AT&T Says Data Breach Leaked Millions of Customers’ Information Online; Were You Affected?

NEW YORK—The theft of sensitive information belonging to millions of AT&T’s current and former customers has been recently discovered online, the telecommunications giant said this weekend.

In a Saturday announcement addressing the data breach, AT&T said that a dataset found on the “dark web” contains information including some Social Security numbers and passcodes for about 7.6 million current account holders and 65.4 million former account holders.

Whether the data “originated from AT&T or one of its vendors” is still unknown, the Dallas-based company noted—adding that it had launched an investigation into the incident. AT&T has also begun notifying customers whose personal information was compromised.

Here’s what you need to know.

What Information Was Compromised in This Breach?

Although varying by each customer and account, AT&T says that information involved in this breach included Social Security numbers and passcodes—which, unlike passwords, are numerical PINS that are typically four digits long.
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