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Event Brief

Rapid7 says Kyber ransomware uses ML-KEM

Rapid7 says it reverse-engineered Kyber ransomware and found it uses ML-KEM1024 to hide its AES-256 key.
WHO: Rapid7
WHAT: Reverse-engineered Kyber ransomware and found it uses ML-KEM1024
WHEN: Apr 23, 2026 at 4:41 PM ET
WHERE: Location not specified
WHY: No specific cause was reported.
Sources (2): Ars Technica, Ars Technica

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