Explore microarchitectural attacks and defenses in this 35-minute Black Hat conference talk. Delve into the concept of a futuristic CPU that theoretically eliminates all known microarchitectural side effects. Examine the state-of-the-art in this field, then investigate potential vulnerabilities in seemingly flawless hardware. Learn about page cache attacks, their implications for both Linux and Windows systems, and countermeasures against these threats. Discover how these attacks can impact pseudorandom number generation and UI redressing. Gain insights into performance optimization techniques and their security implications. Presented by Daniel Gruss, Erik Kraft, Michael Schwarz, and Trishita Tiwari, this talk offers a comprehensive look at cutting-edge research in hardware security.