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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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Mcresolver breach: questions and answers
When did the Mcresolver data breach happen?
The Mcresolver breach dates to December 2015.
How many records were leaked in the Mcresolver breach?
LeakCheck has indexed 2,427,290 records from the Mcresolver breach.
What data was exposed in the Mcresolver breach?
The leaked records include usernames.
Were passwords exposed in the Mcresolver breach?
No. The records indexed from Mcresolver do not include passwords — but the other details they hold can still be used for phishing.
How do I check if my data was in the Mcresolver 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 Mcresolver breach — and in any of the other 1,469 sources LeakCheck indexes.
What should I do if my data was in the Mcresolver breach?
Change the password you used on Mcresolver 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.