117 articles from top security sources· Updated 6:57:22 PM
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Microsoft releases Windows OOB updates to distrust eMudhra certificates
Microsoft has released out-of-band (OOB) Windows updates to remove trust in certificates tied to compromised eMudhra certificate authority keys, protecting systems that do not receive automatic certificate trust updates. [...]
Beware the Slasher: AI Could Kill Off Cybersecurity Pros' Skills
Nathan Hamiel outlines potential SecOps horror in the AI midst, as core technical capabilities go the way of reading an atlas or remembering phone numbers.
Brotli bug reaches far beyond Node.js (CVE-2026-111497)
A vulnerability in Brotli, Google’s widely used open-source compression library, is putting a broad range of software at risk. About CVE-2026-111497 Alternatively known as “Node2Shell”, “Broccoli2Shell” and “Brotli2Shell”, CVE-2026-111497 is a remotely exploitable out-of-bounds write flaw that gained widespread attention after Node.js publicly disclosed it on October 21, 2026. “An attacker who can supply Brotli data that an application decompresses with node:zlib can corrupt process memory, whic
'Aokigahara' Stealer Targets 'Developer Keyrings' & AI Assistants
The malware's focus on AI tools expands the traditional infostealer playbook to expose a forest of AI sessions, sensitive business data, and developer infrastructure from a single compromised endpoint.
Warp discloses breach exposing AI agent logs, user telemetry data
Agent decision logs and telemetry data belonging to Warp agentic development environment users were exposed in an attack on a third-party vendor in the project's infrastructure. [...]
Tailscale Rushes Patches After Uncoordinated Disclosure of ‘Tailworm’ Flaws
Tailscale is preparing a patch for Tailscale SSH flaws whose details went public over the weekend, before any fixes had been released. The post Tailscale Rushes Patches After Uncoordinated Disclosure of ‘Tailworm’ Flaws appeared first on SecurityWeek.
Hackers bury inboxes in spam then show up on Microsoft Teams posing as IT support
Threat actors are flooding employees’ inboxes with spam and then contacting them on Microsoft Teams as IT support, offering to fix the problem they created, Arctic Wolf has found. The security company documented more than 400 incidents in which the external chat feature in Teams was abused. In many of these cases, the fake help desk message arrived minutes after the victim’s inbox had been filled with hundreds of newsletter and subscription confirmations. “Microsoft Teams … More → The post Hacke
Tailscale warns of SSH flaws allowing root privilege escalation
The Tailscale security team is working to patch almost a dozen security vulnerabilities that could be exploited to steal credentials, crash servers, gain root privileges, and more. [...]