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's July 14 Patch Tuesday delivered something more significant than the usual batch of security fixes: a quiet rewriting of how Windows negotiates encrypted connections. The update ships ...

Don't worry, it's not your self-hosted setup — Plex is experiencing issues right now ...

Microsoft is continuing its effort to reduce reliance on NTLM authentication in Windows. The company has announced new Kerberos-based capabilities that will arrive in upcoming Windows 11 client and ...

Microsoft is expanding its passwordless security strategy by introducing passkey support for Microsoft Entra on Windows devices. The feature enables phishing-resistant authentication using Windows ...

Bitwarden now supports passkey logins on Windows 11 for Microsoft Entra ID users, extending passwordless sign-ins to device authentication. Password manager Bitwarden has introduced support for ...

Organizations typically roll out multi-factor authentication (MFA) and assume stolen passwords are no longer enough to access systems. In Windows environments, that assumption is often wrong.

NTLM has been a part of Windows authentication for more than three decades. It consists of security protocols originally designed to provide authentication, integrity, and confidentiality to users.

Microsoft released KB5077793 to fix Azure Virtual Desktop and Windows 365 authentication failures. January 2026 security update KB5073379 caused credential prompt failures across multiple Windows ...

Update as of 2/4/2026: Details on the Windows Update rollout strategy added. As organizations face an evolving threat landscape, strengthening Windows authentication is more critical than ever. The ...