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 ...

The January 2026 updates will begin the phaseout of RC4 encryption in the Kerberos protocol for Windows Server. The trigger is a security flaw that allows attackers to request Kerberos service tickets ...

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 ...

Pass The test ran successfully. Xfail The test was expected to fail and it failed. It must be properly justified and reported in an issue. Skip The test was not run. It must be properly justified and ...

The Linux kernel development cycle continues with the release of Linux 6.19-rc4, the fourth release candidate in the lead-up to the final 6.19 stable kernel. As with previous RC builds, this release ...

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Microsoft is finally ripping out one of the weakest links in its identity stack, cutting off a legacy cipher that attackers have abused for years to walk straight into corporate networks. The move ...

Microsoft is officially moving to shut the door on RC4 - a legacy cryptographic cipher that has quietly persisted inside Windows authentication environments for decades - and forcing organizations to ...

About time: Microsoft introduced support for the RC4 stream cipher in Windows 2000 as the default authentication algorithm for the Active Directory services. The system has been insecure for even ...

Microsoft is killing off an obsolete and vulnerable encryption cipher that Windows has supported by default for 26 years following more than a decade of devastating hacks that exploited it and ...