Critical Exchange Server Flaw (CVE-2024-21410) Under Active Exploitation

Microsoft on Wednesday acknowledged that a newly disclosed critical security flaw in Exchange Server has been actively exploited in the wild, a day after it released fixes for the vulnerability as part of its Patch Tuesday updates. Tracked as CVE-2024-21410 (CVSS score: 9.8), the issue has been described as a case of privilege escalation impacting the Exchange Server. "An attacker

Cybersecurity Tactics FinServ Institutions Can Bank On in 2024

The landscape of cybersecurity in financial services is undergoing a rapid transformation. Cybercriminals are exploiting advanced technologies and methodologies, making traditional security measures obsolete. The challenges are compounded for community banks that must safeguard sensitive financial data against the same level of sophisticated threats as larger institutions, but often with more

PikaBot Resurfaces with Streamlined Code and Deceptive Tactics

The threat actors behind the PikaBot malware have made significant changes to the malware in what has been described as a case of "devolution." "Although it appears to be in a new development cycle and testing phase, the developers have reduced the complexity of the code by removing advanced obfuscation techniques and changing the network communications," Zscaler ThreatLabz researcher Nikolaos

Alert: CISA Warns of Active 'Roundcube' Email Attacks - Patch Now

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday added a medium-severity security flaw impacting Roundcube email software to its Known Exploited Vulnerabilities (KEV) catalog, based on evidence of active exploitation. The issue, tracked as CVE-2023-43770 (CVSS score: 6.1), relates to a cross-site scripting (XSS) flaw that stems from the handling of

Rhysida Ransomware Cracked, Free Decryption Tool Released

Cybersecurity researchers have uncovered an "implementation vulnerability" that has made it possible to reconstruct encryption keys and decrypt data locked by Rhysida ransomware. The findings were published last week by a group of researchers from Kookmin University and the Korea Internet and Security Agency (KISA). "Through a comprehensive analysis of Rhysida Ransomware, we identified an

4 Ways Hackers use Social Engineering to Bypass MFA

When it comes to access security, one recommendation stands out above the rest: multi-factor authentication (MFA). With passwords alone being simple work for hackers, MFA provides an essential layer of protection against breaches. However, it's important to remember that MFA isn't foolproof. It can be bypassed, and it often is.  If a password is compromised, there are several options

Alert: New Stealthy "RustDoor" Backdoor Targeting Apple macOS Devices

Apple macOS users are the target of a new Rust-based backdoor that has been operating under the radar since November 2023. The backdoor, codenamed RustDoor by Bitdefender, has been found to impersonate an update for Microsoft Visual Studio and target both Intel and Arm architectures. The exact initial access pathway used to propagate the implant is currently not known, although

Hands-on Review: Myrror Security Code-Aware and Attack-Aware SCA

Introduction The modern software supply chain represents an ever-evolving threat landscape, with each package added to the manifest introducing new attack vectors. To meet industry requirements, organizations must maintain a fast-paced development process while staying up-to-date with the latest security patches. However, in practice, developers often face a large amount of security work

Wazuh in the Cloud Era: Navigating the Challenges of Cybersecurity

Cloud computing has innovated how organizations operate and manage IT operations, such as data storage, application deployment, networking, and overall resource management. The cloud offers scalability, adaptability, and accessibility, enabling businesses to achieve sustainable growth. However, adopting cloud technologies into your infrastructure presents various cybersecurity risks and

Warning: New Ivanti Auth Bypass Flaw Affects Connect Secure and ZTA Gateways

Ivanti has alerted customers of yet another high-severity security flaw in its Connect Secure, Policy Secure, and ZTA gateway devices that could allow attackers to bypass authentication. The issue, tracked as CVE-2024-22024, is rated 8.3 out of 10 on the CVSS scoring system. "An XML external entity or XXE vulnerability in the SAML component of Ivanti Connect Secure (9.x, 22.x), Ivanti

