- Signal is a free messaging app that uses end-to-end encryption to keep your messages private.
- When you send a message, the only people who can see that message are the recipients — not even the company that runs Signal can see what you send.
- You can use Signal to send texts, photos, videos, and voice messages, as well as manage group chats.
- Visit Business Insider’s Tech Reference library for more stories.
Just this year, Signal has become one of the most popular messaging apps around. Favored by tech giants, cybersecurity experts, journalists, government officials, and many more, Signal has gone from a darling secret of the security community to something even the non-tech savvy are using.
Signal is known for its incredible security and wealth of features. On an internet where it seems that more and more businesses are trying to track you, Signal can keep all of your