Explore the future of cryptography in this 28-minute conference talk from NorthSec 2019. Delve into the world of post-quantum cryptography with Philippe Lamontagne, a Ph.D. graduate in quantum cryptography from the Université de Montréal. Learn about the public key revolution, quantum information, and Shor's factoring algorithm. Discover the aftermath of quantum computing on current cryptographic systems and explore new hard problems in cryptography. Gain insights into lattice-based, multivariate, and code-based cryptography. Walk away with key takeaways on the future of secure communication in a post-quantum world.