After breach, senators ask why AT&T stores call records on “AI Data Cloud”

Enlarge (credit: Getty Images | Ronald Martinez)

US senators want AT&T to explain why it stores massive amounts of call and text message records on a third-party analytics platform that bills itself as an “AI Data Cloud.”

AT&T revealed last week that “customer data was illegally downloaded from our workspace on a third-party cloud platform,” and that the breach “includes files containing AT&T records of calls and texts of nearly all of AT&T’s cellular customers.” The third-party platform is Snowflake, and AT&T is one of many Snowflake corporate customers that had data stolen. Ticketmaster is another notable company affected by the breach.

AT&T and Snowflake each got letters yesterday from US Sens. Richard Blumenthal (D-Conn.) and Josh Hawley (R-Mo.), the chair and ranking member of the Senate Judiciary Subcommittee on Privacy, Technology, and the Law. The senators asked AT&T CEO John Stankey to answer a series of questions, including this one: