Microsoft Still Uses RC4

Senator Ron Wyden has asked the Federal Trade Commission to investigate Microsoft over its continued use of the RC4 encryption algorithm. The letter talks about a hacker technique called Kerberoasting, that exploits the Kerberos authentication system.

September 16, 2025
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HybridPetya ransomware bypasses UEFI Secure Boot echoing Petya/NotPetya

HybridPetya ransomware bypasses UEFI Secure Boot to infect EFI partitions, echoing the infamous Petya/NotPetya attacks of 2016–2017. ESET researchers discovered a new ransomware called HybridPetya on the platform VirusTotal. The malware echoes the infamous Petya/NotPetya malware, supporting additional capabilities, such as compromising UEFI-based systems and exploiting CVE‑2024‑7344 to bypass UEFI Secure Boot on outdated systems. “Interestingly, the […]

September 13, 2025
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