You Can Change Your Number
Millions of people worldwide rely on Signal every day for secure and private communication. Some of these people change their phone number, but want to continue using Signal without registering for a new account. We …
Signal
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 …
How to build large-scale end-to-end encrypted group video calls
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. There is no off the shelf software that would allow us …
How to build large-scale end-to-end encrypted group video calls Read More »
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 …
Exploiting vulnerabilities in Cellebrite UFED and Physical Analyzer from an app’s perspective
Signal 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 called “digital intelligence.” Their customer …
Update on beta testing payments in Signal
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 pushing their networks …
No, Cellebrite cannot ‘break Signal encryption.’
Signal 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 encryption, but Cellebrite never even …
No, Cellebrite cannot ‘break Signal encryption.’ Read More »