Kyber

Inactive
Kyber is a recently identified ransomware group using sophisticated hybrid encryption (AES-256-CTR with X25519 and Kyber1024), operating Tor-based communication channels and employing double-extortion with free partial decryption offered to build negotiation trust, discovered through underground forum monitoring in 2025.
1 Victims
Mar 17, 2026 First Discovered
Mar 17, 2026 Last Discovered
48 Days Inactive
100% Infostealer
0/1 Sites Online
Top Countries
US 1
Top Sectors
Government & Defense 1
Known Locations (1)
CAPTCHA Verification
kyblogtz6k3jtxnjjvluee5ec4g3zcnvyvbgsnq5thumphmqidkt7xid.onion
Intelligence
Victims (1)
L3HARRIS
US Government & Defense Discovered: Jul 30, 2026 · Attack est.: Mar 17, 2026
L3Harris is a global aerospace and defense technology innovator that provides mission-critical solutions for government, defense, and commercial sectors.