The Kerberos authentication method originated at the Massachusetts Institute of Technology in the 1980s, as part of a project called Athena. The project involved integrating the computers on the MIT ...

RC4 encryption has been cracked for over a decade. Now Microsoft is slowly sweeping the last remnants, such as in Kerberos, ...

Update 5/20: Microsoft now considers these authentication problems to be resolved, having released “out-of-band” updates on May 19, as described here. Microsoft this week acknowledged possible ...

Microsoft this week indicated that it plans to eliminate the need to use the New Technology LAN Manager (NTLM) protocol in Windows 11, with Kerberos taking its place. NTLM use has long been a ...

If Windows machines fail to complete EAP-TLS authentication with ISE, with Event 5400 Authentication failed error, follow the solutions mentioned below. Note: You might get a few messages saying ...

The various versions of Windows have used Kerberos as its main authentication protocol for over 20 years. However, in certain circumstances, the OS has to use another method, NTLM (NT LAN Manager).

Microsoft’s latest rollouts to Windows 11 24H2 and Windows Server 2025 include the arrival of Recall and hotpatching. Here are the security settings and recommendations to note. Windows 11 24H2 and ...

Posts from this topic will be added to your daily email digest and your homepage feed. Security researchers have found flaws in the way laptop manufacturers are implementing fingerprint authentication ...