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.

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 ...

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 ...