SIM HIJACKING: It's a dangerous form of digital hijacking, And it uses a really simple ruse. IT security experts describe 'SIM swapping' is a growing nightmare. It is difficult to figure out how many mobile phone users have been hit by a SIM swap fraud. Customers, the banks, phone companies and the courts are all drawn into the money trail left by SIM swapping hackers. SIM swap fraud cases have emerged in different parts of the world, including the UAE.