ProtonMail is a new service that provides easy to use secure email. ProtonMail's secure email system is designed around the principle of zero access. This means user data cannot be read by ProtonMail and turned over to third parties because ProtonMail servers do not store user encryption keys. The service is backwards compatible with insecure email providers such as Gmail and Yahoo and does not require the installation of any software to use. ProtonMail is based in Geneva, Switzerland and provides users additional protection through extraordinarily strong Swiss privacy laws.