xfinity.com

In 2018, Xfinity, a major American internet and cable provider, experienced a significant data breach that leaked the personal information of 617,467 customers. The leaked data included names, addresses, phone numbers, account information, and even Social Security numbers.

The breach was the result of a vulnerability in Xfinitys website that allowed unauthorized access to customer data. The leaked information was found on a third-party website, and it was unclear how the data was obtained or who was responsible for the breach.