A compromise of an unnamed advertising and marketing vendor utilized by AT&T has uncovered information related to practically 9 million wi-fi telecom accounts.
The breached information didn’t include fee info, account passwords, Social Safety numbers, or different personally identifiable info, AT&T mentioned in a press release supplied to Darkish Studying. As a substitute, the cyberattack allowed unauthorized entry to info used to find out eligibility it mentioned, characterizing the info as years previous.
The cell service is notifying affected clients, it mentioned. In accordance with notification letter in an AT&T Group discussion board.
“We not too long ago decided that an unauthorized particular person breached a vendor’s system and gained entry to your Buyer Proprietary Community Data (CPNI),” the information breach notification letter within the AT&T group discussion board learn. “In our business, CPNI is info associated to the telecommunications companies you buy from us, such because the variety of traces in your account or the wi-fi plan to which you might be subscribed.”
It added, “We have now notified federal legislation enforcement in regards to the unauthorized entry of your CPNI as required by the Federal Communications Fee. Our report back to legislation enforcement doesn’t include particular details about your account, solely that the unauthorized entry occurred.”
