Signal Your Support
Signal Blog16 May 2022
People around the world count on Signal for things as simple as sharing moments of celebration like a graduation or as high stakes as coordinating a protest. We’ve got your back no matter what!
Signal Blog
signal.orgadded August 2026
top 6%New year, new CEO
Signal Blog10 Jan 2022
It’s a new year, and I’ve decided it’s a good time to replace myself as the CEO of Signal. I have now been working on Signal for almost a decade.
How to build large-scale end-to-end encrypted group video calls
Signal Blog15 Dec 2021
Signal released end-to-end encrypted group calls a year ago, and since then we’ve scaled from support for 5 participants all the way to 40.
Become a Signal Sustainer
Signal Blog1 Dec 2021
Signal has no data to sell, no advertisers to sell it to, and no shareholders to benefit from such a sale.
Improving first impressions on Signal
Signal Blog1 Nov 2021
The phenomenon of unsolicited and unwanted messaging dates back to the earliest communication platforms: from prehistoric cave graffiti and postal chain letters to popup ads and robocalls.
Embrace ephemerality with default disappearing messages
Signal Blog10 Aug 2021
As the norms for how people connect have changed, much of the communication that once took place through the medium of coffee shops, bars, and parks now takes place through the medium of digital...
Exploiting vulnerabilities in Cellebrite UFED and Physical Analyzer from an app's perspective
Signal Blog21 Apr 2021
Cellebrite makes software to automate physically extracting and indexing data from mobile devices.
Update on beta testing payments in Signal
Signal Blog13 Apr 2021
As the world stands today, the future of transaction privacy does not look great. The existing landscape is dominated by traditional credit companies, who over the past decade have been steadily...
Help users in Iran reconnect to Signal
Signal Blog4 Feb 2021
Just over a week ago, we announced that Iranian censors had started blocking all Signal traffic in the country.
No, Cellebrite cannot 'break Signal encryption.'
Signal Blog23 Dec 2020
Yesterday, the BBC ran a story with the factually untrue headline, “Cellebrite claimed to have cracked chat app’s encryption.” This is false.
Link Up with Group Links
Signal Blog28 Oct 2020
We recently released a new version of Signal groups with group admins, @mentions, permissions, and more.
Research on your terms
Signal Blog26 Oct 2020
Signal has always benefitted from our engaged and supportive community, and wouldn’t be what it is without your input and feedback.
Multi-device calls with ICE forking
Signal Blog20 Oct 2020
Now that voice and video calls are available for everyone on Signal Desktop and iPad, in addition to our mobile clients, we want to share a closer look at the technology that makes it possible for...
New Features Coming to Signal Groups
Signal Blog14 Oct 2020
Whether it’s staying in touch with family and friends, planning a party, scheduling an event, getting work done, or organizing for change, group chats are an increasingly important part of Signal.
Accept the unexpected: Message requests are now available in Signal
Signal Blog12 Aug 2020
The number of people who join Signal every day is still growing at a record pace. With so many new conversations getting started, we’ve heard from a lot of users that they’d like more control over...
Certifiably "F"ine
Signal Blogby Question authority1 Jul 2020
Sometimes people dive into Signal’s code looking for domain names, and then they send us screenshots asking if they should be concerned: We reply with a short explanation that lays out why there’s...
Your next upgrade deserves an upgrade
Signal Blog9 Jun 2020
Signal iOS now includes a new feature that makes it possible to switch to a brand-new iPhone or iPad while securely transferring Signal information from your existing iOS device.
Looking back at how Signal works, as the world moves forward
Signal Blog5 Jun 2020
In the midst of world-wide protests against racism and police brutality, a lot of people are becoming more immediately aware and concerned about the security of their data and online communication.
Blur tools for Signal
Signal Blog3 Jun 2020
Right now, people around the world are marching and protesting against racism and police brutality, outraged by the most recent police murders of George Floyd and Breonna Taylor.