It Seemed Like a Popular Chat App. It’s Secretly a Spy Tool.

But the service, ToTok, is actually a spying tool, according to American officials familiar with a classified intelligence assessment and a New York Times investigation into the app and its developers. It is used by the government of the United Arab Emirates to try to track every conversation, movement, relationship, appointment, sound and image of those who install it on their phones.

ToTok, introduced only months ago, was downloaded millions of times from the Apple and Google app stores by users throughout the Middle East, Europe, Asia, Africa and North America. While the majority of its users are in the Emirates, ToTok surged to become one of the most downloaded social apps in the United States last week, according to app rankings and App Annie, a research firm.

ToTok amounts to the latest escalation in a digital arms race among wealthy authoritarian governments, interviews with current and former American foreign officials and a forensic investigation showed. The governments are pursuing more effective and convenient methods to spy on foreign adversaries, criminal and terrorist networks, journalists and critics — efforts that have ensnared people all over the world in their surveillance nets.

Persian Gulf nations like Saudi Arabia, the Emirates and Qatar previously turned to private firms — including Israeli and American contractors — to hack rivals and, increasingly, their own citizens. The development of ToTok, experts said, showed that the governments can cut out the intermediary to spy directly on their targets, who voluntarily, if unwittingly, hand over their information.

A technical analysis and interviews with computer security experts showed that the firm behind ToTok, Breej Holding, is most likely a front company affiliated with DarkMatter, an Abu Dhabi-based cyberintelligence and hacking firm where Emirati intelligence officials, former National Security Agency employees and former Israeli military intelligence operatives work. DarkMatter is under F.B.I. investigation, according to former employees and law enforcement officials, for possible cybercrimes. The American intelligence assessment and the technical analysis also linked ToTok to Pax AI, an Abu Dhabi-based data mining firm that appears to be tied to DarkMatter.

New York Times

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