Security researchers have discovered weaknesses that could be exploited to crack some types of encrypted Web communications. The flaw exists in the RC4 encryption algorithm that's often used to help ...

A fresh warning concerning the use of RC4 to support secure communication channels online has been issued after researchers were able to exploit the protocol to decrypt user data in mere hours.

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 ...