ShinyHunters 'pay or leak' extortion of CyrusOne leaks 373k contact records, added to Have I Been Pwned
In August 2026, data centre operator CyrusOne was targeted in a ShinyHunters "pay or leak" extortion attempt. The group later published data allegedly stolen from the company, covering about 373k unique email addresses across records for users, sales leads and CyrusOne employees. The data is mostly corporate contact information, and also …