Digital security risks don’t disappear when you travel – in fact, they often grow. Stolen passwords, exposed personal info, and unauthorized access to bank accounts are some dangers. Using unfamiliar Wi-Fi networks or leaving your device unprotected makes you even more vulnerable. At TooSIM, we share practical tips to stay safe and explain why eSIM is often the smarter choice.
Don’t Log Into Sensitive Accounts on Public Wi-Fi
Open Wi-Fi networks lack data encryption (WPA2/WPA3), meaning that information is transmitted in plain text, which can be easily intercepted. HTTPS is also often absent, making details like your IP address and visited websites easy to detect. You could also connect to fake networks specifically set up by hackers to steal personal data. For these reasons, public Wi-Fi in parks, cafes, shops, and stations is an unsafe option.
Protect Data with a VPN
You can use VPN services to encrypt your data: by hiding your IP address, it becomes much harder to track your location, search history or entered passwords.
Note: Paid services provide stronger encryption without slowing down your internet and offer a wide range of locations, though there are also some good free options available.
If you need to use public Wi-Fi, we recommend always enabling a VPN. This approach also helps when you need to bypass local restrictions.
Secure Accounts with 2FA
For important accounts such as banking apps, exchanges, crypto wallets, and email, enable 2FA for added security. In addition to your regular password, which can be easily compromised, you’ll need to enter a special verification code from an app or via SMS.
For example, if you’ve purchased a travel eSIM for affordable internet, you can still use your home SIM to receive texts for authentication.
Top 2FA apps include:
- Google Authenticator;
- Microsoft Authenticator;
- 2FAS.
These apps are free and available for download on both Google Play and the App Store.
Turn Off Wi-Fi & Bluetooth Auto-Link
By disabling auto-connect you protect yourself from unsafe public Wi-Fi, fake networks, and Bluetooth-based data interception attacks. Here’s how to do it quickly through your device settings:

- iPhone: Open «Settings», then «Wi-Fi». Find the option «Ask to Join Networks» and set it to Off. Go back to «Settings», open «Bluetooth» and turn off «Bluetooth» or disable «Allow New Connections».
- Android: Open «Settings», then «Connections» (or «Network & Internet»), tap «Wi-Fi», and turn off «Connect automatically». Go back to «Settings», open «Connected devices» (or «Bluetooth»), and turn off «Bluetooth»/«Visibility».
Stay Safe Online with a TooSim eSIM – Forget Risky Wi-Fi
TooSIM Travel eSIM is not only more cost-effective than roaming but also ensures your security. You won’t need to rely on unsafe Wi-Fi, as you’ll have protected mobile internet with the ability to switch between local networks for the best signal. All transmitted data is encrypted according to mobile communication standards:
- GSM;
- LTE;
- 5G.
Conclusion
Top tips for digital security while traveling: avoid connecting to public networks, turn off auto-connect for both Wi-Fi and Bluetooth, and use 2FA and VPN services. To stay online safely without risking data leaks, get a TooSIM travel eSIM before your trip. We offer plans for every country.