Explore a thought-provoking conference talk from USENIX Enigma 2020 that delves into the dual nature of Stack Overflow's impact on software security. Discover how this popular platform for developers has inadvertently contributed to the spread of severe software vulnerabilities, while simultaneously serving as an invaluable resource for improving security practices. Learn about research findings that trace high-profile vulnerabilities in widely-used applications back to Stack Overflow, and understand the potential risks to user data and privacy. Conversely, examine how Stack Overflow can be leveraged as an effective tool for promoting secure software development. Gain insights into proposed design modifications that could significantly enhance software security across the industry. Uncover key findings from usable security research and their potential to transform Stack Overflow into a powerful ally in the quest for more secure software development practices.