I think that it is not a problem to create such an app that will pass the security and c an break all setting asn run your camera or get an access to other features. There are such apps as spy apps and editors from topspyingapps.com have done a tremendous job to show you the lists of such apps to make it easier to understand how to get the requried data from any phone and how to switch on your camera. So the only thing you ca do is to inspect your phone daily and try to find where the problem is and deactivate it at once.
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I think that it is not a problem to create such an app that will pass the security and c an break all setting asn run your camera or get an access to other features. There are such apps as spy apps and editors from topspyingapps.com have done a tremendous job to show you the lists of such apps to make it easier to understand how to get the requried data from any phone and how to switch on your camera. So the only thing you ca do is to inspect your phone daily and try to find where the problem is and deactivate it at once.