Operation FlashHole: Lazarus breaks security, defies control

Kaspersky researchers analyze Operation FlashHole – a recent complex attack by Lazarus, involving a sophisticated malware set, watering-hole technique and abuse of CrossWeb EX financial security software.

Published 21-Oct-2026 05:20 UTC · First seen 21-Oct-2026 05:20 UTC

Sources

• Kaspersky Securelist · 21-Oct-2026