How to protect your webcam from unauthorized access

by James Williams
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How to protect your webcam from unauthorized access
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How to protect your webcam from unauthorized access
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Once the webcam was developed and popularized around the world, different uses were attributed to the hardware, such as: filming yourself for gameplay, chatting with friends and family, and making professional video calls with co-workers. Despite its ease of use, many cybercriminals take advantage of this device to spy on users around the world.

Below, check out a list of tips that suggest how to protect your webcam from unauthorized access. Security measures range from monitoring the PC via firewall to covering the camera with a cover.

Check which apps have access to the webcam

Have you ever noticed that, when installing an application on your PC or cell phone, they always ask for permission to change some configuration on the machine where they will be installed? Among these permissions, one of the most common is requesting access to your device's camera, which can be an invasion of privacy if the application does not need this access to function.

Image shows the applications that have access to the PC's webcam
Applications with webcam access (Reproduction: Wagner Edwards/afrilatest Digital)

To be sure, you can go into your computer's settings, for example, and find which applications have access to your webcam. This not only allows you to analyze whether this software really needs this connection to work, it can also help you find any strange apps that you don't remember installing.

Go to Settings > Privacy > Camera. At the top of the page, there's a button that allows apps to access your webcam, something you can disable if you want. Further down, a list of software that has access to your camera will appear and you can disable each one you want. Below that is another permission you can change, which prevents desktop apps from also accessing the webcam.

This is the oldest trick of all: stick black tape on the front of your camera or protect it with a cover. Particularly, we recommend the second option, as the glue from a tape can stick to the camera lens and complicate the device's view.

In online stores, you can find sliding covers: the models have a glue that sticks the surface of the cover around the camera and leaves a free sliding “plug”. So, when you need to use the camera, just drag the cover to the side; When you close the lid, the camera view becomes completely dark.

Install software to protect your computer

There are different software (free and paid) that offer security for your computer system, such as firewall and antivirus. Regardless of what you choose, the important thing is to install an application that protects your PC in real time, which should prevent contaminated files from being downloaded and could harm the machine.

image shows a notification on the PC, informing that the antivirus found a threat
Antivirus reports threats on the computer (Reproduction: Ed Hardie/Unsplash)

The best options also work in real time in browsers: they prevent you from opening a dangerous website, viewing contaminated files or any download from being done automatically without your prior permission.

In the case of the webcam, a security program like this can make it difficult for spyware to be installed. Otherwise, a cybercriminal could record images of you and then try to extort you not to share them online, for example.

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Disable the webcam when not in use

Some people have a webcam installed on their computer, but they rarely use it. In this case, it may be a good idea to disable it while it is not in use, which may also make it difficult for it to be accessed or controlled by applications.

To do this, go to Device Manager > Cameras or Imaging Devices > select the device with the right mouse button and click “Disable”.

Keep your PC software up to date

Just as cell phone applications always provide updates, your PC's operating system also does the same thing. Therefore, it is extremely important that you allow the machine to install software updates.

Image shows notebook encountering a software problem (Image: Istockphoto/PUGUN SJ)

This is because each of these updates helps to correct bugs and possible breaches in your computer's security, which can increase your protection against unauthorized access from malware, for example.

Disable remote access to your PC

Some computers allow users to almost completely disable remote access to the system. This method varies according to each software and brand, but it is possible to use it in the most modern versions.

It is recommended that you contact the support center for your operating system or search the internet for a way to deactivate remote access according to your system model. Once this setting is enabled, it will be more complicated for third parties to access and control your PC remotely.

How to protect your webcam from unauthorized access

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