In one , they exploited a vulnerability in the way the iPhone handles SMS messages . What 's the biggest security threat to mobile phones ? Losing it . Mobile viruses , worms and Trojans arrive via e - mail and SMS . Do n't pay or accept payments for free Wi - Fi , columnist ##s .
What 's the biggest security threat to mobile phones ? Losing it . Mobile viruses , worms and Trojans arrive via e - mail and SMS . Do n't pay or accept payments for free Wi - Fi , columnist ##s .