Camera Permissions in Firefox.

And in Safari, visit Preferences, Websites, Camera, and make sure ‘all other websites’ is set to Deny. (Image credit: Microsoft)Disable webcam access by appsControlling browser access to your webcam is a smart way to prevent external attacks, but there’s the possibility that a rogue app might be capturing frames without your knowledge. Fortunately, most platforms have permission-based systems which give you control over what an app can do, and what it can’t.
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