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Information Technology/IT

Breach intelligence, attack campaigns, and threat reports targeting the Information Technology/IT sector.

3786 threat reports
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Information Technology/IT Threat Reports

Showing 1921–1932 / 3786 reports
Quasar Linux RAT: A New Threat to Developer Environments
Computer Software/Engineering6 months ago

Quasar Linux RAT: A New Threat to Developer Environments

In May 2026, security researchers uncovered Quasar Linux RAT (QLNX), a sophisticated Linux-based remote access trojan targeting developer systems. QLNX operates stealthily, executing filelessly from memory and employing multiple persistence mechanisms, including systemd, crontab, and .bashrc shell injection. It masquerades as kernel threads to evade detection and utilizes both userland and kernel-level rootkits to conceal its presence. The malware's primary objective is to harvest credentials from high-value files such as .npmrc, .pypirc, .git-credentials, and cloud service configurations, enabling attackers to infiltrate software supply chains and cloud infrastructures. ([roguevault.news](https://www.roguevault.news/quasar-linux-rat-supply-chain-threat/?utm_source=openai)) The emergence of QLNX underscores a growing trend of targeted attacks on developer environments, aiming to exploit the trust within software supply chains. This incident highlights the critical need for enhanced security measures in development pipelines, as the compromise of a single developer's credentials can lead to widespread distribution of malicious code, affecting numerous downstream users and systems. ([socprime.com](https://socprime.com/active-threats/qlnx-linux-rat-uses-rootkit-and-pam-backdoor/?utm_source=openai))

High impact

Kill Chain

ICInitial Compromise(medium)
PEPrivilege Escalation(high)
LMLateral Movement(medium)
C&CCommand & Control(high)
EExfiltration(high)
IImpact(high)
Read report
CISA Adds CVE-2026-6973 to Known Exploited Vulnerabilities Catalog
Government Administration6 months ago

CISA Adds CVE-2026-6973 to Known Exploited Vulnerabilities Catalog

On May 7, 2026, the Cybersecurity and Infrastructure Security Agency (CISA) added CVE-2026-6973 to its Known Exploited Vulnerabilities (KEV) catalog. This high-severity vulnerability affects Ivanti Endpoint Manager Mobile (EPMM) versions prior to 12.6.1.1, 12.7.0.1, and 12.8.0.1, allowing authenticated users with administrative privileges to execute arbitrary code remotely. Ivanti has released patches to address this issue and urges organizations to update their systems promptly. ([redpacketsecurity.com](https://www.redpacketsecurity.com/cve-alert-cve-2026-6973-ivanti-endpoint-manager-mobile/?utm_source=openai)) The inclusion of CVE-2026-6973 in the KEV catalog underscores the ongoing threat posed by vulnerabilities in widely used enterprise management tools. Organizations are advised to prioritize the remediation of such vulnerabilities to mitigate potential risks to their networks and data. ([cisa.gov](https://www.cisa.gov/known-exploited-vulnerabilities-catalog?utm_source=openai))

High impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(medium)
LMLateral Movement(medium)
C&CCommand & Control(medium)
EExfiltration(medium)
IImpact(medium)
Read report
Critical RCE Vulnerabilities in Microsoft's Semantic Kernel SDK
Computer Software/Engineering6 months ago

Critical RCE Vulnerabilities in Microsoft's Semantic Kernel SDK

In May 2026, Microsoft disclosed critical vulnerabilities in its Semantic Kernel SDK, specifically CVE-2026-26030 and CVE-2026-25592. These flaws allowed remote code execution and arbitrary file writes through AI agent frameworks, posing significant security risks. Attackers could exploit these vulnerabilities to execute unauthorized code and manipulate file systems, potentially leading to full system compromise. The vulnerabilities were promptly addressed in subsequent updates, with Microsoft releasing patches to mitigate the risks. Organizations utilizing the Semantic Kernel SDK were urged to update to the latest versions to protect their systems from potential exploitation. This incident underscores the evolving threat landscape in AI and machine learning applications, highlighting the need for continuous vigilance and proactive security measures in the development and deployment of AI agents. As AI technologies become more integrated into critical systems, ensuring their security is paramount to prevent potential breaches and maintain trust in these advanced solutions.

