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 ...

Microsoft rolls out new Kerberos protections to block RC4 encryption, with enforcement mode becoming mandatory for domain controllers in 2026.

Microsoft has finally decided to discontinue the RC4 encryption method that has been supported by default in Windows for 26 years. By eliminating this old technology, which has been the target of ...

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 is officially moving to shut the door on RC4 - a legacy cryptographic cipher that has quietly persisted inside Windows authentication environments for decades - and forcing organizations to ...

Want smarter insights in your inbox? Sign up for our weekly newsletters to get only what matters to enterprise AI, data, and security leaders. Subscribe Now Google, Microsoft, and Mozilla all made the ...

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.

Last year, Microsoft announced end-of-support for the RC4 stream cipher in 2016 for its Edge browser, as well as Internet Explorer 11. Earlier this year, the company reiterated that it would soon ...

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.