Use public Wi-Fi more carefully
Check the network name, keep the device updated and choose a safer connection for sensitive tasks.
Follow the method ↓
The answer in 30 seconds
A network offered in a café or station is convenient, but its name alone does not prove who runs it. Other people share the environment, and a captive portal can ask for information you did not expect.
Confirm the network with the venue, avoid automatic joins, use encrypted websites and prefer a trusted mobile connection for sensitive account or payment actions.
Examples to adapt
Ask the venue for the exact network name instead of guessing from the list.
Use a trusted mobile connection or wait until you have one.
Forget the public network if your device would otherwise rejoin it automatically.
Follow the method
- 1Confirm the network
Ask the provider for its exact name and expected sign-in process.
- 2Prepare the device
Install updates, use a lock screen and turn off unnecessary sharing or auto-join.
- 3Choose the task
Use secure sites and defer sensitive actions if the network or login page is uncertain.
- 4Disconnect
Turn off the connection and remove an unneeded saved network after the visit.
A checklist to keep
Use these checks to record what you found. The grid supports a decision; it does not make one for you.
| Check | What to examine | Action |
|---|---|---|
| Name | Did the venue confirm the network? | Ask |
| Device | Are updates and lock screen active? | Prepare |
| Sharing | Are local shares needed? | Disable |
| Task | Would you enter sensitive data? | Choose |
| Exit | Will the device auto-rejoin? | Forget |
Free, no sign-up. UTF-8 text with semicolon-separated columns.
What to check
A password-protected hotspot can still be shared widely.
HTTPS protects traffic to the shown domain but does not prove the site is the intended one.
A VPN does not repair an infected device or a fraudulent website.
Common questions
Is mobile data always necessary?
No. Match the connection choice to the sensitivity of the task and what you know about the network.
Should I accept a certificate warning?
No. Stop the sensitive action and check the service through another trusted route.
Sources and documentation
Documentation consulted on . Examples are illustrative; interfaces and results may change.