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Possible breach
I looked up a phone number on Intelius, and then found myself receiving multiple messages indicating a potential problem with Firefox. What should I do?
ყველა პასუხი (1)
You can remove all data stored in Firefox for a specific domain via "Forget About This Site" in the right-click context menu of an history entry ("History -> Show All History" or "View -> Sidebar -> History").
Using "Forget About This Site" will remove all data stored in Firefox for this domain like history and cookies and passwords and exceptions and cache, so be careful. If you have a password or other data for that domain that you do not want to lose, make sure to backup this data or make a note.
You can't recover from this 'forget' unless you have a backup of involved files.
If you revisit a 'forgotten' website, data for that website will be saved once again.
You can check if you have a Push permission for suspect domain(s) like shown at the bottom of the message and revoke this permission. See "How do I revoke Web Push permissions for a specific site?":