微软近日正式宣布，将在 2026 年年中全面弃用 RC4（Rivest Cipher 4）加密算法 —— 这一曾广泛用于 Windows 网络身份验证系统、却早已被证明存在严重漏洞的过时技术。此举标志着长达三十多年的 RC4 时代即将落幕，也反映出微软在企业级安全治理上的重大战略调整。

RC4 encryption has been cracked for over a decade. Now Microsoft is slowly sweeping the last remnants, such as in Kerberos, away.

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 ...

By mid-2026, Windows domain controllers will default to allowing only AES-SHA1, with RC4 disabled unless administrators explicitly re-enable it. Microsoft says eliminating RC4 proved complicated due ...

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.

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 ...

Microsoft has announced that it will end support for RC4 encryption in its Microsoft Edge and Internet Explorer 11 web browsers next month. On April 12, it will no longer provide support for the RC4 ...

Join our daily and weekly newsletters for the latest updates and exclusive content on industry-leading AI coverage. Learn More Microsoft today announced that its browsers will stop supporting the RC4 ...

A Microsoft update that will disable the compromised RC4 stream cipher on Windows systems was released on Tuesday. The update is described in Security Advisory 2868725, but it seems to have gone ...

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 ...

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.