- Recently, the Transportation Security Administration published a post on Facebook warning travelers not to charge their devices using USB ports.
- It was also advised to avoid entering personal information when using public Wi-Fi at airports.
- Travelers can protect themselves by taking several precautions.
After the check-in chaos and security checkpoints there is a ritual that almost feels sacred: find a seat close to your gate, plug in your phone and take a breather by scrolling through your emails or TikTok.
TSA warns that these little comforts may come with a price. In a March 2025 Facebook postThe IT team of the agency warned travelers to be careful when using public USB ports or logging on to public Wi-Fi. This could expose their personal information to hackers.
Hackers can infect an airport USB port that is not protected with malware. This is one of the biggest mistakes made by travelers. Hackers can export your personal data by using the USB connection once you’ve plugged it in. This is known as “port jacking” and “juice-jacking.”
To protect yourself, you can purchase a USB data blocker, which only allows for your device to be charged—without transferring data. You could also plug your phone directly into the wall charger instead of a USB port. Charge your devices by using a TSA-compliant battery pack What should I do? always go in your carry-on bag Never check your bag (and never, ever do so).
TSA warns also against using public Wi-Fi. This includes free airport Wi-Fi. These networks are dangerous if you need to enter sensitive data, like credit card numbers or social security number. Hackers have also been known to exploit unsecured networks by using a technique called the “man-in-the-middle” attackHackers can set up Wi-Fi hotspots that look like free WiFi networks. Hackers can access all of your data when you connect.
The safest thing to do is to rely on your phone’s data while at the airport—or in any public place. You should also confirm that the connection is real. official airport Wi-Fi. Consider a virtual network (also known as a VPN) for an additional layer of protection. A VPN can further encrypt and mask your IP (a unique identifier assigned to all devices connected to the Internet).
It’s tempting to recharge and relax at the airport, but it’s important to take a few precautions to safeguard your data. Avoid public WiFi and charge your devices from wall outlets. If you absolutely must use it, then a VPN is the best option. A little awareness can go a long way in keeping your personal information safe—all before you board the plane.