- Immediate identification of hardware usage through colored light indicators in the menu bar.
- Centralized management of privacy permissions for third-party applications from system settings.
- Differentiation between real-time access detected by the Control Center and permanent permissions granted.
Today, keeping an eye on the privacy of our devices is almost as important as locking our front door. With the number of programs we install on our Macs, it's very easy for an application to sneak in and access sensitive resources without us noticing, potentially turning our computer into an open window into our private lives.
Knowing exactly who can listen to or see us isn't just a matter of paranoia, but of basic digital security . Fortunately, macOS includes powerful tools so we don't have to play blind and can set clear limits on any software that crosses the line with our personal data.
Warning signs: The colored dots
If you notice a small bright dot next to the battery icon or in the menu bar, don't panic, but pay attention. macOS uses a system of visual privacy indicators to alert you in real time. An orange dot means an application is using the microphone, while a green dot indicates the camera is on (either alone or with the microphone). A purple dot means system audio is being recorded, and an arrow indicates your location is being tracked.
It's important to know that the system prioritizes the camera; therefore, if both sensors are active at the same time, you'll only see the color green. Additionally, Apple's built-in cameras have a physical hardware LED that illuminates, although this isn't always the case with external cameras connected via USB, which depend on their respective manufacturers.
How to identify the application on the spot
When you see one of these points and wonder who's in charge, the quickest way is to open Control Center . In the most recent versions of macOS (13.3 and later), the top of this menu will break down exactly which app is using the hardware. However, there's a little trick: sometimes the system will only tell you it's the browser (like Safari or Chrome), and then you'll have to check your open tabs or extensions to find the exact culprit.
Steps to manage and revoke permissions
To thoroughly clean up permissions, you need to go to the heart of the settings. Depending on your macOS version, the path may vary slightly between System Settings and System Preferences . Once there, look for the Privacy & Security section . If you're using an older version, you might have to click a lock icon and enter your password or use Touch ID to make changes.
Within this section, you'll see a detailed list in the left-hand column. If you select Camera or Microphone , a list of all the apps that have requested access will appear on the right. To revoke permission for an app that seems suspicious or that you no longer use, simply uncheck the corresponding box . If the change isn't applied immediately, try restarting the app.
File and folder control
It's not all about audio and video; access to your documents is just as critical. In the same privacy settings, you can manage full disk access and file and folder permissions. Be very careful here: you should only grant full access to programs you absolutely trust, such as backup tools or antivirus software , as this allows the software to read and modify virtually any data on the system.
Important considerations regarding native apps and security
You might notice that some Apple apps, like FaceTime or Mail , don't appear on these lists. This is normal, as their permissions are integrated into the system's functionality. However, other Apple apps, such as iMovie, do allow you to manage their access. To avoid unpleasant surprises, it's best to download software only from the App Store or verified sources, as apps outside the official ecosystem might try to bypass certain restrictions.
If you're unsure whether an app actually needs the microphone to function, it's best to err on the side of caution and deny access. If it turns out the app is useless without that permission, you can always re-enable it by following the same steps. Remember to also keep your system updated, as macOS updates often patch security vulnerabilities that could be exploited by malware for spying.
Maintaining control over your Mac hardware involves combining monitoring visual indicators with regularly reviewing your privacy settings. By restricting access to only the applications you absolutely need and relying on alerts from Control Center, you can make technology work for you without compromising your privacy or exposing sensitive data to unauthorized third parties.