An anonymous source corresponding with TechCrunch claims that the total amount of cryptocurrency stolen is somewhere between $15 million and $20 million. The tipster also claimed that the hackers have the ability to gain access to any AT&T account via the AT&T employee portal; AT&T has denied this and instead claimed that "the bad actors used an API access."
AT&T customers suffer crypto wallet compromises reportedly totaling $15–$20 million
TechCrunch reported that attackers were able to gain access to AT&T email accounts which they then used to gain access to customers' cryptocurrency accounts. Various customers reported their accounts at exchanges including Coinbase and Gemini had been drained. One individual victim lost $134,000 from their Coinbase account.