In order for Kaspersky Free to fully support browsers, the Kaspersky Protection extension has to be installed and enabled in browsers. Kaspersky Free uses the Kaspersky Protection extension to inject a script into traffic. The application uses this script to interact with the web page. The application protects data transmitted by the script using a digital signature. Kaspersky Free can embed the script without using the Kaspersky Protection extension.
Kaspersky Free signs data transmitted by the script using the installed anti-virus databases and requests to Kaspersky Security Network. The application sends requests to Kaspersky Security Network regardless of whether or not you accepted the terms of the Kaspersky Security Network Statement.
Installing the Kaspersky Protection extension in Chromium-based Microsoft Edge, Mozilla Firefox, and Google Chrome
The Kaspersky Protection extension is not automatically installed in Chromium-based Microsoft Edge, Mozilla Firefox, and Google Chrome. If the Kaspersky Protection extension is not installed in the browser, the application prompts you to go to the extensions download page and manually install Kaspersky Protection when the browser is started.
Yandex Browser support
When using Yandex Browser, the following application components are operating: