Security lessons from a Signal group chat

Following CEO Pavel Durov’s arrest, the messaging app is giving more user IP addresses and phone numbers to U.S. authorities
The encrypted messaging app just rolled out a new feature to let users join a call with just a link — groups no longer required
It’s the Digital Security Training team at Freedom of the Press Foundation (FPF), with security news that keeps you, your sources, and your devices safe. If someone has shared this newsletter with you, please subscribe here.In the newsIn its push to rework permissions within Google Chrome desktop …
Even if we encrypt our chats, they yield metadata — data about our conversations. Let’s talk about why it matters.
With Signal’s new username and discoverability features, we’re done giving away phone numbers
We outline important decisions for newsrooms when setting up Signal tiplines
Also available in Spanish.
By the end of 2021, TikTok reached one billion monthly users, becoming one of the most popular social media platforms globally. In the United States, the platform was one of the few that significantly increased its share of users who said they regularly use the platform to get their …
What journalists can do to better manage digital security for sources when reporting on abortion.
Source protection is a paramount concern for journalists in every beat. Platforms like SecureDrop and apps like Signal allow you the ability to securely and privately speak with whistleblowers to break important stories. Beyond protecting the confidentiality of these conversations, however, is the concern for the metadata, or data about data, that identifies who you’ve been talking to.