Stealthy Zardoor Backdoor Targets Saudi Islamic Charity Organization

An unnamed Islamic non-profit organization in Saudi Arabia has been targeted as part of a stealthy cyber espionage campaign designed to drop a previously undocumented backdoor called Zardoor. Cisco Talos, which discovered the activity in May 2023, said the campaign has likely persisted since at least March 2021, adding it has identified only one compromised target to date, although it's

Chinese Hackers Operate Undetected in U.S. Critical Infrastructure for Half a Decade

The U.S. government on Wednesday said the Chinese state-sponsored hacking group known as Volt Typhoon had been embedded into some critical infrastructure networks in the country for at least five years. Targets of the threat actor include communications, energy, transportation, and water and wastewater systems sectors in the U.S. and Guam. "Volt Typhoon's choice of targets and pattern

After FBI Takedown, KV-Botnet Operators Shift Tactics in Attempt to Bounce Back

The threat actors behind the KV-botnet made "behavioral changes" to the malicious network as U.S. law enforcement began issuing commands to neutralize the activity. KV-botnet is the name given to a network of compromised small office and home office (SOHO) routers and firewall devices across the world, with one specific cluster acting as a covert data transfer system for other Chinese

Critical Boot Loader Vulnerability in Shim Impacts Nearly All Linux Distros

The maintainers of shim have released version 15.8 to address six security flaws, including a critical bug that could pave the way for remote code execution under specific circumstances. Tracked as CVE-2023-40547 (CVSS score: 9.8), the vulnerability could be exploited to achieve a Secure Boot bypass. Bill Demirkapi of the Microsoft Security Response Center (MSRC) has been&

New Webinar: 5 Steps to vCISO Success for MSPs and MSSPs

2024 will be the year of the vCISO. An incredible 45% of MSPs and MSSPs are planning to start offering vCISO services in 2024. As an MSP/MSSP providing vCISO services, you own the organization’s cybersecurity infrastructure and strategy. But you also need to position yourself as a reliable decision-maker, navigating professional responsibilities, business needs and leadership

Critical JetBrains TeamCity On-Premises Flaw Exposes Servers to Takeover - Patch Now

JetBrains is alerting customers of a critical security flaw in its TeamCity On-Premises continuous integration and continuous deployment (CI/CD) software that could be exploited by threat actors to take over susceptible instances. The vulnerability, tracked as CVE-2024-23917, carries a CVSS rating of 9.8 out of 10, indicative of its severity. "The vulnerability may enable an unauthenticated

U.S. Imposes Visa Restrictions on those Involved in Illegal Spyware Surveillance

The U.S. State Department said it's implementing a new policy that imposes visa restrictions on individuals who are linked to the illegal use of commercial spyware to surveil civil society members. "The misuse of commercial spyware threatens privacy and freedoms of expression, peaceful assembly, and association," Secretary of State Antony Blinken said. "Such targeting has been

U.S. Sanctions 6 Iranian Officials for Critical Infrastructure Cyber Attacks

The U.S. Treasury Department's Office of Foreign Assets Control (OFAC) announced sanctions against six officials associated with the Iranian intelligence agency for attacking critical infrastructure entities in the U.S. and other countries. The officials include Hamid Reza Lashgarian, Mahdi Lashgarian, Hamid Homayunfal, Milad Mansuri, Mohammad Bagher Shirinkar, and Reza Mohammad Amin

Mastodon Vulnerability Allows Hackers to Hijack Any Decentralized Account

The decentralized social network Mastodon has disclosed a critical security flaw that enables malicious actors to impersonate and take over any account. "Due to insufficient origin validation in all Mastodon, attackers can impersonate and take over any remote account," the maintainers said in a terse advisory. The vulnerability, tracked as CVE-2024-23832, has a severity rating of 9.4 out of

AnyDesk Hacked: Popular Remote Desktop Software Mandates Password Reset

Remote desktop software maker AnyDesk disclosed on Friday that it suffered a cyber attack that led to a compromise of its production systems. The German company said the incident, which it discovered following a security audit, is not a ransomware attack and that it has notified relevant authorities. "We have revoked all security-related certificates and systems have been remediated or replaced

Cloudzy Elevates Cybersecurity: Integrating Insights from Recorded Future to Revolutionize Cloud Security

