The problem with any sort of “unbreakable” security scheme is that there are a lot of bad guys out there, and security breaches have real monetary value to organized crime and government surveillance agencies. No malware can bypass basic electrical connections. An earlier webcam implementation in pre-2008 Apple laptops was vulnerable to a firmware exploit, but a lengthy treatise by John Gruber of Daring Fireball quotes an unnamed Apple engineer as saying that this exploit is now impossible, because the connection is direct. That means the webcam cannot receive power without turning on the light.
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In theory, malware can’t activate your Mac’s webcam without your knowledge, because the indicator light is wired in series to the webcam. Our reporting on Apple’s warning against closing a MacBook with a webcam cover installed (see “ Don’t Close Your MacBook with a Webcam Cover Attached,” 14 July 2020) sparked an interesting TidBITS Talk discussion about Mac webcam security. 1646: Security-focused OS updates, Photos Workbench review, Mastodon client wishlist, Apple-related conferencesįeeling Paranoid? Micro Snitch Tells You If Your Mac Is Spying on You.
#1648: iPhone passcode thefts, Center Cam improves webcam eye contact, APFS Uncertainty Principle.#1649: More LastPass breach details and 1Password switch, macOS screen saver problem, tvOS 16.3.3 fixes Siri Remote bug.#1650: Cloud storage changes for Box, Dropbox, Google Drive, and OneDrive quirky printing problem.
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