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VPN Security Features

We built ProtonVPN with extra security features to make it better at protecting your privacy than an ordinary VPN.

When you use ProtonVPN to browse the web, your Internet connection is encrypted. By routing your connection through encrypted tunnels, ProtonVPN's advanced security features ensures that an attacker cannot eavesdrop on your connection. It also allows you to access websites that might be blocked in your country.

14 Countries
112 Servers
155 Gbps Capacity

Secure Core

ProtonVPN's Secure Core architecture gives our secure VPN service the unique ability to defend against network based attacks. Secure Core protects your connection by routing your traffic through multiple servers before leaving our network. This means an advanced adversary who can monitor the network traffic at the exit server will not be able to discover the true IP address of ProtonVPN users, nor match browsing activity to that IP.

Secure core servers are located in hardened datacenters in Switzerland, Iceland, and Sweden, protected by strong privacy laws, and operated on our own dedicated networks. Learn More

Strong Encryption

We use only the highest strength encryption to protect your Internet connection. This means all your network traffic is encrypted with AES-256, key exchange is done with 2048-bit RSA, and HMAC with SHA256 is used for message authentication.

 

Forward Secrecy

We have carefully selected our encryption cipher suites to only include ones that have Perfect Forward Secrecy. This means that your encrypted traffic cannot be captured and decrypted later if the encryption key from a subsequent session gets compromised. With each connection, we generate a new encryption key, so a key is never used for more than one session.

 

Strong Protocols

We exclusively use VPN protocols which are known to be secure (OpenVPN). Even though they are less costly to operate, you will not find ProtonVPN servers that support PPTP and L2TP/IPSec. By using ProtonVPN, you can be certain that your VPN tunnel is not using a protocol that has already been compromised.

Swiss Based

In addition to strong technical security, ProtonVPN also benefits from strong legal protection. Because we are based in Switzerland, ProtonVPN is protected by some of the world's strongest privacy laws and remains outside of US and EU jurisdiction. This means that unlike VPN providers based in a fourteen eyes country, we cannot be coerced into spying on our users.

 

Trusted

We are one of the only VPN companies that provide transparency so you know exactly who is running the service. Our team has a long track record in security, having previously built ProtonMail - the world's largest encrypted email service. Whether it is challenging governments, educating the public, or training journalists, we have a long history of fighting for privacy online and contributing to the open source community.

 

Physical Security

We have gone to extreme lengths to protect ProtonVPN's Secure Core servers to ensure their security. Critical infrastructure in Switzerland is located in a former Swiss army fallout shelter 1000 meters below the surface. Similarly, our Iceland infrastructure resides in a secure former military base. Our servers in Sweden are also located in an underground datacenter. By shipping our own equipment to these locations, we ensure that our servers are also secure at the hardware level.

ProtonVPN's Switzerland Datacenter

No Logs Policy

Under Swiss law, we are not obligated to save any user connection logs, nor can we be forced to perform targeted logging on specific users. This allows us to ensure that your private browsing history does in fact stay private and cannot be turned over to a third party under any circumstances.

 

DNS Leak Prevention

ProtonVPN doesn't just protect your browsing traffic, we also protect your DNS queries. By routing your DNS queries through the encrypted tunnel and not relying on third party DNS providers, we ensure that your browsing activity cannot be exposed by leaks from DNS queries.

 

Kill Switch

ProtonVPN desktop and mobile applications come with a built-in Kill Switch feature which will block all network connections in the event that the connection with the VPN server is lost. This prevents a VPN server disconnect from inadvertently compromising your privacy by revealing your true IP address.

 

Tor VPN

ProtonVPN comes with Tor support built-in. Through our selected Tor servers, you can route all your traffic through the Tor anonymity network and also access dark web sites. This provides a convenient way to access Onion sites with just a single click.

Anonymous

We respect your privacy so no personal identifying information is required to obtain a ProtonVPN account. You can sign up with an anonymous ProtonMail email account and use our anonymous VPN without disclosing your identity.

 

High Speed

For optimal performance, we use only high speed servers. All ProtonVPN servers have at minimum 1 Gbps bandwidth, and many of our servers also utilize 10 Gbps connections. This means that even though we utilize only the strongest encryption, ProtonVPN also provides blazing fast speeds.

 

Easy to Use

We understand that it is important for security technology to be easy to use. We have designed the ProtonVPN applications to have a simple and intuitive user interface so that browsing privately and anonymously can be done with a single click. Additionally, you can create custom connection profiles which automatically protect your device whenever you connect to the internet.

Additional Features

P2P Support Unlimited Bandwidth Up to 10 Devices
Professional Support Connection Profiles Quick connect
Modern Interface Multi-platform Support Quick Country Selector

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