Cloudzy, a prominent cloud infrastructure provider, proudly announces a significant enhancement in its cybersecurity landscape. This breakthrough has been achieved through a recent consultation with Recorded Future, a leader in providing real-time threat intelligence and cybersecurity analytics. This initiative, coupled with an overhaul of Cloudzy's cybersecurity strategies, represents a major

Why the Right Metrics Matter When it Comes to Vulnerability Management

How’s your vulnerability management program doing? Is it effective? A success? Let’s be honest, without the right metrics or analytics, how can you tell how well you’re doing, progressing, or if you’re getting ROI? If you’re not measuring, how do you know it’s working? And even if you are measuring, faulty reporting or focusing on the wrong metrics can create blind spots and make it harder to

CISA Warns of Active Exploitation Apple iOS and macOS Vulnerability

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added a high-severity flaw impacting iOS, iPadOS, macOS, tvOS, and watchOS to its Known Exploited Vulnerabilities (KEV) catalog, based on evidence of active exploitation. The vulnerability, tracked as CVE-2022-48618 (CVSS score: 7.8), concerns a bug in the kernel component. "An attacker with

RunC Flaws Enable Container Escapes, Granting Attackers Host Access

Multiple security vulnerabilities have been disclosed in the runC command line tool that could be exploited by threat actors to escape the bounds of the container and stage follow-on attacks. The vulnerabilities, tracked as CVE-2024-21626, CVE-2024-23651, CVE-2024-23652, and CVE-2024-23653, have been collectively dubbed Leaky Vessels by cybersecurity vendor Snyk. "These container

Hackers Exploiting Ivanti VPN Flaws to Deploy KrustyLoader Malware

A pair of recently disclosed zero-day flaws in Ivanti Connect Secure (ICS) virtual private network (VPN) devices have been exploited to deliver a Rust-based payload called KrustyLoader that's used to drop the open-source Sliver adversary simulation tool. The security vulnerabilities, tracked as CVE-2023-46805 (CVSS score: 8.2) and CVE-2024-21887 (CVSS score: 9.1), could be abused

URGENT: Upgrade GitLab - Critical Workspace Creation Flaw Allows File Overwrite

GitLab once again released fixes to address a critical security flaw in its Community Edition (CE) and Enterprise Edition (EE) that could be exploited to write arbitrary files while creating a workspace. Tracked as CVE-2024-0402, the vulnerability has a CVSS score of 9.9 out of a maximum of 10. "An issue has been discovered in GitLab CE/EE affecting all versions from 16.0 prior to

Top Security Posture Vulnerabilities Revealed

Each New Year introduces a new set of challenges and opportunities for strengthening our cybersecurity posture. It's the nature of the field – the speed at which malicious actors carry out advanced persistent threats brings a constant, evolving battle for cyber resilience. The excitement in cybersecurity lies in this continuous adaptation and learning, always staying one step ahead of potential

Italian Data Protection Watchdog Accuses ChatGPT of Privacy Violations

Italy's data protection authority (DPA) has notified ChatGPT-maker OpenAI of supposedly violating privacy laws in the region. "The available evidence pointed to the existence of breaches of the provisions contained in the E.U. GDPR [General Data Protection Regulation]," the Garante per la protezione dei dati personali (aka the Garante) said in a statement on Monday. It also said it

Juniper Networks Releases Urgent Junos OS Updates for High-Severity Flaws

Juniper Networks has released out-of-band updates to address high-severity flaws in SRX Series and EX Series that could be exploited by a threat actor to take control of susceptible systems. The vulnerabilities, tracked as CVE-2024-21619 and CVE-2024-21620, are rooted in the J-Web component and impact all versions of Junos OS. Two other shortcomings, CVE-2023-36846 and CVE-2023-

Russian TrickBot Mastermind Gets 5-Year Prison Sentence for Cybercrime Spree

40-year-old Russian national Vladimir Dunaev has been sentenced to five years and four months in prison for his role in creating and distributing the TrickBot malware, the U.S. Department of Justice (DoJ) said. The development comes nearly two months after Dunaev pleaded guilty to committing computer fraud and identity theft and conspiracy to commit wire fraud and bank fraud. "

