Microsoft Warns of New Defender Zero-Days in Active Attacks

21. May 2026
Cybersecurity

Microsoft released patches for two exploited Defender zero-days: CVE-2026-41091 enables privilege escalation, CVE-2026-45498 enables DoS attacks; CISA mandated US government agencies to secure their Windows systems within two weeks.

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GitHub Breach via TanStack NPM Supply Chain Attack

21. May 2026
Cybersecurity

Cybercriminals from the TeamPCP group exploited a malicious Nx Console VS Code extension to gain access to GitHub’s internal systems as part of a larger NPM supply chain attack affecting TanStack, Mistral AI, and other projects, demanding at least $50,000 for stolen data.

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Nvidia GPU Drivers Vulnerable on Linux and Windows

21. May 2026
Cybersecurity

Nvidia has patched 13 security vulnerabilities in its GPU drivers for Linux and Windows, with additional patches securing vGPU software.

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Atlassian Security Patches: Bamboo, Confluence & Co. Vulnerable

21. May 2026
Cybersecurity

DoS and malware security vulnerabilities threaten Atlassian applications, and admins should install patches promptly.

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IT Incident: Cybercriminal Gang Rhysida Extorts City of Stuttgart

21. May 2026
Cybersecurity

The criminal organisation Rhysida claims to have stolen extensive documents from Stuttgart’s IT systems and is demanding ransom.

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Nine-Year-Old Linux Kernel Security Vulnerability Enables Root Command Execution on Major Distributions

21. May 2026
Cybersecurity

A nine-year-old Linux kernel vulnerability (CVE-2026-46333) allows unprivileged local users to execute root commands and disclose sensitive files on Debian, Fedora, and Ubuntu; Qualys recommends immediate kernel updates and SSH key rotation.

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Browser Updates: Chrome, Firefox and Thunderbird Patch Security Vulnerabilities

21. May 2026
Cybersecurity

Updates for web browsers Chrome and Firefox, as well as the Thunderbird email client, patch several critical security vulnerabilities.

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Exploited MS Defender Vulnerabilities and BitLocker Protection Measures

21. May 2026
NIS2

CISA warns of attacks on Microsoft vulnerabilities some 18 years old; patches protect Defender and countermeasures address BitLocker vulnerability.

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GitHub Confirms Data Breach via Compromised Nx Console VS Code Extension

21. May 2026
Cybersecurity

A Nx Console extension compromised by cybercriminals (TeamPCP) enabled credential stealers and the theft of approximately 3,800 GitHub internal repositories in just 18 minutes of Marketplace availability.

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Critical Drupal Vulnerability Endangers PostgreSQL Websites with RCE Attacks

21. May 2026
Cybersecurity

Drupal releases critical security updates for CVE-2026-9082, a SQL injection vulnerability in the database API that endangers PostgreSQL websites; updates are available for versions 10.4 and higher, with manual patches only for end-of-life versions.

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Why OT Endpoints Become a Security Risk

21. May 2026
NIS2

According to the Forescout 2026 analysis, 75 percent of today’s most critical device types were not even on the radar two years ago; time clocks, RFID readers, serial-to-IP converters, and medical systems are now in focus, with microsegmentation, zero-trust architectures, and consistent network separation serving as ke

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Best Practices for Secure Remote Access to Enterprise Systems

21. May 2026
Cybersecurity

In the era of hybrid and remote work, secure remote access to enterprise resources is critical for employees, suppliers, business partners, contractors, and other trusted parties.

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Microsoft Warns of New Defender Zero-Days in Active Attacks

GitHub Breach via TanStack NPM Supply Chain Attack

Nvidia GPU Drivers Vulnerable on Linux and Windows

Atlassian Security Patches: Bamboo, Confluence & Co. Vulnerable

IT Incident: Cybercriminal Gang Rhysida Extorts City of Stuttgart

Nine-Year-Old Linux Kernel Security Vulnerability Enables Root Command Execution on Major Distributions

Browser Updates: Chrome, Firefox and Thunderbird Patch Security Vulnerabilities

Exploited MS Defender Vulnerabilities and BitLocker Protection Measures

GitHub Confirms Data Breach via Compromised Nx Console VS Code Extension

Critical Drupal Vulnerability Endangers PostgreSQL Websites with RCE Attacks

Why OT Endpoints Become a Security Risk

Best Practices for Secure Remote Access to Enterprise Systems

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