Public Wi-Fi2 min read
Look for HTTPS
The padlock means your connection to the site is encrypted.
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Published
A site loaded over HTTPS — shown by the padlock in your browser — encrypts data between you and that site even on open Wi-Fi. Sticking to HTTPS sites adds a layer of protection, though a VPN is still better.
“No padlock on public Wi-Fi means anyone nearby can read along.”