About the Author

Micah Lee is an investigative journalist, computer security engineer, and open source software developer who is known for helping secure Edward Snowden’s communications while Snowden leaked secret NSA documents. Lee is the director of information security at The Intercept and an adviser to the transparency collective Distributed Denial of Secrets. He’s a former staff technologist for the Electronic Frontier Foundation and a co-founder of the Freedom of the Press Foundation. Lee is also a Tor Project core contributor, and he develops open source security and privacy tools like OnionShare and Dangerzone.

About the Technical Reviewer

Jennifer Helsby is a core engineer at Penumbra Labs, where she works on applied cryptography. Previously, she was the lead developer for the SecureDrop project, which enables private and anonymous communications between journalists and their sources, and a postdoctoral researcher at the Center for Data Science and Public Policy at the University of Chicago. She received a PhD in astrophysics at the University of Chicago in 2015.