Explore the showdown between Cypress, Rest Assured, and Postman in managing cookie-based authentication during this DevConf.CZ 2024 conference talk. Delve into the intricacies of cookie capture, session management, and automated login flows through code demonstrations and real-world scenarios. Compare the speed and stability of Cypress's UI automation against Rest Assured's API control and Postman's user-friendly approach. Evaluate each tool's integration capabilities and versatility in handling diverse authentication setups. Gain insights to determine the most effective tool for mastering cookie-based authentication in web application security.