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NordVPN offers VPN technology that encrypts data twice.

TunnelBear encrypts your internet connection to keep your online activity private on any network. It's one of the few VPN providers in the world that publish regular security audits of their network and applications, by a third-party security auditor.

Private Internet Access or PIA for short, has the largest virtual private network capacity across the globe to provide the highest speeds and most encryption. The service prides it self of being privacy-focused and is the only VPN server that has a proven non-log record. Apps provided by Private Internet Access use OpenVPN and WireGuard, two of the latest, most secure protocols. OpenVPN uses AES-128 encryption by default, but you can bump that up to AES-256 in the settings. With Private Internet Access you can also set the data authentication and handshake methods, including RSA-2048 and RSA-4096.

ProtonVPN is a virtual private network service provider operated by the Swiss company Proton Technologies AG, the provider of ProtonMail. Just like ProtonMail, ProtonVPN is a community supported project that aims to build a safer Internet that also protects civil liberties. The service provides a strict no data logging policy, that ensures that no personal data is kept by ProtonVPN. It also has Tor integration and SecureCore servers for additional security if needed. Currently, ProtonVPN provides over 560 servers in more than 40 countries.

With ExpressVPN you can overcome content restrictions and censorship so that you can access video, music, social media, and more, from anywhere in the world. ExpressVPN hides your IP address and encrypts your network data so no one can see what you're doing online. In 2020, both TechRadar and CNET named the service their Editors' Choice

PureVPN is a UK-based VPN service that features kill switch and split tunneling. In total, PureVPN has more than 6,500 encrypted VPN servers and 300,000 anonymous IPs across the globe. The service allow you to choose from 4 different types of activities (Stream, Internet Freedom, Security/Privacy, and File Sharing) and tailor your current connection accordingly.