Security teams have never had more visibility, yet rarely have they felt more uncertain. Signal pours in from endpoints, ...

From late April 2026 to mid-June 2026, Microsoft Defender Experts observed increased ACR Stealer activity across customer ...

Join Microsoft Security at Black Hat USA 2026 for supply chain research, hands-on security experiences, expert conversations, ...

Starting September 1, 2026, passkeys will become the default authentication experience in Microsoft Entra. Read more about ...

As AI agents become more autonomous, strong identity, access, and auditing controls are critical to keeping them secure.

Threat actors compromised AsyncAPI packages and weaponized trusted CI/CD workflows to distribute malware through npm. This ...

Microsoft Threat Intelligence identified threat actor activity with overlapping tradecraft commonly associated with ...

GigaWiper is a destructive backdoor that combines multiple wiping and ransomware-like capabilities into a single operational ...

Microsoft’s latest Secure Future Initiative report outlines progress on secure foundations, AI-powered defense, and ...

Learn how Microsoft uses AI to proactively harden its own cloud services through the Secure Future Initiative (SFI).

We don’t start with what AI can do. We start with what success looks like for you—then build the system to deliver measurable outcomes and real return on your AI investment. Frontier Company embeds ...

Researchers at this lab work together with others in Microsoft Research and in academia to advance the state of the art in social science, both computational and behavioral, computational economics ...