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Change the password
On the breached site and everywhere else you reused it. Make every password unique.
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A second factor keeps a leaked password from becoming a hijacked account.
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Comcast breach: questions and answers
When did the Comcast data breach happen?
The Comcast breach dates to November 2015.
How many records were leaked in the Comcast breach?
LeakCheck has indexed 616,706 records from the Comcast breach.
What data was exposed in the Comcast breach?
The leaked records include email addresses, passwords, names and physical addresses.
Were passwords exposed in the Comcast breach?
Yes. The indexed Comcast records include passwords, in plain text or hashed. If you had an account, change that password and every other password you reused.
How do I check if my data was in the Comcast breach?
Enter your email address, username or phone number in the search form on this page. The free check shows whether your data appears in the Comcast breach — and in any of the other 1,468 sources LeakCheck indexes.
What should I do if my data was in the Comcast breach?
Change the password you used on Comcast and everywhere you reused it, turn on two-factor authentication, and watch for phishing that quotes details from the leak. To hear about the next breach first, set up breach monitoring.