Lazarus Group's Operation FlashHole hits South Korean firms via INISAFE CrossWeb EX abuse, GitHub C2 and ML-KEM-1024 post-quantum payload delivery
Kaspersky's analysis of Operation FlashHole describes a Lazarus Group campaign against South Korean organizations. It follows Operation SyncHole and is placed within the broader Cascade Hole activity. The earliest evidence dates to July 2025 (securelist.com, bleepingcomputer.com), and Kaspersky identified at least three victims in the sof…