Does it protect my messages from snooping? Masha Kolenkina Updated October 10, 2017 16:44 Yes, Signal protects your messages using end-to-end encryption when you are communicating with other Signal users. Related articles Is it private? Can I trust it? How do I verify the person I'm chatting with is who they say they are? Does my contact need Signal? Does Signal send my number to my contacts? What does the verification SMS from Signal look like?