How to use public wireless networks safely
Using a public wireless network safely means confirming the exact network name with staff, sticking to sites and apps that show a secure connection, and saving banking and sensitive logins for your phone's cellular data. Turn off automatic joining and file sharing, forget the network when you leave, and use a reputable virtual private network if you use public connections often.
About 10 minutes to learnEveryday skill
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How to do it
- Ask staff for the exact network name, since fake ones with similar names are common.
- Choose the public network option if your computer asks, which turns off sharing.
- Check that sites show a secure connection before you type anything.
- Use cellular data or a personal hotspot for banking and anything with your card number.
- Turn off automatic joining of open networks in your device settings.
- Forget the network in your settings when you leave.
- Use a reputable virtual private network if you work from public networks often.
Common mistakes
- Joining the strongest open network with a name that looks right.
- Logging in to a bank on a cafe network.
- Leaving file sharing on at the airport.
Quick self-check
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Teach this to someone
A one-page sheet for showing a friend, a roommate or a kid: what to say, what to show, and one question to check it landed.
Teach: How to use public wireless networks safely
What to say
Using a public wireless network safely means confirming the exact network name with staff, sticking to sites and apps that show a secure connection, and saving banking and sensitive logins for your phone's cellular data. Turn off automatic joining and file sharing, forget the network when you leave, and use a reputable virtual private network if you use public connections often.
What to show, in order
- Ask staff for the exact network name, since fake ones with similar names are common.
- Choose the public network option if your computer asks, which turns off sharing.
- Check that sites show a secure connection before you type anything.
- Use cellular data or a personal hotspot for banking and anything with your card number.
- Turn off automatic joining of open networks in your device settings.
- Forget the network in your settings when you leave.
- Use a reputable virtual private network if you work from public networks often.
The check question
Ask: How do you know which network is the real one?
Related skills
- How to start using a password manager
- How to shop online safely
- How to secure your home router
- Every skill in Tech and Digital Safety
Words on this page
Sources
- National cybersecurity agency guidance for home users, 2026. Checked September 28, 2026.
Last reviewed . First published .