Microsoft has observed a surge in attacks using the ACR Stealer malware to steal browser-stored passwords, authentication ...

ACR Stealer campaigns use ClickFix lures, JPEG steganography, and WebDAV to steal browser tokens, passwords, PDFs, and synced ...

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

Microsoft is extending Dataverse into coding-agent marketplaces while expanding its MCP tools, certification program and governance controls.

An exposed attack server led Lexfo to three Microsoft 365 phishing operations using Evilginx and device code abuse to capture ...