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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.

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 ...

How RC4 and Kerberoasting helped attackers for decades The damage from keeping RC4 around is not theoretical. In one of the most high profile recent incidents, attackers who broke into Ascension’s ...