Strategies to protect my device from hack

Here a simple measure you can take to secure you device from hack. Ways your device can be hacked. 1). Through public Wi-Fi connection. 2). Through file sharing, through uknown file download & Bluetooth I.e sharing spy wares. 3). Through app download and installation without knowing you are downloading control viruses. 4). Through clicks on site download of viruse 5). By using USB or memory card on public computers. All these can be used to manipulate your device from a distance 1) THROUGH PUBLIC WIFI CONNECTION. If you are using public wifi connection you a...