Who Defends Your Phone: Robots or Humans?

At the start of this month, Google sent a message to Android malware authors: No more Mr. Nice Guy. In a blog post, engineering vice president Hiroshi Lockheimer wrote that Google had been scanning Android Market apps "for a while now" with an automated routine called Bouncer.
Lockheimer's post explained that Bouncer inspects apps for known malware and troubling behavior, in part by running them on simulated Android phones. It works, he said: "Between the first and second halves of 2011, we saw a 40 percent decrease in the number of potentially malicious downloads from Android Market."

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