Foreign spies have extended their dark arts to the world of online networking sites and are targeting politicians, business chiefs, and academics, the head of Britain’s security service has warned.
Ken McCallum, director general of MI5, said hostile agents are using so-called “disguised approaches” on an industrial scale to build relationships  to gain national security information.
Current and former civil servants were prime targets because of their experience, and those in in high-tech businesses and in academia were also singled out for grooming.
“Foreign spies are actively working to build relationships with those working in government, in high-tech business, and in academia,” McCallum said.
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