Yes, for calls — and that's all. Signal uses Microphone and Camera for encrypted voice/video calls and Screen Recording only if you share your screen on a call. As a privacy-first app, it doesn't request accessibility or full disk access. To check on your Mac, open System Settings, go to Privacy & Security, and review the Camera, Microphone, Screen & System Audio Recording, Accessibility, and Full Disk Access lists for Signal.
Private Messaging
Yes, for calls — and that's all. Signal uses Microphone and Camera for encrypted voice/video calls and Screen Recording only if you share your screen on a call. As a privacy-first app, it doesn't request accessibility or full disk access.
“Used” = needed for a core feature · “Optional” = only for a specific feature · “No” = not normally requested
Mic and camera enable end-to-end-encrypted calls; Screen Recording is only for in-call screen sharing.
Signal is privacy-focused and open-source, so its permission use is auditable. Still, revoke camera/mic if you only message.
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Yes — they're used only for encrypted calls, and Signal is open-source so the behavior is publicly auditable. Grant only if you make calls.
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