I think it's happening a lot more than you'd expect:
http://www.bleepingcomputer.com/news/security/over-one-billi...
Self-driving cars are going to be so much "fun" - for hackers.
http://www.bleepingcomputer.com/news/security/over-one-billi...
Self-driving cars are going to be so much "fun" - for hackers.
But at the same time, you also know that only 0.3% of the Android user base is using this year's version, and less than 25% are using last year's version.
The security design of the app should reflect this.