The zero-day vulnerabilities in Windows Defender named BlueHammer, RedSun, and UnDefend are apparently being attacked.

Anthropic holds back its most advanced model yet to allow companies and institutions to prepare.

It's not clear how many people were compromised by this hacking campaign, but a security researcher said the hackers were ...

Adobe Acrobat and Reader users are under attack from hackers using a zero-day vulnerability. Update within 72 hours, Adobe ...

Google has released an emergency zero-day patch for its Chrome browser to address a high-severity security issue. The vulnerability, identified as CVE-2026-2441, marks the first zero-day issue patched ...

Fortinet's endpoint management security server software is under fire from attackers, who are actively targeting two critical flaws, including a fresh zero-day that ...

Today is Microsoft's August 2025 Patch Tuesday, which includes security updates for 107 flaws, including one publicly disclosed zero-day vulnerability in Windows Kerberos. This Patch Tuesday also ...

Today is Microsoft's November 2025 Patch Tuesday, which includes security updates for 63 flaws, including one actively exploited zero-day vulnerability. This Patch Tuesday also addresses four ...

Fortinet on Tuesday disclosed a second zero-day vulnerability in its FortiWeb product line, less than a week after revealing a different flaw in its web application firewall (WAF) line had been ...

Anthropic Built an AI So Good That It Won’t Let Anyone Use It. Here’s Everything You Need to Know About Claude Mythos.

January 2026 Patch Tuesday fixes 113 Microsoft vulnerabilities, including actively exploited zero-day CVE-2026-20805. Critical Windows and Office flaws enable remote code execution, privilege ...