Kyber ransomware is not just post-quantum name-dropping

Reported 29 Apr 2026 by otx · Severity: medium

A detailed technical analysis confirms that Kyber ransomware implements genuine hybrid post-quantum cryptography rather than mere branding. The Rust-based Windows variant encrypts files using AES-256-CTR with Kyber1024 and X25519 for key protection, appending a fixed 0x744-byte t