Some one reactivated my old Snapchat and used my email for a Facebook account

Got an email two nights ago from Facebook with a confirmation code to login (was a legit email but I did not click any links). I deleted this Facebook account years ago. Then, today I got an email from Snapchat on the same email from an old account, that I thought I deleted, which said someone added me as a friend (also a legit email). I then redownloaded SC, signed in, changed the password, and deleted the account (should be …

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