The January 2026 updates will begin the phaseout of RC4 encryption in the Kerberos protocol for Windows Server. The trigger ...
The Windows security updates from January herald the phase-out of insecure RC4 encryption. A vulnerability requires action.
RC4 has been exploited in high-profile attacks across enterprise Windows networks Kerberoasting exploits weaknesses in Active Directory, allowing attackers to perform offline password cracking ...
Microsoft rolls out new Kerberos protections to block RC4 encryption, with enforcement mode becoming mandatory for domain controllers in 2026.
Microsoft released optional security updates Tuesday for various versions of the .NET Framework that prevent the RC4 encryption algorithm from being used in TLS (Transport Layer Security) connections.
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 ...
Why did Microsoft abolish the encryption method 'RC4' that it had supported by default for 26 years?
Microsoft has finally decided to discontinue the RC4 encryption method that has been supported by default in Windows for 26 years. By eliminating this old technology, which has been the target of ...
A prominent US senator has called on the Federal Trade Commission to investigate Microsoft for “gross cybersecurity negligence,” citing the company’s continued use of an obsolete and vulnerable form ...
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