Craig Costello uses mathematics to secure the digital world, both against the threats that exist today and those that may exist in the future.

Why you should listen

Together with his colleagues, Craig Costello builds software with the goal of safeguarding the internet before large-scale quantum computing becomes a reality. He is a senior researcher in the Cryptography and Security Group at Microsoft Research in the USA. He is primarily interested in the cryptographic applications of computational number theory, in particular curve-, pairing- and lattice-based cryptography.