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)”

More information:  http://whois.domaintools.com
More information:  https://www.denic.de/en/service/whois-service/

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