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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 for sale on a cybercrime forum. "While we currently have no evidence of impact to customer information stored outside of GitHub's internal repositories (such as our customers' enterprises,

A compromised maintainer account was used to publish malicious package versions across the @antv namespace. The post Over 320 NPM Packages Hit by Fresh Mini Shai-Hulud Supply Chain Attack appeared first on SecurityWeek.

As enterprises rush AI projects into production, security teams are increasingly being forced into reactive mode. The post Caught Off Guard: Securing AI After It Hits Production appeared first on SecurityWeek.

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 in the AI Era → TL;DR Typosquatting is no longer a user problem. Attackers now embed lookalike domains inside legitimate third-party scripts.

SecurityWeek spoke with several ICS security experts and companies about their most memorable experiences in the field. The post Real-World ICS Security Tales From the Trenches appeared first on SecurityWeek.

Don't miss this virtual event as we explore how to cut through alert fatigue, leverage AI and unified platforms to accelerate investigations, and apply actionable threat intelligence. The post Virtual Event Today: Threat Detection & Incident Response Summit appeared first on SecurityWeek.

The TeamPCP hacking group accessed the repositories after a GitHub employee installed a poisoned VS Code extension. The post GitHub Confirms Hack Impacting 3,800 Internal Repositories appeared first on SecurityWeek.

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 score of 6.8. It has been described as a BitLocker security feature bypass. "Microsoft is aware of a security feature bypass vulnerability in Windows publicly referred to as 'YellowKey,'" the

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 the scope of the incident is limited to the Grafana Labs GitHub environment, which includes public and private source code along with internal GitHub repositories. "After the initial assessment, we found that in addition to source

Verizon’s 2026 DBIR finds vulnerability exploitation has overtaken credential abuse as the leading breach vector, as AI accelerates attacks, patching delays worsen, and ransomware and third-party compromises continue to surge. The post Verizon DBIR 2026: Vulnerability Exploitation Overtakes Credential Theft as Top Breach Vector appeared first on SecurityWeek.

Cybersecurity researchers have disclosed details of a new ad fraud and malvertising operation dubbed Trapdoor targeting Android device users. The activity, per HUMAN's Satori Threat Intelligence and Research Team, encompassed 455 malicious Android apps and 183 threat actor-owned command-and-control (C2) domains, turning the infrastructure into a pipeline for multi-stage fraud. "Users

Drupal says attackers may develop an exploit for the vulnerability within hours or days. The post Drupal to Patch Highly Critical Vulnerability at Risk of Quick Exploitation appeared first on SecurityWeek.

Fox Tempest provides a service that cybercriminals use to distribute ransomware and other malware disguised as legitimate software. The post Microsoft Disrupts Malware-Signing Service Run by ‘Fox Tempest’ appeared first on SecurityWeek.

Proof-of-concept (PoC) exploit code has now been released for a recently patched security flaw in the Linux kernel that could allow for local privilege escalation (LPE). Dubbed DirtyDecrypt (aka DirtyCBC), the vulnerability was discovered and reported by the Zellic and V12 security team on May 9, 2026, only to be informed by the maintainers that it was a duplicate of a vulnerability that had

Attackers are increasingly abusing Microsoft’s decades-old MSHTA utility to stealthily deliver stealers, loaders, and persistent malware through phishing, fake software downloads, and LOLBIN-based attack chains. The post Legacy Windows Tool MSHTA Fuels Surge in Silent Malware Attacks appeared first on SecurityWeek.