Explore the critical impact of incomplete documentation on software security in this conference talk from NDC Security 2024. Discover how over 15 antivirus and EDR vendors overlooked undocumented risks in Win32 API functions, leaving systems vulnerable to attacks that could disable protection or grant elevated privileges. Learn valuable lessons about the importance of thorough API documentation and the potential consequences of relying on undocumented behavior. Gain insights into identifying and mitigating hidden risks in software development and cybersecurity practices.