Australia has sanctioned a Russian man, Aleksandr Ermakov, for his involvement in the country’s largest cyber-attack, which resulted in the theft and online release of the personal data of 9.7m Medibank users. Ermakov, believed to be part of cyber-crime gang REvil, faces the first-ever sanctions of this kind in Australia, including financial penalties and a travel ban.

Threat Actors Exploit LANSCOPE Endpoint Manager Zero-Day Vulnerability to Steal Confidential Data
In mid-2025, researchers discovered a sophisticated campaign orchestrated by the Chinese state-sponsored threat group BRONZE BUTLER (also known as Tick) targeting organizations relying on Motex
 
															

