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UK Home Office wants to use AI to block terrorist propaganda

by Mark Tyson on 13 February 2018, 12:11

Tags: UK Government

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The Home Office in the UK has collaborated with ASI Data Science to create a tool which can auto-detect terrorist propaganda content online. The tool uses AI, trained from watching over 1,000 Daesh videos, and it is claimed that it can "automatically detect 94% of Daesh propaganda with 99.995% accuracy". Any remaining uncertainties can be filtered by human operatives. Based on the claimed accuracy figures, from a million uploaded videos, for example, only 50 would require additional human review.

Machine learning has resulted in the online tool being highly accurate. Aspects of both audio and video from media content were used in training. Thanks to the leveraging of this AI, the system can "detect terrorist propaganda across a range of video-streaming and download sites in real-time," says the government.

The government announcement comes just ahead of Home Secretary Amber Rudd's trip to Silicon Valley. There in northern California the politician will meet with various tech industry representatives, and US government politicians, to discuss tackling terrorist content online. It is expected that she will share info about the tool developed by the Home Office with ASI Data Science.

According to the Home Office, the new tool can be used by any platform, and integrated into the upload process, "so that the majority of video propaganda is stopped before it ever reaches the internet". Some larger online platforms and companies have developed their own tools to filter out terrorist propaganda and similar video nasties and thus those who want to share and spread such content have turned their attention to a wide range of smaller platforms. Here is where the new tool will be most effective.

YouTube already has AI-based extremist content filtering

In the particular case of Daesh online videos, it is reported that supporters of this group "used more than 400 unique online platforms to push out their poisonous material in 2017". Terrorist sympathisers engaged in a whack-a-mole online repository challenge used 150 new platforms for the first time during the second half of 2017.



HEXUS Forums :: 35 Comments

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Alexa - tell me a recipe for a chocolate bomb?

Alexa - this is the UK national security AI speaking,your speech patterns raised a flag and the police have been despatched to question you.
Alexsha *hic* how do you make an Irish Car Bomb?
I saw a live demo of this on the BBC Breakfast program earlier and honestly it looks VERY advanced, doing real time video evaluation it's not just text posts etc. It's serious tech and I totally agree that it should be made mandatory for social networks / targets operating with a UK presence. It's a minimal investment to tackle a serious evil in the world. And the tech really seems to be very advanced. I look forward to legislation to enforce use of this or similarly effective software.
and yes that seems a bit big brother but we're talking fundamentalist terrorists here not the likes of FSF.
So basically they found an “official” use for Tempora:

https://en.wikipedia.org/wiki/Tempora

After all,you do need to intercept all communications to be able to determine what is propaganda,right??
Soooooo many holes in this.

“automatically detect 94% of Daesh propaganda with 99.995% accuracy”
Sample size? compared to? rate of false positives?
Was it shown 1000 propaganda videos and only correctly flagged 940 of them?
Was it shown 1000000 videos, only caught 940 of the propaganda and incorrectly flagged 24000 videos?

Now I'm saying this because google is using AI on youtube and they are still having all sorts of issues with content being incorrectly flagged.