Siberian nightlife has its opportunities. Just ask Australian cyber spies, who used local criminals’ decision to enjoy a vodka-soaked night to bust a multimillion-dollar business run by Russians warehousing stolen data.

It wasn’t ordinary data. It was a treasure trove of millions of Australians’ sensitive health information, including on mental and sexual conditions, that had been pilfered from the insurer Medibank in August 2022.