Find out what hashing is, and how this technology, which is frequently used by forensic investigators, is vital to the fight against child sexual abuse crime.

In our series on the Technical Model National Response and technologies that are used to find online child sexual abuse material, we now look at web crawlers and how they can be built to look for this illegal material.

There are different types of filtering options, but in the most basic of explanations all filter technologies look at web traffic that passes in and out from the company and decides what is allowed to pass through.

We’re running a series of blog posts that look at some of the technologies available to tackle child sexual abuse material. First out is blocking.

We are looking at the many different technologies that are available to tackle child sexual abuse material and the role that these technologies play in safeguarding devices and the Internet.