If you think your Dropbox account may have been hacked, check to see if any of the following apply to you:
There are files or photos I don’t recognize in my Dropbox account
Click on the unfamiliar file and click Version history on the right to find out who added the file.
You can also check your Sharing page to see if the unfamiliar files or photos are inside of a shared folder. If so, another member of the folder may have added them.
Learn what to do if you’re seeing someone else’s photos.
My files have disappeared
Learn how to recover missing files from your Dropbox account.