Explore the critical transition to quantum-secure authentication in this 26-minute conference talk by Sandra Guasch Castello, Staff Privacy Engineer at SandboxAQ. Delve into the challenges and timelines of migrating large-scale authentication systems to post-quantum security. Examine the complexities of this transition using FIDO2 as an example, and gain insights to evaluate the migration timeline for your own authentication systems. Learn why authentication is a crucial security goal for the Internet and understand the urgency of adapting to the quantum era. Equip yourself with knowledge to navigate the complexities of quantum-secure authentication and prepare your systems for the future of cybersecurity.