CoinStats, a popular cryptocurrency-tracking app, has revealed additional details surrounding its June security incident. 

According to the company, a "...sophisticated (and we believe nation-state affiliated) attacker managed to access private keys of exactly 1590 CoinStats Wallets, resulting in the theft of approximately $2.2 million worth of cryptocurrency," CoinStats wrote in a recent incident report. The company believes the infamous Lazarus Group, or another similarly nation-state supported hacking group, is responsible for the attack. 

The attacker managed to compromise several services related to CoinStats' storage of the private keys of user-created wallets "...through a combination of unauthorized intrusions across multiple services – including outside of CoinStats," …