Access blocking


The distribution of child sexual abuse material on the Internet is a huge problem, both for international law enforcement and for the victims of the depicted abuse.

The strategy of blocking access to child sexual abuse material has been operating in several countries for many years, with very good results. However, an international initiative is necessary, given the global nature of the Internet and the fact that some countries may have difficulties introducing such national blocking, due to a lack of legislation, personnel, technical equipment, and so on.

The "Worst of"-list

INTERPOL has taken responsibility for providing a list of domains containing child sexual abuse content to any (Internet) Access Service Provider (ASP) willing to participate in reducing the availability of such material on the Web.

INTERPOL's "Worst of"-list includes those domains that contain the most severe child sexual abuse material, according to defined criteria.

Participation is free of charge and completely voluntary, and will see Internet traffic redirected away from child sexual abuse material to a "stop page" hosted on an ASP server. The "stop page" will provide a mechanism for complaints about the blocking of a domain. 

Working in partnership

The Crimes Against Children team works closely with a number of different organizations, which work in our field of crime.


INTERPOL's International Child Sexual Exploitation (ICSE) database

8 steps to identifying victims of child sexual abuse