Critical Cisco Flaw Lets Hackers Remotely Take Over Unified Comms Systems

Cisco has released patches to address a critical security flaw impacting Unified Communications and Contact Center Solutions products that could permit an unauthenticated, remote attacker to execute arbitrary code on an affected device. Tracked as CVE-2024-20253 (CVSS score: 9.9), the issue stems from improper processing of user-provided data that a threat actor could abuse to send a

SystemBC Malware's C2 Server Analysis Exposes Payload Delivery Tricks

Cybersecurity researchers have shed light on the command-and-control (C2) server workings of a known malware family called SystemBC. "SystemBC can be purchased on underground marketplaces and is supplied in an archive containing the implant, a command-and-control (C2) server, and a web administration portal written in PHP," Kroll said in an analysis published last week. The risk

Critical Jenkins Vulnerability Exposes Servers to RCE Attacks - Patch ASAP!

The maintainers of the open-source continuous integration/continuous delivery and deployment (CI/CD) automation software Jenkins have resolved nine security flaws, including a critical bug that, if successfully exploited, could result in remote code execution (RCE). The issue, assigned the CVE identifier CVE-2024-23897, has been described as an arbitrary file read vulnerability through the

LODEINFO Fileless Malware Evolves with Anti-Analysis and Remote Code Tricks

Cybersecurity researchers have uncovered an updated version of a backdoor called LODEINFO that's distributed via spear-phishing attacks. The findings come from Japanese company ITOCHU Cyber & Intelligence, which said the malware "has been updated with new features, as well as changes to the anti-analysis (analysis avoidance) techniques." LODEINFO (versions 0.6.6 and 0.6.7

"Activator" Alert: MacOS Malware Hides in Cracked Apps, Targeting Crypto Wallets

Cracked software have been observed infecting Apple macOS users with a previously undocumented stealer malware capable of harvesting system information and cryptocurrency wallet data. Kaspersky, which identified the artifacts in the wild, said they are designed to target machines running macOS Ventura 13.6 and later, indicating the malware's ability to infect Macs on both Intel and

From Megabits to Terabits: Gcore Radar Warns of a New Era of DDoS Attacks

As we enter 2024, Gcore has released its latest Gcore Radar report, a twice-annual publication in which the company releases internal analytics to track DDoS attacks. Gcore’s broad, internationally distributed network of scrubbing centers allows them to follow attack trends over time. Read on to learn about DDoS attack trends for Q3–Q4 of 2023, and what they mean for developing a robust

~40,000 Attacks in 3 Days: Critical Confluence RCE Under Active Exploitation

Malicious actors have begun to actively exploit a recently disclosed critical security flaw impacting Atlassian Confluence Data Center and Confluence Server, within three days of public disclosure. Tracked as CVE-2023-22527 (CVSS score: 10.0), the vulnerability impacts out-of-date versions of the software, allowing unauthenticated attackers to achieve remote code execution on susceptible

MavenGate Attack Could Let Hackers Hijack Java and Android via Abandoned Libraries

Several public and popular libraries abandoned but still used in Java and Android applications have been found susceptible to a new software supply chain attack method called MavenGate. "Access to projects can be hijacked through domain name purchases and since most default build configurations are vulnerable, it would be difficult or even impossible to know whether an attack was being performed

Experts Warn of macOS Backdoor Hidden in Pirated Versions of Popular Software

Pirated applications targeting Apple macOS users have been observed containing a backdoor capable of granting attackers remote control to infected machines. "These applications are being hosted on Chinese pirating websites in order to gain victims," Jamf Threat Labs researchers Ferdous Saljooki and Jaron Bradley said. "Once detonated, the malware will download and execute multiple payloads

Preventing Data Loss: Backup and Recovery Strategies for Exchange Server Administrators

In the current digital landscape, data has emerged as a crucial asset for organizations, akin to currency. It’s the lifeblood of any organization in today's interconnected and digital world. Thus, safeguarding the data is of paramount importance. Its importance is magnified in on-premises Exchange Server environments where vital business communication and emails are stored and managed.  In

