Some devices will automatically seek and connect to available wireless networks. And Bluetooth enables your device to connect wirelessly with other devices, such as headphones or automobile infotainment systems. Disable these features so that you only connect to wireless and Bluetooth networks when you want to.

It’s likely someone has asked for your Wi-Fi password when visiting your home. A more convenient and safer alternative than giving it away is to set up a guest Wi-Fi connection. Guest networks can be left open, plus they isolate their traffic from your main SSID, which can prevent the spread of malware.

Is it OK to sign into a website with your Facebook or Google account?