Firefox Containers

I came across a cool Firefox extension in the Practical Bug Bounty course by TCM Security. This extension is called Firefox Multi-Account Containers by Mozilla Firefox. This extension will enable you to have separate Firefox browser sessions in one web browser.

This can come in handy for penetration testing or bug bounty hunting. Oftentimes you are testing a web application, you need to test as a regular user and as an admin user separately. With the Multi-Account Containers extension, you can test both accounts at the same time. This creates an easy testing environment in the browser where you can proxy your traffic with multiple sessions going through the same browser and proxy.