Martin Shelton – Medium

Martin Shelton

Bitwarden for Beginners

Passwords are often the only thing standing between a hacker and your online accounts. This guide will introduce you to using Bitwarden to…

Feb 27, 2021

A screenshot of an empty Bitwarden password vault.

Feb 27, 2021

Locking Down Signal: A Guide for Journalists

The encrypted messaging app, Signal, is quickly becoming a newsroom staple for communicating with sources, accepting tips, talking to…

Nov 9, 2018

Locking Down Signal: A Guide for Journalists

Nov 9, 2018

Two-Factor Authentication for Beginners

Passwords are the brittle wall that keep unwanted visitors out of your accounts. When it comes to account protection, two-factor…

Jul 25, 2018

“A title card reading “two-factor authentication,” with an image of a login form, two-factor authentication codes on a phone, and a “sign in” button.

Jul 25, 2018

What Does Private Browsing Mode Do?

Most popular web browsers support two types of windows: ordinary windows and “private browsing” mode. Sometimes private browsing goes by a…

Jul 5, 2018

What Does Private Browsing Mode Do?

Jul 5, 2018

How to GIF

We love animated GIFs because they let us communicate so much with so little. They’re visual, cyclical, and easy to share — powerful…

Jul 3, 2018

How to GIF

Jul 3, 2018

Wire for Beginners

In the crowded world of encrypted messaging apps, few tools stand out.

Jan 19, 2018

Wire for Beginners

Jan 19, 2018

In the Face of Supply Chain Attacks, Stay the Course

We’re witnessing the growth of attacks on supply chains — trusted distribution channels for delivering software and hardware. I want to…

Dec 1, 2017

In the Face of Supply Chain Attacks, Stay the Course

Dec 1, 2017

Using Signal Without Giving Your Phone Number

Encrypted messaging apps like Signal, as well as WhatsApp and Viber, use your phone number as your main username. This means that if I want…

Sep 19, 2017

Using Signal Without Giving Your Phone Number

Sep 19, 2017

How Reporters Can Prepare for Malicious Software

Computers are fragile things. You have to take care of them. When you don’t, their powers can be borrowed or stolen.

Aug 18, 2017

How Reporters Can Prepare for Malicious Software

Aug 18, 2017

How to Lose Friends and Anger Journalists with PGP

A few years ago I began sending hundreds of emails to strangers — many, encrypted.

Jul 14, 2017

How to Lose Friends and Anger Journalists with PGP

Jul 14, 2017

Martin Shelton

Martin Shelton

Writing about security for journalists, as well as beginners. Principal researcher at @freedomofpress. freedom.press/training

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