5 first things you should do after becoming the victim of a Hack

Also, one of the tools available to see if something has in fact been leaked containing your information is "https://haveibeenpwned.com/".
That website uses the leaks as a sort of archive, and when you enter your email it looks to see if you have come up in any leaks that have been made public, and then it lets you know what may have been compromised.
For instance, I showed up in the 'Last.fm' leak even though it was only a trial account back in 2010.

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