A stark new warning has just been issued, as a “a global threat exploiting social engineering” tricks its way onto more than 8 million phones. Beware, if you fall victim it could prove devastatingly expensive. These new attacks “lead to extortion, harassment, and financial loss.”

Scammers are preying on loan seekers with a slew of new malicious SpyLoan apps designed to steal their data and their cash.

Downloading an app might not seem like a big deal, but in some cases it can start a domino effect that leads to harassment and more. This week, computer security software company McAfee revealed a list of specific apps to avoid.