Morning Overview on MSN

Microsoft just rushed patches for two Defender zero-days code-named 'RedSun' and 'UnDefend' — both already being exploited right now on Windows devices

Microsoft pushed emergency patches this week for two zero-day vulnerabilities in Windows Defender, the antivirus software baked into every modern Windows PC. Both flaws are already being exploited in ...
ZDNet

Microsoft's latest Windows 11 update improves Defender for Endpoint's ransomware capabilities

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MSN on MSN

CISA just added two Microsoft Defender flaws to the actively exploited list — every federal agency ordered to patch CVE-2026-41091 and CVE-2026-45498 by Wednesday

Every federal civilian agency running Microsoft Defender now faces a two-week countdown to fix two actively exploited security flaws. CISA added CVE-2026-41091 and CVE-2026-45498 to its Known ...
TechRepublic

Microsoft Defender 365: Automation to fight automated attacks

Microsoft Defender 365 will fight attackers using their own tactics by locking down compromised systems automatically — including Linux servers. When you think about everything in your organization ...