Kerberos

End of an Era: Microsoft Finally Sets Date to Kill Vulnerable RC4 Cipher

After decades of known vulnerabilities, Microsoft confirms it will disable RC4 by default in Active Directory by mid-2026, forcing a global migration to AES encryption.

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End of the Line for RC4: Microsoft Sets 2026 Deadline to Kill Vulnerable Encryption Cipher

After 26 years, Microsoft is finally retiring the insecure RC4 algorithm from Active Directory to combat Kerberoasting and modernize Windows security.

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