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Explore the technical architecture and operational challenges of running Have I Been Pwned, a service handling over 12 billion requests per month with just a two-person team. Learn how to manage massive scale infrastructure supporting over a terabyte of constantly queried data, paying subscribers, public APIs, and unpredictable throughput patterns while maintaining constant uptime requirements. Discover the specific technologies, frameworks, and infrastructure decisions that enable such efficient operations at hyperscale. Gain insights into real-world learnings, gotchas, and hard-won lessons from operating one of the internet's most critical security services. Understand practical strategies for maximizing infrastructure efficiency and framework performance when dealing with never-ending data streams and security breach information.