Explore the challenges and strategies of vendor security in this panel discussion from BSidesSF 2019. Gain insights from industry experts as they delve into methods for assessing vendor security, influencing partners, and balancing security investments. Learn about scaling vendor security programs, predicting security maturity, and navigating the complexities of data sharing with external partners. Discover diverse perspectives on topics such as pentesting, relationship management, hurdles in vendor security reviews, timelines, outsourcing, and maintaining effectiveness in a rapidly evolving landscape. Benefit from lessons learned and historical context to enhance your approach to vendor security in an era of frequent data breaches.