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  1. Signal Support
  2. Security

Security

This section contains common questions regarding safety and reliability of the technology in the apps.

Security FAQ

  • Supporting Older Operating Systems
  • Twilio Incident: What Signal Users Need to Know
  • Signal Profiles and Message Requests
  • What is a safety number and why do I see that it changed?
  • Is it private? Can I trust it?
  • Does Signal send my number to my contacts?
See all 7 articles
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