Explore the impact of personal insecurities on application security in this 20-minute conference talk from USENIX Enigma 2018. Delve into the challenges faced by software developers and IT security teams, examining how leadership decisions and management practices can inadvertently create vulnerabilities in software and IT products. Learn about the causes and effects of insecurities and behavioral influencers in the workplace, and discover specific, implementable solutions to improve security throughout the entire Software Development Life Cycle (SDLC). Gain insights on creating effective programs, governance, and policies that promote collaboration between developers and security teams, ultimately leading to the development of high-quality, secure software. Walk away with practical strategies to establish clear expectations, implement partnership models, and foster a culture of continuous learning and improvement in application security.