Explore a conference talk from Conf42 Chaos Engineering 2023 featuring Ravi Bellam, Chris Ashton, and Rohith Gundreddy discussing Microsoft's shift-left approach. Delve into strategies for building resilient distributed systems and addressing certificate outages. Learn about the importance of proactive measures in chaos engineering and how Microsoft implements these practices. Gain insights from industry experts on improving system reliability and preventing potential failures before they occur in production environments.