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Using public Wi-Fi safely: a realistic guide

Airport, hotel and café Wi-Fi without the scare stories: what the real risks are and the few habits that actually protect you.

You’ve probably seen dramatic claims about hackers stealing everything the moment you join café Wi-Fi. The reality is calmer: most websites and apps now encrypt their traffic with HTTPS. But public networks still have real weak spots, and a few simple habits cover them.

What the real risks are

  • Fake hotspots. Anyone can create a network called “Airport Free WiFi”. If you join it, its owner handles all your traffic.
  • Captive portals and login pages. The “accept terms” pages hotels use are an easy place to trick people into typing passwords or card details.
  • Visible activity. Even with HTTPS, the network can see which websites and services your phone connects to.
  • Unencrypted apps. Some older apps and devices still send data without encryption.
  • Other devices on the network. On a poorly set-up network, other people’s devices can see and probe yours.

Habits that actually help

  1. Check the network name with staff before joining. Prefer networks with a password.
  2. Use a VPN. It encrypts all your traffic to the VPN server, so the Wi-Fi owner and other guests only see encrypted data going to one address. Connect as soon as you’re on the network.
  3. Never type passwords into a portal page. A hotel Wi-Fi page may ask for your room number; it should never ask for your email password.
  4. Keep your phone updated. Security updates fix the weaknesses attackers use.
  5. Turn off auto-join for networks you don’t use regularly, so your phone doesn’t connect to a look-alike network by itself.
  6. Use mobile data for sensitive tasks if you’re unsure about a network.

Does a VPN make public Wi-Fi completely safe?

It removes the network from the equation, which is most of the risk. It doesn’t protect you from phishing sites, fake apps or malware, so keep an eye on what you tap.

A quick routine

Join the network → accept the portal terms → tap the berry (or your VPN’s connect button) → browse. That’s ten seconds for a lot of peace of mind.

Berry VPN is our own app.

Frequently asked questions

Is public Wi-Fi safe with HTTPS?

HTTPS protects the content of pages you visit. A VPN adds protection for everything else on your device and hides which sites you connect to from the Wi-Fi network.

Should I do online banking on public Wi-Fi?

Banking apps use strong encryption, but if you can, use mobile data or a VPN for sensitive tasks.