A Quarter Million Comcast Subscribers Had Data Stolen From Debt Collector

An anonymous reader quotes a report from The Register: Comcast says data on 237,703 of its customers was in fact stolen in a cyberattack on a debt collector it was using, contrary to previous assurances it was given that it was unaffected by that intrusion. That collections agency, Financial Business and Consumer Solutions aka FBCS, was compromised in February, and according to a filing with Maine's attorney general, the firm informed the US cable giant about the unauthorized access in March. At the time, FBCS told the internet'n'telly provider that no Comcast customer information was affected. However, that changed in July, when the collections outfit got in touch again to say that, actually, the Comcast subscriber data it held had been pilfered.

Among the data types stolen were names, addresses, Social Security numbers, dates of birth, and the Comcast account numbers and ID numbers used internally at FBCS. The data pertains to those registered as customers at 'around 2021.' Comcast stopped using FBCS for debt collection services in 2020. Comcast made it clear its own systems, including those of its broadband unit Xfinity, were not broken into, unlike that time in 2023. FBCS earlier said more than 4 million people had their records accessed during that February break-in. As far as we're aware, the agency hasn't said publicly exactly how that network intrusion went down. Now Comcast is informing subscribers that their info was taken in that security breach, and in doing so seems to be the first to say the intrusion was a ransomware attack.

FBCS's official statement only attributes the attack to an 'unauthorized actor.' It does not mention ransomware, nor many other technical details aside from the data types involved in the theft. No ransomware group we're aware of has ever claimed responsibility for the raid on FBCS. When we asked Comcast about the ransomware, it simply referred us back to the customer notification letter. The cableco used that notification to send another small middle finger FBCS's way, slyly revealing that the agency's financial situation prevents it from offering the usual identity and credit monitoring protection for those affected, so Comcast is having to foot the bill itself.

Read more of this story at Slashdot.