Research security on the different smart phone OSs (Android, iOS, Windows, etc.)

Describe and classify known attacks on each of these device so What security problems are associated with the devices, how to prevent security problems

Are there any security options that can be turned on with the smartphones?If so, describe each option and how to implement it.

Are there any guidelines for cell phone usage put out by any agencies such as NIST for cell phone usage?If so describe the guidelines

Complete a list of best security practices in using the phone to protect corporate information assuming the phone is used to access this information.