Critical impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(medium)
LMLateral Movement(medium)
C&CCommand & Control(medium)
EExfiltration(medium)
IImpact(medium)
Read report
Dirty Frag: Unpatched Linux Vulnerability Grants Root Access
Information Technology/IT6 months ago

Dirty Frag: Unpatched Linux Vulnerability Grants Root Access

On May 7, 2026, a critical Linux kernel vulnerability known as 'Dirty Frag' was publicly disclosed. This flaw allows unprivileged local users to escalate their privileges to root across major Linux distributions, including Ubuntu, RHEL, Fedora, and others. Discovered by security researcher Hyunwoo Kim, Dirty Frag exploits two distinct vulnerabilities within the IPsec ESP and RxRPC modules, enabling attackers to modify read-only files in the page cache, leading to full system compromise. The premature disclosure occurred before patches were available, leaving systems vulnerable without immediate remediation options. The urgency of addressing Dirty Frag is heightened by its similarity to the recently disclosed 'Copy Fail' vulnerability (CVE-2026-31431), which also facilitates local privilege escalation. The public availability of exploit code for both vulnerabilities increases the risk of widespread exploitation. Organizations must prioritize mitigating these vulnerabilities to prevent potential system compromises and data breaches.

High impact

Kill Chain

ICInitial Compromise(medium)
PEPrivilege Escalation(high)
LMLateral Movement(medium)
C&CCommand & Control(medium)
EExfiltration(medium)
IImpact(medium)
Read report
CallPhantom Scam: Deceptive Android Apps Exploit User Curiosity
Telecommunications6 months ago

CallPhantom Scam: Deceptive Android Apps Exploit User Curiosity

In November 2025, ESET researchers identified a series of fraudulent Android applications, collectively named 'CallPhantom,' on the Google Play Store. These 28 apps falsely claimed to provide access to call logs, SMS records, and WhatsApp call histories for any phone number. Users were prompted to pay for these services but received only randomly generated, fabricated data. The apps amassed over 7.3 million downloads before being reported to Google and subsequently removed from the store. This incident underscores the persistent threat of deceptive applications exploiting user curiosity and trust. The CallPhantom scam highlights the need for continuous vigilance against fraudulent apps, especially as cybercriminals increasingly target mobile platforms. Users should be cautious of apps requesting payments for services that seem too good to be true and verify the legitimacy of applications before installation.

Low impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(medium)
LMLateral Movement(high)
C&CCommand & Control(high)
EExfiltration(high)
IImpact(high)
Read report
Understanding the Impact of Recent SSRF Vulnerabilities in MCP Servers
Computer Software/Engineering6 months ago

Understanding the Impact of Recent SSRF Vulnerabilities in MCP Servers

In early 2026, critical vulnerabilities were discovered in MCP servers, notably in Atlassian's mcp-atlassian and Microsoft's MarkItDown. These vulnerabilities, including CVE-2026-27826, allowed unauthenticated attackers to exploit Server-Side Request Forgery (SSRF) flaws, potentially leading to remote code execution and unauthorized access to internal resources. The mcp-atlassian vulnerability stemmed from unvalidated custom HTTP headers, while MarkItDown's flaw involved improper URL validation, enabling access to cloud metadata services. ([pluto.security](https://pluto.security/blog/mcpwnfluence-cve-2026-27825-critical/?utm_source=openai)) These incidents underscore the persistent threat posed by SSRF vulnerabilities in widely used platforms. As organizations increasingly integrate MCP servers into their infrastructure, ensuring robust input validation and implementing strict access controls are imperative to prevent similar exploits and safeguard sensitive data.

High impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(high)
LMLateral Movement(medium)
C&CCommand & Control(medium)
EExfiltration(medium)
IImpact(medium)
Read report
ShinyHunters' 2026 Canvas Data Breach: A Wake-Up Call for Educational Cybersecurity
Higher Education/Acadamia6 months ago

ShinyHunters' 2026 Canvas Data Breach: A Wake-Up Call for Educational Cybersecurity

In early May 2026, the cybercriminal group ShinyHunters executed a significant data breach targeting Instructure's Canvas learning management system. This attack compromised personal information—including names, email addresses, student ID numbers, and user communications—of approximately 275 million users across nearly 9,000 educational institutions worldwide. Notable universities such as MIT, Harvard, Oxford, and UC Berkeley were among those affected. The breach led to widespread disruptions, particularly as students were preparing for final exams. ([apnews.com](https://apnews.com/article/446c240d5aeb1b1a1e3795fb92237563?utm_source=openai)) This incident underscores the escalating threat posed by cybercriminal groups like ShinyHunters, who have a history of targeting educational platforms. The breach highlights the critical need for robust cybersecurity measures within educational institutions to protect sensitive data and maintain operational continuity. ([apnews.com](https://apnews.com/article/a0d7719689263e6b5f90d0e633391b5b?utm_source=openai))

High impact

Kill Chain

ICInitial Compromise(medium)
PEPrivilege Escalation(medium)
LMLateral Movement(medium)
C&CCommand & Control(medium)
EExfiltration(high)
IImpact(high)
Read report
Critical Ivanti EPMM Vulnerability (CVE-2026-6973) Under Active Exploitation
Health Care / Life Sciences6 months ago

Critical Ivanti EPMM Vulnerability (CVE-2026-6973) Under Active Exploitation

In May 2026, Ivanti disclosed a high-severity vulnerability (CVE-2026-6973) in its Endpoint Manager Mobile (EPMM) software, which allows authenticated administrative users to execute remote code due to improper input validation. This flaw affects EPMM versions prior to 12.6.1.1, 12.7.0.1, and 12.8.0.1. Exploitation of this vulnerability has been observed in a limited number of cases, potentially leading to full system compromise. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added this vulnerability to its Known Exploited Vulnerabilities catalog, mandating federal agencies to apply patches by May 10, 2026. Organizations are urged to update their EPMM installations promptly to mitigate the risk of exploitation.

High impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(medium)
LMLateral Movement(medium)
C&CCommand & Control(medium)
EExfiltration(medium)
IImpact(low)
Read report
Fake Claude AI Website Distributes Beagle Windows Malware
Computer Software/Engineering6 months ago

Fake Claude AI Website Distributes Beagle Windows Malware

In May 2026, a fraudulent website mimicking the legitimate Claude AI platform offered a malicious download named 'Claude-Pro Relay,' which installed a previously undocumented Windows backdoor called 'Beagle.' The attackers advertised this software as a high-performance relay service for Claude-Code developers. Upon execution, the installer added files to the Startup folder, enabling persistent remote access through the Beagle backdoor, which supports commands like executing system commands, file manipulation, and directory operations. The campaign utilized DLL sideloading techniques involving a signed G Data updater to deploy the malware, with command-and-control communications secured via AES encryption over TCP and UDP protocols. ([bleepingcomputer.com](https://www.bleepingcomputer.com/news/security/fake-claude-ai-website-delivers-new-beagle-windows-malware/amp/?utm_source=openai)) This incident underscores the growing trend of cybercriminals exploiting the popularity of AI platforms to distribute malware. The use of sophisticated techniques such as DLL sideloading and encrypted communications highlights the evolving nature of threats targeting both individual users and organizations. Vigilance in verifying software sources and monitoring for unusual system behavior remains crucial in mitigating such risks.

High impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(high)
LMLateral Movement(low)
C&CCommand & Control(high)
EExfiltration(low)
IImpact(low)
Read report
State-Sponsored Exploitation of Palo Alto Networks Firewall Zero-Day (CVE-2026-0300)
Financial Services6 months ago

State-Sponsored Exploitation of Palo Alto Networks Firewall Zero-Day (CVE-2026-0300)

In early April 2026, Palo Alto Networks identified a critical buffer overflow vulnerability (CVE-2026-0300) in the User-ID Authentication Portal of its PAN-OS software, affecting PA-Series and VM-Series firewalls. This flaw allows unauthenticated attackers to execute arbitrary code with root privileges by sending specially crafted packets. Exploitation attempts began on April 9, with successful breaches occurring a week later. Attackers deployed tools like Earthworm and ReverseSocks5 to establish covert communications and bypass network defenses. This incident underscores a growing trend of state-sponsored actors targeting network edge devices, which often lack comprehensive logging and security measures. Organizations are urged to implement robust access controls and promptly apply security patches to mitigate such vulnerabilities. ([helpnetsecurity.com](https://www.helpnetsecurity.com/2026/05/07/state-sponsored-hackers-zero-day-attacks-palo-alto-firewalls/?utm_source=openai))

Critical impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(high)
LMLateral Movement(medium)
C&CCommand & Control(high)
EExfiltration(medium)
IImpact(medium)
Read report
Americans Sentenced for Operating 'Laptop Farms' Aiding North Korean IT Workers
Information Technology/IT6 months ago

Americans Sentenced for Operating 'Laptop Farms' Aiding North Korean IT Workers

In May 2026, U.S. nationals Matthew Isaac Knoot and Erick Ntekereze Prince were each sentenced to 18 months in prison for operating 'laptop farms' that enabled North Korean IT workers to fraudulently secure remote employment at nearly 70 American companies. Knoot managed a laptop farm from his Nashville residence between July 2022 and August 2023, facilitating over $250,000 in payments to North Korean workers. Prince, through his company Taggcar Inc., assisted at least three North Korean IT workers in obtaining remote positions from June 2020 to August 2024, resulting in more than $943,000 in salaries, with the majority routed overseas. The schemes caused significant financial and security repercussions for the victim companies, including over $1.5 million in remediation costs. ([bleepingcomputer.com](https://www.bleepingcomputer.com/news/security/americans-sentenced-for-running-laptop-farms-for-north-korea/?utm_source=openai)) This incident underscores the persistent threat posed by North Korean cyber operations, which exploit remote work opportunities to infiltrate Western companies. The use of 'laptop farms' highlights the evolving tactics employed to circumvent security measures, emphasizing the need for robust identity verification and cybersecurity protocols in remote hiring processes.

Medium impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(high)
LMLateral Movement(medium)
C&CCommand & Control(medium)
EExfiltration(high)
IImpact(medium)
Read report
Critical Zero-Day Vulnerability in Ivanti EPMM: CVE-2026-6973 Under Active Exploitation
Government Administration6 months ago

Critical Zero-Day Vulnerability in Ivanti EPMM: CVE-2026-6973 Under Active Exploitation

In May 2026, Ivanti disclosed a high-severity remote code execution vulnerability, CVE-2026-6973, in its Endpoint Manager Mobile (EPMM) software. This flaw, stemming from improper input validation, allows authenticated users with administrative privileges to execute arbitrary code on affected systems running EPMM versions 12.8.0.0 and earlier. Ivanti confirmed limited exploitation of this zero-day vulnerability in the wild and urged customers to update to patched versions 12.6.1.1, 12.7.0.1, or 12.8.0.1 to mitigate the risk. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added CVE-2026-6973 to its Known Exploited Vulnerabilities catalog, mandating federal agencies to apply the fixes by May 10, 2026. This incident underscores the persistent threat posed by zero-day vulnerabilities and the critical importance of timely patching to maintain system security. ([securityaffairs.com](https://securityaffairs.com/191822/security/u-s-cisa-adds-a-flaw-in-ivanti-endpoint-manager-mobile-epmm-to-its-known-exploited-vulnerabilities-catalog.html?utm_source=openai))

High impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(high)
LMLateral Movement(medium)
C&CCommand & Control(medium)
EExfiltration(medium)
IImpact(low)
Read report
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