Ravie LakshmananMay 21, 2026Supply Chain Attack / Developer Tools GitHub on Wednesday officially confirmed that the breach of its internal repositories was the result of a compromise of an employee device involving a poisoned version…
Ravie LakshmananMay 21, 2026Web Security / Vulnerability Drupal has released security updates for a “highly critical” security vulnerability in Drupal Core that could be exploited by attackers to achieve remote code execution, privilege escalation, or…
Ravie LakshmananMay 20, 2026Artificial Intelligence / Security Testing Microsoft has unveiled two new open-source tools called RAMPART and Clarity to assist developers in better testing the security of artificial intelligence (AI) agents. RAMPART, short for…
Microsoft on Tuesday said it disrupted a malware-signing-as-a-service (MSaaS) operation that weaponized the company’s Artifact Signing system to deliver malicious code and conduct ransomware and other attacks, compromising thousands of machines and networks across the…
Cybersecurity researchers have flagged fresh activity from a China-aligned threat actor known as Webworm in 2025, deploying custom backdoors that employ Discord and Microsoft Graph API for command-and-control (C2 or C&C) communications. Webworm, first publicly…
The Hacker NewsMay 20, 2026Identity Security / Enterprise Security New Industry Data Just Released Suggests Not. On May 19th, 2026, Orchid Security released the results of our Identity Gap: Snapshot 2026. Among the findings, “identity…
AI-generated lookalike domains are now embedded inside the third-party scripts running on your web properties. Here’s why your current stack can’t see them, and what detection actually requires. Download the CISO Expert Guide to Typosquatting…
Ravie LakshmananMay 20, 2026Vulnerability / Encryption Microsoft on Tuesday released a mitigation for a BitLocker bypass vulnerability named YellowKey following its public disclosure last week. The zero-day flaw, now tracked as CVE-2026-45585, carries a CVSS…
Ravie LakshmananMay 20, 2026Supply Chain Attack / Cloud Security Grafana Labs, on May 19, 2026, said an investigation into its recent breach found no evidence of customer production systems or operations being compromised. It said…
Ravie LakshmananMay 20, 2026Malware / Cloud Security GitHub on Tuesday said it’s investigating unauthorized access to its internal repositories after the notorious threat actor known as TeamPCP listed the platform’s source code and internal organizations…