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Barracuda Managed Workplace

Configuring Avast Business Antivirus Policies: Enabling and Configuring Webcam Shield

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Webcam Shield is available for Workstations only, not Servers.

Webcam Shield prevents applications and malware from accessing webcams without the consent of the user. With Webcam Shield enabled, untrusted applications cannot capture images or videos and send the content to computers to compromise privacy.

Webcam Shield determines trusted applications based on Avast Reputation Services, which reviews the application's certification information and analyzes how many users have the application installed.

  1. Click Configuration > Policies > Avast Antivirus.
  2. Click the name of a policy.
  3. Click the Workstation Settings tab.
  4. Click the Active Protection tab.
  5. In the Shields section, move the slider to enable Webcam Shield.
  6. Click Apply Changes.
To Configure Webcam Shield

The settings for Webcam Shield consist of two parts:

  • Mode—Settings that are applied to all applications
  • Applications—A list of applications that are blocked or allowed individually. This list is used in Smart and Strict modes, but No mercy mode blocks all applications.

The end user of the device the AV policy is applied to can also configure settings for Webcam Shield. They can choose a mode and create an application permission list.

When you create your AV policy, the mode you choose overrides the mode the user chooses. You also have the option to replace the user's application permission list with your own, which means that the user's application permission list is ignored.

However, in No mercy mode, no applications are allowed, not even the applications on the application permission list.

To choose the Webcam Shield Mode
  1. Click Configuration > Policies > Avast Antivirus.
  2. Click the name of a policy.
  3. Click the Workstation Settings tab.
  4. Click the Active Protection tab.
  5. Click the Customize link in the Webcam Shield section.
  6. Select one of the following modes:
    • Smart automatically allows trusted applications to access the webcam. If an untrusted application attempts to access the webcam, a notification appears, asking the user to block or allow the application. After selecting an option, the application appears on the Webcam Shield Settings screen, where the user can view its status and select additional actions.
    • Strict notifies the user each time any application attempts to access the webcam and allows the user to decide if the application is blocked or allowed. After blocking or allowing an application, the application appears on the Webcam Shield Settings screen where the user can view its status and select additional actions.
    • No mercy blocks all applications from accessing the webcam. If you choose No mercy, both the user's and AV policy application permission lists are disabled. No applications are allowed to use the webcam.
  7. Click Apply Changes.
To disable users' webcam access list

Webcam application permission lists are only valid in Smart and Strict modes.

End users with Avast Antivirus can set up their own list to block and allow certain applications access to their webcam. You can also set up a list. If you want to disable user lists and use the one you configure, select the Overwrite the application list which was already set by the user check box.

  1. Click Configuration > Policies > Avast  Antivirus.
  2. Click the name of a policy.
  3. Click the Workstation Settings tab.
  4. Click the Active Protection tab.
  5. Click the Customize link in the Webcam Shield section.
  6. Select Overwrite the application list which was already set by the  user.
  7. Click Apply Changes.
To create a webcam access list

Webcam access lists are valid in Smart and Strict modes.

  1. Click Configuration > Policies > Avast  Antivirus.
  2. Click the name of a policy.
  3. Click the Workstation Settings tab.
  4. Click the Active Protection tab.
  5. Click the Customize link in the Webcam Shield section.
  6. Do either of the following in the Applications section:
    • To block webcam access for a specific application, type the path to the application in the box, click the Blocked check box, then click Add.
    • To allow webcam access for a specific application, type the path to the application in the box, click the Allowed check box, then click Add.
  7. Repeat step 6 until you have added all the applications you want to block and allow.

    When you type the path to your application, include the application name and its file extension.

  8. To remove the setting for a blocked or allowed application, click the Delete icon next to the application. Once the permission is removed, the application is subject to the mode you chose in the main settings.

    To help you enter the application path, you can use the environment variables in the Application section.

  9. Click Apply Changes.
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