Martin Shelton



Dr. Martin Shelton is a researcher working with at-risk groups on digital security. He is a Knight-Mozilla OpenNews Fellow at the New York Times, and conducts user research with Google Chrome. Martin is also the head of Tinfoil (, a web forum for discussing journalism, media activism, and digital security.


Signal, the secure messaging app: a guide for beginners

Ever wanted to encrypt your calls and texts? With Signal, you can. This guide shows you how.

Why reporters should always turn on Signal’s disappearing messages

The app's easy-to-use "disappearing messages" feature can prevent sensitive conversations from getting into the wrong hands — when used as a part of a larger practice of secure communications.

Security, the gift that keeps on giving

This year we're gifting simple security guidance, which I think we can all agree is better than another internet-connected kitchen appliance.