our virtual life and we all make use of browsers for surfing the internet in some or the other way. Also, browsers can be used not only for surfing, we can make use of browsers for navigating through the file system of the OS. You might have […]

The post Browser Forensics: Firefox appeared first on Infosec Resources.


Browser Forensics: Firefox was first posted on September 30, 2020 at 12:54 pm.
©2017 "InfoSec Resources". Use of this feed is for personal non-commercial use only. If you are not reading this article in your feed reader, then the site is guilty of copyright infringement. Please contact me at darren.dalasta@infosecinstitute.com

Browser Forensics: IE 11

By Nitesh Malviya

Introduction Browsers have become an inherent part of our virtual life and we all make use of browsers for surfing the internet in some or the other way. Also, browsers can be used not only for surfing, we can make use of browsers for navigating through the file system of the OS. You might have […]

The post Browser Forensics: IE 11 appeared first on Infosec Resources.


Browser Forensics: IE 11 was first posted on September 30, 2020 at 12:19 pm.
©2017 "InfoSec Resources". Use of this feed is for personal non-commercial use only. If you are not reading this article in your feed reader, then the site is guilty of copyright infringement. Please contact me at darren.dalasta@infosecinstitute.com

Format String Vulnerabilities: Use and Definitions

By Srinivas

Introduction In the previous article, we understood how print functions like printf work. This article provides further definition of Format String vulnerabilities. We will begin by discussing how Format Strings can be used in an unusual way, which is a starting point to understanding Format String exploits. Next, we will understand what kind of mistakes […]

The post Format String Vulnerabilities: Use and Definitions appeared first on Infosec Resources.


Format String Vulnerabilities: Use and Definitions was first posted on September 30, 2020 at 10:29 am.
©2017 "InfoSec Resources". Use of this feed is for personal non-commercial use only. If you are not reading this article in your feed reader, then the site is guilty of copyright infringement. Please contact me at darren.dalasta@infosecinstitute.com

IoT Security Fundamentals: IoT vs OT (Operational Technology)

By Dimitar Kostadinov

Introduction: Knowing the Notions  Industrial Internet of Things (IIoT) incorporates technologies such as machine learning, machine-to-machine (M2M) communication, sensor data, Big Data, etc. This article will focus predominantly on the consumer Internet of Things (IoT) and how it relates to Operational Technology (OT). Operational Technology (OT) is a term that defines a specific category of […]

The post IoT Security Fundamentals: IoT vs OT (Operational Technology) appeared first on Infosec Resources.


IoT Security Fundamentals: IoT vs OT (Operational Technology) was first posted on September 29, 2020 at 1:59 pm.
©2017 "InfoSec Resources". Use of this feed is for personal non-commercial use only. If you are not reading this article in your feed reader, then the site is guilty of copyright infringement. Please contact me at darren.dalasta@infosecinstitute.com

From Bugs to Zoombombing: How to Stay Safe in Online Meetings

By Trend Micro

The COVID-19 pandemic, along with social distancing, has done many things to alter our lives. But in one respect it has merely accelerated a process begun many years ago. We were all spending more and more time online before the virus struck. But now, forced to work, study and socialize at home, the online digital world has become absolutely essential to our communications — and video conferencing apps have become our “face-to-face” window on the world.

The problem is that as users flock to these services, the bad guys are also lying in wait — to disrupt or eavesdrop on our chats, spread malware, and steal our data. Zoom’s problems have perhaps been the most widely publicized, because of its quickly rising popularity, but it’s not the only platform whose users have been potentially at risk. Cisco’s WebEx and Microsoft Teams have also had issues; while other platforms, such as Houseparty, are intrinsically less secure (almost by design for their target audience, as the name suggests).

Let’s take a look at some of the key threats out there and how you can stay safe while video conferencing.

What are the risks?

Depending on the platform (designed for work or play) and the use case (business or personal), there are various opportunities for the online attacker to join and disrupt or eavesdrop on video conferencing calls. The latter is especially dangerous if you’re discussing sensitive business information.

Malicious hackers may also look to deliver malware via chats or shared files to take control of your computer, or to steal your passwords and sensitive personal and financial information. In a business context, they could even try to hijack your video conferencing account to impersonate you, in a bid to steal info from or defraud your colleagues or company.

The bad guys may also be able to take advantage of the fact that your home PCs and devices are less well-secured than those at work or school—and that you may be more distracted at home and less alert to potential threats.

To accomplish their goals, malicious hackers can leverage various techniques at their disposal. These can include:

  • Exploiting vulnerabilities in the video conferencing software, particularly when it hasn’t been updated to fend off the latest threats
  • Stealing your log-ins/meeting ID via malware or phishing attacks; or by obtaining a meeting ID or password shared on social media
  • Hiding malware in legitimate-looking video apps, links and files
  • Theft of sensitive data from meeting recordings stored locally or in the cloud.

Zooming in on trouble

Zoom has in many ways become the victim of its own success. With daily meeting participants soaring from 10 million in December last year to 200 million by March 2020, all eyes have been focused on the platform. Unfortunately, that also includes hackers. Zoom has been hit by a number of security and privacy issues over the past several months, which include “Zoombombing” (meetings disrupted by uninvited guests), misleading encryption claims, a waiting room vulnerability, credential theft and data collection leaks, and fake Zoom installers. To be fair to Zoom, it has responded quickly to these issues, realigning its development priorities to fix the security and privacy issues discovered by its intensive use.

