There are many different reasons as to why someone would try to gain access to your phone. The most common ones include suspicious spouses, business owners, caring parents, thieves. If you find that your phone or tablet had been stolen, you should take all preventative measures to ensure that no one is abusing any sensitive information from the target device. However, you can easily control unauthorized access. You can use specific tools that allow you to block and delete all data from your device remotely.