Microsoft will enforce stronger Kerberos encryption in April 2026, removing RC4 support and potentially impacting enterprise setups.

Microsoft patched serious vulnerabilities Tuesday in Windows, Internet Explorer and Office, but also urged customers to stop using the aging RC4 cipher and SHA-1 hashing function in their systems and ...

There’s an old saying in the security community: Attacks always get better. The latest case where that holds true is for the aging RC4 cipher that’s still widely used to encrypt communications on the ...

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A new report dashes any remaining illusions that 802.11-based (Wi-Fi) wireless local-area networks are in any way secure The paper, written by three of the world's foremost cryptographers, describes a ...

In April, Microsoft plans to start the next phase in the process of phasing out insecure RC4 encryption from Kerberos. Authentication in Active Directory is intended to become significantly more ...

In the Windows Release Health Message Center, Microsoft explains that the software fix for a security vulnerability in Kerberos initiates the hardening of Kerberos with RC4. The vulnerability itself ...

Microsoft's scheduled security patches were accompanied by cryptography-related recommendations to stop using RC4 cipher and SHA-1 Microsoft patched serious vulnerabilities Tuesday in Windows, ...