Should I be worried?

If you're not an Argentinian Chrome user, then yes. In future >>>/g/sqt

>>55175273
If you are one of those idiots who login to stuff using a proxy,then no,depending on the proxy service you use maybe :^/
If you are the kind that uses four letter passwords
or
logins from public computers then yes

>>55175273
cred reuse maybe?

>>55175273
For a second I thought it said Windows 3.1 and I was amazed.

Nah don't worry its just Dropbox staff checking your files for anything illegal

>>55175736
this

>>55175273
>Should I be worried?
>using Dropbox
Yes