Mar 18 2017

pwned

I recently received a spam email to one of my email addresses. In itself this is annoying, but not particularly interesting or that unusual (despite my efforts to avoid such nuisances). What was unusual was the form of the address because it contained a username I have not used in a long time, and only on one specific site.

The address took the form “username” <realaddress@realdomain> and the email invited me to hook up with a “hot girl” who “was missing me”. The return address was at a Russian domain.

Intrigued as to how this specific UID and address had appeared in my inbox I checked Troy Hunt’s haveibeenpwned database and found that, sure enough, the site I had signed up to with that UID had been compromised. I have since both changed the password on that site (too late of course because it would seem that the password database was stored insecurely) and deleted the account (which I haven’t used in years anyway). I don’t /think/ that I have used that particular UID/password combination anywhere else, but I’m checking nonetheless.

The obvious lesson here is that a) password re-use is a /very/ bad idea and b) even old unused accounts can later cause you difficulty if you don’t manage them actively.

But you knew that anyway. Didn’t you?

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