Explore the intricacies of building dictionaries and cracking hashes using Amazon EC2 in this 55-minute conference talk from Derbycon 2012. Delve into hashing fundamentals, cracking techniques, and the decision between building or leasing infrastructure. Examine Amazon EC2 pricing and architecture, and learn about baseline architecture and testing combinations. Discover Hashcat masking syntax and attack results, along with Hashcat[-plus] speed considerations. Analyze constraints in password cracking and explore how EC2 can be applied to other infosec needs. Gain insights into passphrase building and take away valuable knowledge for enhancing your cybersecurity toolkit.