Explore the cutting-edge world of Man-In-The-Middle (MITM) attacks in this 58-minute conference talk presented by Marcello Salvati at the 44CON Information Security Conference. Dive into MITMf, a Python-based framework that combines new and old MITM techniques, designed for extensibility and reliability. Learn about the limitations of traditional MITM tools and discover how MITMf addresses these issues. Gain insights into Sergio Proxy, its features, and the wishlist that led to MITMf's development. Understand the framework's overview, including NetCreds, configuration options, and various plugins such as SMBTrap, HTML string replacement, and Appcache poisoning. Explore advanced techniques like JavaScript keylogging and browser profiling. This talk is ideal for cybersecurity professionals and enthusiasts looking to update their MITM attack knowledge for the 21st century.