What is a VPN and why do you need one while traveling?
A VPN, or Virtual Private Network, encrypts the connection between your device and a VPN server, from there your traffic carries on into the internet. At home, that's mainly a privacy choice. For many travelers a VPN is a practical addition, especially on public wifi or in countries with internet restrictions: from an extra layer of security on hotel wifi to sometimes accessing services that are restricted in a country.
How does a VPN actually work?
Think of it as an encrypted tunnel between your device and the internet. Your traffic passes through a server run by the VPN provider, which hides your IP address and makes your online activity appear to come from that server's location instead of your own.
Why this matters even more while traveling
- On public wifi networks in hotels and airports, a VPN adds an extra layer of security by encrypting the traffic between your device and the VPN server
- Some countries block services such as news sites, social media, or streaming catalogs, a VPN can sometimes provide access to these, though it doesn't always work
- Some banks flag logins from an unfamiliar location, a VPN with a server in your home country can help in some cases, but it's no guarantee the bank will treat the login as trusted
What a VPN isn't
A VPN doesn't replace strong passwords or two-factor authentication, and it offers no guarantee against phishing. In some countries, such as China, Russia or Iran, using certain VPNs is restricted, so it's worth checking in advance. A VPN can also slow your connection slightly, since all your traffic runs through an extra server and gets encrypted, that's normal. Some providers offer a kill switch: it automatically blocks your internet connection if the VPN drops, so your device doesn't keep going unprotected without you noticing.