Free public Wi-Fi is available almost everywhere. Whether you are at the local coffee shop, department store, restaurant or bar, there is a good chance that an open Wi-Fi network is there just waiting for you to connect.

If you decide to take advantage of the offer, how can you make sure that your data stays secure? Here are some simple ways to stay safe with public Wi-Fi while on your Android device -- though many of these tips are actually true for any mobile devices.

Google has helped improve online security for everyone by strongly encouraging websites to use HTTPS through changes to their search rank algorithms. This is a welcome step that improves security without any affirmative action by users, and an HTTPS connection creates a secure, encrypted tunnel between your device and the server hosting the website that you are visiting.

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