AT&T Stock Is Moving Lower Monday: What's Going On? - AT&T (NYSE:T)
AT&T said on Saturday that it determined AT&T data-specific fields were contained in a data set released on the dark web about two weeks ago. A preliminary analysis showed that the data set appears to be from 2019 or earlier and is impacting approximately 7.6 million current AT&T account holders and approximately 65.4 million former account holders.
Source: benzinga.com