Public WLANs - whether in a café, hotel or at the airport - are a practical solution for saving on roaming costs and staying permanently online. But they are not without risks!
02.12.2025 –Criminals use open networks to obtain personal data.
Protect yourself with these tips:
- Avoid e-banking, online shopping and confidential e-mails when using a public WLAN.
- Encrypt and protect your data by using a VPN (Virtual Private Network).
- Where possible, activate the two-factor authentication for important accounts to ensure additional security.
- Only use secure websites: These begin with "https://" and display a lock or key symbol in the address bar.
- Deactivate the function that automatically connects your device to unknown networks.
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