Your next upgrade deserves an upgrade
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. As with every new
Signal Blog
Signal Blog
It's OK to be a little Emojional
The world was a different place when we announced message reactions (https://signal.org/blog/reactions/) back in February, but expressing the way you feel has never been more important. Instead of
Help us encrypt even more faces
It’s been about two weeks since we announced an initiative (/blog/encrypt-your-face/) to distribute versatile face coverings to help support everyone who is self-organizing for change in the
Certifiably "F"ine
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
Accept the unexpected: Message requests are now available in Signal
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
A new platform is calling: Help us test one-to-one voice and video conversations on Signal Desktop
Update: This feature is now available in production. The latest beta release of Signal Desktop includes preliminary support for one-to-one voice and video calls. Call your friends and family on
Multi-device calls with ICE forking
Now that voice and video calls are available for everyone (/blog/desktop-calling-beta) on Signal Desktop and iPad, in addition to our mobile clients, we want to share a closer look at the technology
Research on your terms
Signal has always benefitted from our engaged and supportive community, and wouldn’t be what it is without your input and feedback. As the number of people using Signal has grown, so have our
Adding Encrypted Group Calls to Signal
2020 has seen its fair number of challenges and changes. We’ve all adapted to new ways of staying in touch, getting work done, celebrating birthdays and weddings, and even exercising. As more and
No, Cellebrite cannot 'break Signal encryption.'
Yesterday, the BBC ran a story with the factually untrue headline, “Cellebrite claimed to have cracked chat app’s encryption.” This is false. Not only can Cellebrite not break Signal
Help users in Iran reconnect to Signal
Just over a week ago, we announced (https://twitter.com/signalapp/status/1353839763388649473) that Iranian censors had started blocking all Signal traffic in the country. As an interim solution to
Help us test payments in Signal
The latest Signal betas are rolling out today. Inside, you’ll find performance enhancements, a slew of bug fixes, improvements to the mute settings, and if you’re in the United Kingdom, you’ll
Update on beta testing payments in Signal
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
Exploiting vulnerabilities in Cellebrite UFED and Physical Analyzer from an app's perspective
Cellebrite makes software to automate physically extracting and indexing data from mobile devices. They exist within the grey – where enterprise branding joins together with the larcenous to be
The Instagram ads Facebook won't show you
Companies like Facebook aren’t building technology for you, they’re building technology for your data. They collect everything they can from FB, Instagram, and WhatsApp in order to sell
Embrace ephemerality with default disappearing messages
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
Improving first impressions on Signal
The phenomenon of unsolicited and unwanted messaging dates back to the earliest communication platforms: from prehistoric cave graffiti
Become a Signal Sustainer
Signal has no data to sell, no advertisers to sell it to, and no shareholders to benefit from such a sale. We’re building a different kind of tech – where your data stays in your hands – but
How to build large-scale end-to-end encrypted group video calls
Signal released end-to-end encrypted group calls (https://signal.org/blog/group-calls/) a year ago, and since then we’ve scaled from support for 5 participants all the way to 40. There is no off
New year, new CEO
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. It has always been my goal for Signal to grow