In further evidence that mobile is becoming a targeted vector for attackers, a sample of more than 500,000 Android and 400,000 iOS devices found that about 1,000 devices, 60 percent of them Android, were infected by mobile remote access trojan (mRATs), a recent study found.

The study, "Threat Research: Targeted Attacks on Enterprise Mobile," from Lacoon Mobile Security and Check Point Software Technologies Ltd., also revealed more than 20 variants and 18 different mRAT families. 

The research showed that “larger organizations are unevenly targeted by mRATs” and that corporate data at risk included everything from keystrokes and employee location to emails, messages and calls.

The mRATs are particularly dangerous because “they allow the attacker to take advantage of a very powerful set of capabilities installed on a victim's device,” the study said.