AT&T says hacker stole call records of ‘nearly all’ wireless customers The Washington PostAT&T’s massive data breach deepens crisis for Snowflake seven weeks after hack was disclosed CNBCHow to know if you were affected by the AT&T data breach and what to do next USA TODAYAT&T’s stock falls after company discloses hack affecting almost all customers MarketWatchAre You an AT&T Customer? Here’s What to Know About the Data Breach The New York Times