Mozilla is taking an important security-oriented step with version 153 of the Firefox browser. With this new update, the Container feature, which allows users to isolate their data, is now active by default.

Containers separate browser tabs from each other, preventing information from leaking from one tab to another. While this structure helps protect sensitive information, it also makes it difficult for sites to collect data to create user profiles.

Use and Advantages of Container Feature

Containers, which were previously offered as an optional feature, now come ready with the browser. Users encounter four pre-configured options: Personal, Business, Banking and Shopping.

When opening a new tab, the desired container can be selected by right-clicking on the new tab button. Additionally, container selection can be made mandatory for each new tab from the Tabs and navigation section in the Settings menu.

Thanks to this feature, users can log in to different accounts for the same service within the same browser window. Containers maximize user privacy and security by isolating cookies.

Users can also create their own custom containers if they need it. This flexibility offers a very useful structure for those who want to personalize their browser experience without compromising security.

New Restrictions on Local Network Access

Firefox version 153 also brings new restrictions on local network access. This feature is designed to prevent websites from unauthorized access to devices or services on the local network.

Now, when a website tries to connect to local network devices such as routers, printers, document servers or smart televisions, Firefox asks the user for permission. In this way, it becomes difficult for malicious sites to scan vulnerable devices on the network or track the user.

Users can manage which sites can access local network devices from the Permissions and data section in the Settings menu. Permissions can be easily opened and closed on a site-by-site basis through this section.

This feature, which is currently in the experimental stage, is gradually being offered to users. You can quickly start using these new security tools by downloading Firefox 153 from Mozilla’s official website.

How do you like this update to strengthen your browser’s security features?