If you close your Mac Notebook with a camera cover on it, your display may be damaged. Mac notebooks contain a camera indicator light to let you know when the camera is on, which is designed to preserve your privacy.
Because the gap between the display and the keyboard is constructed to very tight tolerances, closing your Mac notebook with a camera cover-mounted may damage your display. Covering the built-in camera may interfere with the ambient light sensor, making functions like automatic brightness and True Tone unavailable. Access the camera indicator light instead of a camera cover to see if your camera is active, and choose which programs can use your camera in System Preferences.
Keep an eye out for the camera's green warning light.
Apple devices are built to preserve your privacy and give you control over your data. Innovative privacy methods and approaches are built into our products and features to limit how much of your data we — or anyone else — can access.
Furthermore, robust security features assist ensure that no one other than you has access to your data. The FaceTime HD camera integrated into your Mac computer is designed with your privacy in mind, and it employs a green camera indicator light while it's engaged. As a result, you'll always know when the camera is turned on. The camera is designed in such a way that it cannot turn on without the camera indicator light turning on as well. This is how you'll know if your camera is switched on.
You can choose which apps are allowed to use the camera.
You can control which apps have access to the built-in camera as an added security safeguard. You must first provide permission for any program to utilize your camera with macOS Mojave or later. Learn how to control access to the camera on your Mac in System Preferences to check which programs have permission to use your camera and to remove or allow app access. If your workplace necessitates the use of a camera cover at all times, If you must cover the camera on your Mac notebook because of your work environment, follow these tips to avoid damage the display: Make sure the camera cover isn't any thicker than a standard sheet of printer paper (0.1mm). Use a camera cover that doesn't leave any sticky residue. Remove any camera covers that are thicker than 0.1mm before closing your computer. Find out more. Learn what to do if your Mac's built-in camera isn't working Information on third-party items or websites that are not controlled or approved by Apple is provided without recommendation or endorsement. Apple disclaims any liability for the selection, performance, or usage of third-party websites or products. Apple makes no guarantees about the accuracy or trustworthiness of third-party websites. For further information, contact the vendor.
You can also read my previous blog post about the most common types of cyber attacks here