Many Isis supporters, who often refer to themselves as “fanboys”, have little technical knowledge and it is difficult to convince them to use encryption software, one counter-terrorism organisation told Computer Weekly. It is very much advisable that phones be avoided & instead use PCs with TOR and TAILS.” The Kenyan said in a letter smuggled out of prison: “Tell all KN and CCA teams to be very careful online. It was only when one of Ullah’s contacts in Kenya was arrested on 29 April 2016 that attempts were made to persuade fellow Isis supporters to adopt stronger forms of encryption. Ullah’s Isis contact replied: “And they say telegram with virtual sim or open vpn is enough protection.”Īnother message reads: “Dawla security groups seem to be very stubborn and not very flexible.”
They say threema is the best, then signal, and in extreme case chat secure. Ullah, who was jailed for eight years in May 2017 after posting encryption training videos on an Islamist blogsite, sent messages to an unidentified Isis supporter raising concerns that the terror group’s supporters were not using more secure communications tools. Police also retrieved a guide to ChatSecure, another mobile phone chat app, from Ullah’s computer. “Internet terrorist” Samata Ullah communicated with Isis supporters on a Telegram discussion group known as the Khayr group. The messages between supporters recovered by police and the FBI investigating an “internet terrorist” reveal that Isis supporters’ preferred method of communication is mobile phone apps Telegram Threema, ChatSecure and Signal, which are designed for people with little or no technical knowledge. Isis has claimed responsibility for the Manchester and London attacks and has also been linked to atrocities in Paris, Germany and Brussels.Ĭonfidential messages show that Isis supporters had little interest in encryption techniques to hide their web browsing activities, or to create a secure version of propaganda websites that would be difficult for law enforcement to censor or take down. The disclosures come as the UK government prepares to introduce new restrictions on encryption following the terrorist attacks that killed more than 20 people, including children, at a concert in Manchester, and killed eight and injured 47 at London Bridge.
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