Microsoftは、Windowsにおいて26年もの間デフォルトでサポートしてきた暗号化方式「RC4」を、ついに廃止することを決定しました。長年にわたりサイバー攻撃の標的となってきたこの古い技術を排除することで、Windows環境の安全性を根本から ...

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 ...

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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 ...

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 ...

As you likely know, one of the biggees that the newly ratified 802.11i security standard will bring to the wireless LAN table is Advanced Encryption Standard, the U.S. government’s chosen standard ...

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 ...