Mona Garg is a Principal Security Engineer at Amazon, where she leads initiatives to secure and modernize large-scale payment systems that power global commerce. She brings deep expertise in application and platform security, threat modeling, and secure system design—combining technical depth with a pragmatic, business-first approach. Her work includes advancing payment security through tokenization and applying responsible innovation in AI-driven systems.

Before joining Amazon, Mona strengthened the security of critical financial platforms at Visa.

Mona shares her real-world experiences—the challenges, pivots, and lessons that shaped her path in cybersecurity. She is passionate about mentoring, helping others grow their confidence, and building security careers that are sustainable and meaningful.