Moxie Marlinspike is the
pseudonym of a
computer security researcher. His research has focused primarily on techniques for intercepting communication, as well as methods for strengthening communication infrastructure against interception. He is a member of the Institute for Disruptive Studies, former head of the security team at
Twitter, founder of
Open Whisper Systems, and a fellow at the
Shuttleworth Foundation. He runs a cloud-based
WPA cracking service, manages the GoogleSharing targeted anonymity service, and is the author of the
Convergence SSL authentication system.