Over 9 Million AT&T Customers Exposed in Recent Cyber Attack
AT&T is a massive telecommunications company with its headquarters in Dallas, Texas. The company is known as the largest telecommunications company in the world according to its revenue, and it is the third-largest mobile phone service provider in the United States. The company recently suffered an attack that exposed some of its customer data to hackers and may have put customers at risk. The attack wasn't on AT&T directly but on one of the company's external marketing vendors instead.