How to find out if you are already a victim?
Set up a Google Alert for your name
This is an automatic search. You will be informed by e-mail every time your name is found at a new location in the network. This works even without an account at Google. However you will be found only on publicly available pages.
More information: https://www.google.com/alerts
Google Picture Search
With the reverse Google image search you can determine whether your images are used on other sites.
More information: https://images.google.com
Browse Internet registries for your name
Start a “whois” query DENIC or Whois Domaintool to find out for whom an Internet address is registered. But normally this only works only if you know or search an internet address. With a trick – using so called Google Operators for example:”site:whois.domaintools.com +(your name)”
Masses of Identity Thefts at online companies
If those incidents will be publicized – check if you are affected. The above sites maintain comprehensive databases with chopped profiles.
More information: https://sec.hpi.uni-potsdam.de/leak-checker/search
More information: https://haveibeenpwned.com