US, UK, Australia sanction REvil hacker behind Medibank data breach

The report outlines the 2022 Medibank ransomware incident attributed to Aleksandr Gennadievich Ermakov (linked to REvil/BlogXXX), in which attackers accessed and leaked sensitive personal and health data for approximately 10 million customers; Australia, the US, and the UK have publicly attributed the attack, published aliases and images, and imposed coordinated sanctions to disrupt the actor's ability to operate.