AT&T Reports Data Breach Affecting 9M Customers
AT&T reported a breach of customer proprietary network information from about 9 million wireless accounts. “A vendor that we use for marketing experienced a security incident,” a spokesperson emailed Monday: CPNI “from some wireless accounts was exposed, such as the…
number of lines on an account or wireless rate plan. The information did not contain credit card information, Social Security Number, account passwords or other sensitive personal information. We are notifying affected customers.” The data set that leaked was several years old and involves device upgrade eligibility, the carrier said. The FCC declined comment Monday. The FCC sought comment in January on revised breach rules (see 2301060057).