# Looking back at how Signal works, as the world moves forward

DevFeed: [Looking back at how Signal works, as the world moves forward](<https://devfeed.tech/articles/looking-back-at-how-signal-works-as-the-world-moves-forward-1789.md>)

Original publisher: [Read original article](<https://signal.org/blog/looking-back-as-the-world-moves-forward/>)

Published: 2020-06-05T00:00:00Z

Content type: opinion

Language: en

Sources: [Signal Blog](<https://devfeed.tech/sources/signal-blog.md>)

Topics: [Messaging](<https://devfeed.tech/topics/messaging.md>), [End-to-End Encryption](<https://devfeed.tech/topics/end-to-end-encryption.md>), [Security](<https://devfeed.tech/topics/security.md>), [Encryption](<https://devfeed.tech/topics/encryption.md>), [Cryptography](<https://devfeed.tech/topics/cryptography.md>)

Tags: [communication](<https://devfeed.tech/tags/communication.md>), [data](<https://devfeed.tech/tags/data.md>), [encryption](<https://devfeed.tech/tags/encryption.md>), [messaging](<https://devfeed.tech/tags/messaging.md>), [privacy](<https://devfeed.tech/tags/privacy.md>), [security](<https://devfeed.tech/tags/security.md>), [signal](<https://devfeed.tech/tags/signal.md>), [trust](<https://devfeed.tech/tags/trust.md>)

## AI overview

Signal explains how its privacy-focused design limits the data it stores and can disclose. It uses end-to-end encryption for messages and avoids retaining contacts, social graph data, group information, profile details, location data, trackers, ads, and analytics. The article also discusses what a 2016 US government subpoena revealed about the limited Signal account data available.

## Source excerpt

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. We've gotten a lot of questions at Signal over the past week, so we wanted to briefly recap how it is that we've designed Signal, and how we think about concepts like privacy, security, and trust. Read more...