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 ...

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 ...

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.

Microsoft has warned developers to stop using the RC4 and SHA-1 algorithms. The algorithms have been a source of attacks lately and many have suggested phasing them out, now Redmond has wade in ...

The company advises customers to stop using the RC4 cipher in TLS connections because of known weaknesses in the algorithm Microsoft released optional security updates Tuesday for various versions of ...

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.

Microsoft patched serious vulnerabilities Tuesday in Windows, Internet Explorer and Office, but also urged customers to stop using the aging RC4 cipher and SHA-1 hashing function in their systems and ...

A proprietary algorithm developed by RSA Data Security, Inc., RC2 is an alternative to DES. The algorithm expands a single message by up to 8 bytes. RC2 is a block cipher that encrypts data in blocks ...