Microsoft is killing off an obsolete and vulnerable encryption cipher that Windows has supported by default for 26 years ...

Microsoft will disable RC4 by default in Windows Kerberos, pushing organizations to uncover and eliminate longstanding ...

Microsoft is moving to disable RC4, an encryption cipher embedded in Windows authentication for more than two decades. The ...

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

A thorough understanding of Windows' authentication methods will enable you to troubleshoot problems and improve network security. Here's a look at what you need to know. If you’re having problems ...

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 ...

Do any of these situations describe your company? * You have a heterogeneous computing environment that includes a mix of Windows, Unix and Linux systems. * Because of disparate platforms, you are ...

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 ...