Explore password security concepts and advanced defense strategies in this 55-minute conference talk from Passwordscon 2014. Delve into classic password cracking techniques and defenses before examining recent trends that give attackers an advantage. Learn about naive and selective brute force attacks, predictable password topologies, and real-world examples from organizations. Discover the innovative PathWell system for password topology histogram wear-leveling, including its effectiveness, implementation modes, and potential configurations. Gain insights into measuring topology changes, keyspace reduction costs, and future directions for the PathWell project.