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Public Wi-Fi is safer than it used to be, because most websites now encrypt your connection. But it still carries real risks, especially fake networks and unsecured apps. Here’s what to watch for and how to protect yourself in a few minutes.
The real risks
- Fake “evil twin” networks: a criminal sets up a hotspot named “Airport_Free_WiFi” or something close to the real name. If you connect, they can watch your traffic or show you fake login pages.
- Unencrypted sites and apps: anything without HTTPS can be read by others on the network.
- Snooping on shared networks: on open networks, other users can sometimes see your device or traffic.
- Auto-connect: your phone may silently rejoin a network with a familiar name, including a fake one.
8 simple ways to stay safe
- Confirm the network name with staff before you connect.
- Look for the padlock (HTTPS) before entering any password or card number.
- Use a VPN to encrypt everything leaving your device, not just websites. Reputable options include NordVPN, Surfshark, and Proton VPN (which has a free plan).
- Turn off auto-connect for public networks, and “forget” them when you leave.
- Turn off file sharing and AirDrop (or set it to Contacts Only) in public.
- Avoid sensitive tasks like banking on public Wi-Fi unless you’re using a VPN or your phone’s data.
- Use your phone’s hotspot instead when in doubt. Your cellular connection is generally safer than open Wi-Fi.
- Keep two-step login on so a stolen password alone isn’t enough.
For me it’s airports more than anywhere else, along with coffee shops when I’m out working. Those are exactly the spots where I make a point of turning on a VPN first.
Do you really need a VPN for public Wi-Fi?
If you only browse HTTPS websites, you’re reasonably protected without one. A VPN adds protection for apps, older sites, and fake networks, and it hides what you’re doing from the network owner. If you use public Wi-Fi regularly, for work or travel, a VPN is one of the easiest upgrades you can make. Learn more in What Is a VPN? or compare options in NordVPN vs Surfshark vs Proton VPN.
Quick checklist before you connect
- Right network name, confirmed with staff
- VPN on
- File sharing off
- Padlock in the address bar before logging in