Five new threats to your mobile device security

Attacks that proved successful on PCs are now being tested on unwitting mobile device users to see what works -- and with the number of mobile devices with poor protection soaring, there are plenty of easy targets. "Attackers are definitely searching after the weakest point in the chain," and then honing in on the most successful scams, says Lior Kohavi, CTO at CYREN, a cloud-based security solutions provider in McLean, Va.