U.S. Cybersecurity Agency Warns of Actively Exploited Ivanti EPMM Vulnerability

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added a now-patched critical flaw impacting Ivanti Endpoint Manager Mobile (EPMM) and MobileIron Core to its Known Exploited Vulnerabilities (KEV) catalog, stating it's being actively exploited in the wild. The vulnerability in question is CVE-2023-35082 (CVSS score: 9.8), an authentication bypass

TensorFlow CI/CD Flaw Exposed Supply Chain to Poisoning Attacks

Continuous integration and continuous delivery (CI/CD) misconfigurations discovered in the open-source TensorFlow machine learning framework could have been exploited to orchestrate supply chain attacks. The misconfigurations could be abused by an attacker to "conduct a supply chain compromise of TensorFlow releases on GitHub and PyPi by compromising TensorFlow's build agents via

PixieFail UEFI Flaws Expose Millions of Computers to RCE, DoS, and Data Theft

Multiple security vulnerabilities have been disclosed in the TCP/IP network protocol stack of an open-source reference implementation of the Unified Extensible Firmware Interface (UEFI) specification used widely in modern computers. Collectively dubbed PixieFail by Quarkslab, the nine issues reside in the TianoCore EFI Development Kit II (EDK II) and could be exploited to

GitHub Rotates Keys After High-Severity Vulnerability Exposes Credentials

GitHub has revealed that it has rotated some keys in response to a security vulnerability that could be potentially exploited to gain access to credentials within a production container. The Microsoft-owned subsidiary said it was made aware of the problem on December 26, 2023, and that it addressed the issue the same day, in addition to rotating all potentially exposed credentials out of an

Alert: Over 178,000 SonicWall Firewalls Potentially Vulnerable to Exploits - Act Now

Over 178,000 SonicWall firewalls exposed over the internet are exploitable to at least one of the two security flaws that could be potentially exploited to cause a denial-of-service (DoS) condition and remote code execution (RCE). “The two issues are fundamentally the same but exploitable at different HTTP URI paths due to reuse of a vulnerable code pattern,” Jon Williams, a senior security

Case Study: The Cookie Privacy Monster in Big Global Retail

Explore how an advanced exposure management solution saved a major retail industry client from ending up on the naughty step due to a misconfiguration in its cookie management policy. This wasn’t anything malicious, but with modern web environments being so complex, mistakes can happen, and non-compliance fines can be just an oversight away.Download the full case study here. As a child,

Remcos RAT Spreading Through Adult Games in New Attack Wave

The remote access trojan (RAT) known as Remcos RAT has been found being propagated via webhards by disguising it as adult-themed games in South Korea. WebHard, short for web hard drive, is a popular online file storage system used to upload, download, and share files in the country. While webhards have been used in the past to deliver njRAT, UDP RAT, and DDoS botnet malware, the

Opera MyFlaw Bug Could Let Hackers Run ANY File on Your Mac or Windows

Cybersecurity researchers have disclosed a now-patched security flaw in the Opera web browser for Microsoft Windows and Apple macOS that could be exploited to execute any file on the underlying operating system. The remote code execution vulnerability has been codenamed MyFlaw by the Guardio Labs research team owing to the fact that it takes advantage of a feature called My Flow that

High-Severity Flaws Uncovered in Bosch Thermostats and Smart Nutrunners

Multiple security vulnerabilities have been disclosed in Bosch BCC100 thermostats and Rexroth NXA015S-36V-B smart nutrunners that, if successfully exploited, could allow attackers to execute arbitrary code on affected systems. Romanian cybersecurity firm Bitdefender, which discovered the flaw in Bosch BCC100 thermostats last August, said the issue could be weaponized by an attacker to

New Findings Challenge Attribution in Denmark's Energy Sector Cyberattacks

The cyber attacks targeting the energy sector in Denmark last year may not have had the involvement of the Russia-linked Sandworm hacking group, new findings from Forescout show. The intrusions, which targeted around 22 Danish energy organizations in May 2023, occurred in two distinct waves, one which exploited a security flaw in Zyxel firewall (CVE-2023-28771) and a