And Zoom isn’t alone. Earlier in the year, Cisco Systems had its own problem with WebEx, its widely-used enterprise video conferencing system, when it discovered a flaw in the platform that could allow a remote, unauthenticated attacker to enter a password-protected video conferencing meeting. All an attacker needed was the meeting ID and a WebEx mobile app for iOS or Android, and they could have barged in on a meeting, no authentication necessary. Cisco quickly moved to fix the high-severity vulnerability, but other flaws (also now fixed) have cropped up in WebEx’s history, including one that could enable a remote attacker to send a forged request to the system’s server.

More recently, Microsoft Teams joined the ranks of leading business videoconferencing platforms with potentially deadly vulnerabilities. On April 27 it surfaced that for at least three weeks (from the end of February till the middle of March), a malicious GIF could have stolen user data from Teams accounts, possibly across an entire company. The vulnerability was patched on April 20—but it’s a reminder to potential video conferencing users that even leading systems such as Zoom, WebEx, and Teams aren’t fool-proof and require periodic vulnerability and security fixes to keep them safe and secure. This is compounded during the COVID-19 pandemic when workers are working from home and connecting to their company’s network and systems via possibly unsecure home networks and devices.

Video conferencing alternatives

So how do you choose the best, most secure, video conferencing software for your work-at-home needs? There are many solutions on the market today. In fact, the choice can be dizzying. Some simply enable video or audio meetings/calls, while others also allow for sharing and saving of documents and notes. Some are only appropriate for one-on-one connections or small groups, while others can scale to thousands.

In short, you’ll need to choose the video conferencing solution most appropriate to your needs, while checking if it meets a minimum set of security standards for working at home. This set of criteria should include end-to-end encryption, automatic and frequent security updates, the use of auto-generated meeting IDs and strong access controls, a program for managing vulnerabilities, and last but not least, good privacy practices by the company.

Some video conferencing options alongside Zoom, WebEx, and Teams include:

  • Signal which is end-to-end encrypted and highly secure, but only supports one-to-one calls.
  • FaceTime, Apple’s video chat tool, is easy-to-use and end-to-end encrypted, but is only available to Mac and iOS users.
  • Jitsi Meet is a free, open-source video conferencing app that works on Android, iOS, and desktop devices, with no limit on participants beyond your bandwidth.
  • Skype Meet Now is Microsoft’s free, popular conferencing tool for up to 50 users that can be used without an account, (in contrast to Teams, which is a paid, more business-focused platform for Office 365 users).
  • Google Duo is a free option for video calls only, while the firm’s Hangouts platform can also be used for messaging. Hangouts Meet is a more business-focused paid version.
  • Doxy.me is a well-known telemedicine platform used by doctors and therapists that works through your browser—so it’s up to you to keep your browser updated and to ensure the appropriate security and privacy settings are in place. Secure medical consultation with your healthcare provider is of particular concern during the shelter- and work-from-home quarantine.

How do I stay safe?

Whatever video conferencing platform you use, it’s important to bear in mind that cyber-criminals will always be looking to take advantage of any security gaps they can find — in the tool itself or your use of it. So how do you secure your video conferencing apps? Some tips listed here are Zoom-specific, but consider their equivalents in other platforms as general best-practice tips. Depending on the use case, you might choose to not enable some of the options here.

  • Check for end-to-end encryption before getting onboard with the app. This includes encryption for data at rest.
  • Ensure that you generate one-off meeting IDs and passwords automatically for recurring meetings (Zoom).
  • Don’t share any meeting IDs online.
  • Use the “waiting room” feature in Zoom (now fixed), so the host can only allow attendees from a pre-assigned list.
  • Lock the meeting once it’s started to stop anyone new from joining.
  • Allow the host to put attendees on hold, temporarily removing them from a meeting if necessary.
  • Play a sound when someone enters or leaves the room.
  • Set screen-sharing to “host only” to stop uninvited guests from sharing disruptive content.
  • Disable “file transfers” to block possible malware.
  • Keep your systems patched and up-to-date so there are no bugs that hackers can target.
  • Only download conferencing apps from official iOS/Android stores and manufacturer websites.
  • Never click on links or open attachments in unsolicited mail.
  • Check the settings in your video conferencing account. Switch off camera access if you don’t want to appear on-screen.
  • Use a password manager for video conferencing app log-ins.
  • Enhance passwords with two-factor authentication (2FA) or Single-Sign-On (SSO) to protect access, if available.
  • Install anti-malware software from a reputable vendor on all devices and PCs. And implement a network security solution if you can.

How Trend Micro can help

Fortunately, Trend Micro has a range of capabilities that can support your efforts to stay safe while using video conferencing services.

Trend Micro Home Network Security (HNS) protects every device in your home connected to the internet. That means it will protect you from malicious links and attachments in phishing emails spoofed to appear as if sent from video conferencing firms, as well as from those sent by hackers that may have covertly entered a meeting. Its Vulnerability Check can identify any vulnerabilities in your home devices and PCs, including work laptops, and its Remote Access Protection can reduce the risk of tech support scams and unwanted remote connections to your device. Finally, it allows parents to control their kids’ usage of video conferencing applications, to limit their exposure.

Trend Micro Security also offers protection against email, file, and web threats on your devices. Note too, that Password Manager is automatically installed with Maximum Security to help users create unique, strong passwords for each application/website they use, including video conferencing sites.

Finally, Trend Micro WiFi Protection (multi-platform) / VPN Proxy One (Mac and iOS) offer VPN connections from your home to the internet, creating secure encrypted tunnels for traffic to flow down. The VPN apps work on both Wi-Fi and Ethernet connections. This could be useful for users concerned their video conferencing app isn’t end-to-end encrypted, or for those wishing to protect their identity and personal information when interacting on these apps.

The post From Bugs to Zoombombing: How to Stay Safe in Online Meetings appeared first on .

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