Comcast data breach: what happened and what to do
Last reviewed July 13, 2026 · 5 records on file · sources listed below
Comcast will pay a $1.5 million fine after a vendor breach exposed personal data from 237,000 current and former customers. The breach involved a debt collector used by Comcast until 2022, with the Federal Communications Commission announcing the penalty.
If you have an account with Comcast, assume the exposed details are circulating. The practical risk today is rarely the leak itself — it is the calls and messages that use those details to sound legitimate.
What we have on file
Every entry below is a catalogued record with its original source. We do not paraphrase beyond what the source reports.
Personal Information · Ransomware
A ransomware attack on a third-party debt collection service provider exposed the personal data of over 230,000 Comcast customers, including names, addresses, SSNs, and Comcast account and ID numbers.
Personal Information · Unknown
Comcast confirmed a massive data breach that exposed the personal details of over 230,000 customers, including sensitive data such as names, social security numbers, and addresses. The breach was attributed to a third-party debt collection company used by Comcast.
Personal Information · Hacking
A data breach at Comcast exposed the personal information of 237,703 subscribers. The breach was discovered this summer and involved a former contractor, Financial Business and Consumer Solutions, a third-party collection agency.
Personal Information · Hacking
Comcast agreed to a $117.5 million settlement for a class-action lawsuit following a 2023 cyberattack that exposed the personal information of Xfinity customers.
What to do
- Change the password anywhere you reused itThe exposure matters most when the same password protects your email, because email is how everything else gets reset.
- Treat every call and text about this breach as a scam until proven otherwiseNo company will ask you for a one-time code, a PIN or a password. Hang up and call the number printed on your card.
- Read your statements for the next three monthsCard fraud usually starts with a small test charge. Catching that one is what stops the large one.
- Give your email account a password nothing else usesIt is the account that can reset all the others, so it is the one worth protecting first.
Questions people ask
Was my data in the Comcast breach?
Having an account alone does not confirm exposure. The reliable check is whether your email address appears in the leaked datasets in circulation — that takes seconds and does not require your password.
Is it too late to do anything?
No. Leaked personal details do not expire, and neither does the defence: a unique password on your email, and a fraud alert on your credit file, still work years later.
Will Comcast contact me?
They may. But scammers contact people too, using exactly these breach details to sound convincing. Never act on an inbound call or text — call back on a number you already had.
701 organisations catalogued
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