Explore a comprehensive lecture on safeguarding sensitive user data in cloud and browser environments. Delve into Professor Brad Karp's insights on designing software that adheres to the principle of least privilege and protects sensitive information, even when exploited by attackers. Learn about recent developments in computer science and their implications for data science, with a focus on security measures in cloud computing and web browsers. Gain valuable knowledge on managing large, evolving code bases undergoing rapid concurrent modification. Benefit from the expertise of leading researchers in the field of data science and cybersecurity, and understand the wider implications of algorithms for policy makers. This 54-minute talk, part of the Turing Lectures series, includes a Q&A session and offers a unique opportunity to explore cutting-edge research at the intersection of computer science, mathematics, statistics, and systems engineering.