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 ...

Websites using RC4 encryption need to change their protocols as exploits using design flaws are now far easier to perform. A fresh warning concerning the use of RC4 to support secure communication ...

Google and Mozilla today announced they’ve settled on a timeframe to permanently deprecate the shaky RC4 encryption algorithm. Google, Microsoft and Mozilla today announced they’ve settled on a ...

The RC4 and SHA-1 algorithms have taken a lot of hits in recent years, with new attacks popping up on a regular basis. Many security experts and cryptographers have been recommending that vendors ...

A recently published paper described an attack that can break the RC4 cipher and decrypt user cookies. How does the attack work, and how can enterprises avoid being vulnerable to an attack? Is RC4 ...

RC4 is a symmetric cryptosystem, invented in 1987 by MIT cryptographer Ronald Rivest, who went on to found RSA Security. The algorithm has several known flaws, but it is still widely used. RC4 is also ...

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 ...

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.

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 ...

The decision to remove RC4 from IE, Edge, Chrome, and Firefox is final nail in the coffin for the vulnerable cryptographic algorithm After years of security experts demanding the RC4 stream cipher be ...