Tag: cascade hole

Lazarus Exploits South Korean Security Software with Post-Quantum Encryption

Meet Operation FlashHole, a sneaky espionage campaign led by the notorious Lazarus Group, which has been targeting South Korean financial-security software since July 2025 to gain access to high-security corporate and institutional networks. The attackers have been using clever spear-phishing tactics, creating fake but convincing websites to trick their selective targets.