Critical RCE Vulnerability Uncovered in Juniper SRX Firewalls and EX Switches

Juniper Networks has released updates to fix a critical remote code execution (RCE) vulnerability in its SRX Series firewalls and EX Series switches. The issue, tracked as CVE-2024-21591, is rated 9.8 on the CVSS scoring system. “An out-of-bounds write vulnerability in J-Web of Juniper Networks Junos OS SRX Series and EX Series allows an unauthenticated, network-based attacker to cause a

Nation-State Actors Weaponize Ivanti VPN Zero-Days, Deploying 5 Malware Families

As many as five different malware families were deployed by suspected nation-state actors as part of post-exploitation activities leveraging two zero-day vulnerabilities in Ivanti Connect Secure (ICS) VPN appliances since early December 2023. "These families allow the threat actors to circumvent authentication and provide backdoor access to these devices," Mandiant said in an

Urgent: GitLab Releases Patch for Critical Vulnerabilities - Update ASAP

GitLab has released security updates to address two critical vulnerabilities, including one that could be exploited to take over accounts without requiring any user interaction. Tracked as CVE-2023-7028, the flaw has been awarded the maximum severity of 10.0 on the CVSS scoring system and could facilitate account takeover by sending password reset emails to an unverified email address. The

Cryptominers Targeting Misconfigured Apache Hadoop and Flink with Rootkit in New Attacks

Cybersecurity researchers have identified a new attack that exploits misconfigurations in Apache Hadoop and Flink to deploy cryptocurrency miners within targeted environments. "This attack is particularly intriguing due to the attacker's use of packers and rootkits to conceal the malware," Aqua security researchers Nitzan Yaakov and Assaf Morag said in an analysis published earlier

Act Now: CISA Flags Active Exploitation of Microsoft SharePoint Vulnerability

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a critical security vulnerability impacting Microsoft SharePoint Server to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation. The issue, tracked as CVE-2023-29357 (CVSS score: 9.8), is a privilege escalation flaw that could be exploited by an attacker to gain

New PoC Exploit for Apache OfBiz Vulnerability Poses Risk to ERP Systems

Cybersecurity researchers have developed a proof-of-concept (PoC) code that exploits a recently disclosed critical flaw in the Apache OfBiz open-source Enterprise Resource Planning (ERP) system to execute a memory-resident payload. The vulnerability in question is CVE-2023-51467 (CVSS score: 9.8), a bypass for another severe shortcoming in the same software (CVE-

Atomic Stealer Gets an Upgrade - Targeting Mac Users with Encrypted Payload

Cybersecurity researchers have identified an updated version of a macOS information stealer called Atomic (or AMOS), indicating that the threat actors behind the malware are actively enhancing its capabilities. "It looks like Atomic Stealer was updated around mid to late December 2023, where its developers introduced payload encryption in an effort to bypass detection rules,"

Chinese Hackers Exploit Zero-Day Flaws in Ivanti Connect Secure and Policy Secure

A pair of zero-day flaws identified in Ivanti Connect Secure (ICS) and Policy Secure have been chained by suspected China-linked nation-state actors to breach less than 10 customers. Cybersecurity firm Volexity, which identified the activity on the network of one of its customers in the second week of December 2023, attributed it to a hacking group it tracks under the name UTA0178

Cisco Fixes High-Risk Vulnerability Impacting Unity Connection Software

Cisco has released software updates to address a critical security flaw impacting Unity Connection that could permit an adversary to execute arbitrary commands on the underlying system. Tracked as CVE-2024-20272 (CVSS score: 7.3), the vulnerability is an arbitrary file upload bug residing in the web-based management interface and is the result of a lack of authentication in a specific

FTC Bans Outlogic (X-Mode) From Selling Sensitive Location Data

The U.S. Federal Trade Commission (FTC) on Tuesday prohibited data broker Outlogic, which was previously known as X-Mode Social, from sharing or selling any sensitive location data with third-parties. The ban is part of a settlement over allegations that the company "sold precise location data that could be used to track people's visits to sensitive locations such as medical and