Published on: 2025-07-15 00:14:00
Bottom line: Chipmakers typically use microcode updates to fix bugs and improve CPU reliability. However, this low-level layer between hardware and machine code can also serve as a stealthy attack vector – capable of hiding malicious payloads from all software-based defenses. As threats evolve, even the deepest layers of a system can no longer be assumed safe. A security researcher designed a way to "weaponize" microcode updates to install ransomware directly onto the CPU. Rapid7 analyst Christ
Keywords: beek cpu microcode ransomware security
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