Recent events
Recent events tied to this brand in public sources.
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2026
Microsoft launches AI agent security features
Microsoft launched new security features for enterprises, including Guardian Agents to monitor AI agents in use and agent detection and access-control capabilities in Microsoft Defender.
2026
Researcher discloses ShieldBreak PoC bypassing Microsoft Defender patch for CVE-2026-50656
A security researcher using the handle "Nightmare Eclipse" published a proof-of-concept exploit named ShieldBreak that reportedly bypasses Microsoft's patch for CVE-2026-50656, allowing an attacker with existing system access to gain admin/root privileges. Microsoft said it is investigating the validity and applicability of the claims. Independent confirmation of the PoC's effectiveness was reported by security consultant Steven Eric Fisher, and researcher Kevin Beaumont published Advanced Hunting detection rules for ShieldBreak.
2020
Microsoft launches Android security protection preview
Microsoft launched a public preview of Microsoft Defender Advanced Threat Protection for Android, extending its enterprise security protection to Android phones.
2020
Microsoft releases Defender ATP public preview for Linux
Microsoft released a public preview of Microsoft Defender ATP for Linux, making it available for testing on six Linux distributions.