One of John Le Carre's spy novels was build around this idea [0]. His novel happens to revolve around an anti-israeli activist tricked into spying for israeli i

One of John Le Carre's spy novels was build around this idea [0]. His novel happens to revolve around an anti-israeli activist tricked into spying for israeli intelligence, but at the core it's a study in the difficulties an individual faces trying to reliably validate the identity behind a well-funded "social engineering" attack. [0] https://en.wikipedia.org/wiki/The_Little_Drummer_Girl https://en.wikipedia.org/wiki/The_Little_Drummer_Girl