Cell Phone Forensics - Is There a Hacker?

Hackers are looking for ways to make their application so that this software can't be found. One of the, that's one of the big things on cell phone forensics these days is that certain apps like the messages can't be extracted from the phone. So if a black cat or bad actor or even a researchers look into this data set what they're looking for is those techniques. It could be just a set of steps that would allow perhaps the automation of extracting information from an app.