The UK government claims the tool is able to detect 94pc of ISIS-related propaganda with 99.9pc accuracy. Rudd said she was keen for social media companies to adopt similar automated approaches to speed up the removal of terrorist content online.
ASI Data Science said the software can be configured to detect 94% of IS video uploads. While the social network says that it has made progress in the detection and removal of such content, the unveiling of a new government-backed system would seem to indicate that the United Kingdom government is unhappy with the speed at which things have progressed, or that it prefers the idea of being in control of the detection tool itself.
Rudd visited the USA to meet tech companies to discuss the idea, as well as other efforts to tackle extremism.
Dr Marc Warner from ASI Data Science spoke to BuzzFeed News about the project, saying it is an AI algorithm, which works by "spotting subtle patterns in the extremist videos that distinguish them from normal content, from the rest of the internet".
In Silicon Valley, the home secretary told the BBC the tool was made as a way to demonstrate that the government's demand for a clampdown on extremist activity was not unreasonable.
Mrs May has also frequently cajoled internet companies such as Facebook and Twitter to do more to prevent safe spaces online that allow extremism to proliferate.
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Siri is limited predominantly to Apple services right now, which includes communications features, like messages and phone calls. Siri also pulls up whatever other information on businesses and such, including opening hours and how many stars it has on Yelp.
"It's a very convincing example of the fact that you can have the information you need to make sure this material doesn't go online in the first place", said Judd.
The tool is intended primarily to be used by smaller companies.
The company said it typically flagged 0.005% of non-IS video uploads.
She discussed the new anti-terror tool on her visit during talks with internet service providers in the country as part of the Global Internet Forum to Counter Terrorism, which was launched a year ago in the aftermath of the UK Parliament attack in March 2017.
The new tool has been developed for use by smaller platforms who may not have the the resources to develop their own prevention technologies.
However, the bigger challenge is predicting which parts of the internet the terrorists will use next. New Home Office research shows that 145 new platforms from July until the end of 2017 had not been used for terrorist content before.