Explore a comprehensive conference talk on Google's efforts to enhance web security for billions of users. Delve into the progress made in client-side security, remaining challenges, and strategies for a safer internet. Learn about encryption, adoption curves, mobile platforms, and security services. Discover how Google tackles issues like devices going dark, app analysis, user warnings, and removal processes. Gain insights into the Google Play ecosystem, Safety Net API, and the role of device makers and carriers in the update process. Understand the complexities of delivering security patches, policy controls, and vulnerability rewards. Examine the intricate world of cybersecurity through the lens of Google's Android Security Director, Adrian Ludwig.