Security expert: Mobile threats are potentially serious, but rarely seen in the real world. “I can count on one hand the pieces of (mobile) malware I’ve seen installed,” said Ian Robertson. Security companies make their living selling software or services designed to make someone’s network or devices more secure. Security experts predicted that threats and exploits will emerge over the next few years. But the takeaway from a visit to RSA is this: Be careful, but it’s not nearly as dangerous out there as you might think.”]