How does a VPN work?
Without a VPN, your internet provider carries requests directly to online services. A VPN first encrypts traffic to its server; the server then forwards the request using its own network address.
Your device
→
Encrypted tunnel
→
Open internet
When is a VPN useful?
◈
Public Wi‑Fi
Protect traffic from casual observation on shared networks.
◎
Remote work
Create a safer path to services while working away from trusted networks.
⌁
Travel
Keep a familiar, private connection when local networks behave differently.
A VPN is protection, not invisibility
A VPN does not remove malware, stop every tracking technique, or hide activity from a service you sign into. Strong account security, software updates, and careful sharing still matter.
What should you look for?
- A clear policy describing data the service does and does not retain
- Independent audits with meaningful, published scope
- Modern protocols, safe defaults, and prompt security updates
- Ownership, jurisdiction, and business model you can understand
Proton is an independent concept and is not affiliated with Proton AG or Proton VPN.