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Microsoft Active Directory Federation Services (AD FS) has been a cornerstone for organizations seeking to provide single sign-on (SSO) and secure access to a range of web applications—both on-premises and in the cloud. With the explosion of SaaS adoption, the importance of strong authentication...

In the shadowy landscape of cybersecurity, most organizations wrestle with threats as old as the internet itself: brute-forced passwords, relentless phishing campaigns, and credential stuffing attacks. Yet, among these familiar dangers, a more insidious risk quietly stalks even the most...

In today’s cyber threat landscape, safeguarding sensitive data requires more than just user passwords—enter multi-factor authentication (MFA). For Windows administrators looking to elevate security while streamlining federated logins, Duo Security’s integration with Microsoft Active Directory...

Ah, January 2025, still fresh and buzzing with more than just New Year resolutions. Microsoft has released advisory details for a significant security vulnerability: CVE-2025-21193, described as an Active Directory Federation Services (AD FS) Spoofing Vulnerability. Let’s unpack what this means...

Severity Rating: Important Revision Note: V1.0 (April 14, 2015): Bulletin published. Summary: This security update resolves a privately reported vulnerability in Active Directory Federation Services (AD FS). The vulnerability could allow information disclosure if a user leaves their browser open...