Last year’s revelations about the NSA’s widespread snooping practices sparked plenty of debate over privacy, but also a number of initiatives to up online security. The latest to join the cause is an encrypted email service from researchers at Harvard, MIT and CERN called ProtonMail. Encrypted email services are nothing new, of course, but the people behind ProtonMail believe they’ve successfully gotten around the different shortcomings of services like Lavabit and SilentMail — both of which were forced to shutdown in the aftermath of Snowden’s revelations.