Hoyt L. Kesterson II is a Senior Security & Risk Architect with Avertium in Phoenix, Arizona. He has more than 50 years of experience in information security and related technologies. For 21 years he chaired the international standards group that created the X.509 certificate. He's been a PCI QSA since 2011. He is a founding member and co-chair of the Information Security Committee in the American Bar Association. He is a testifying expert. He holds the CISSP and CISA certifications. He had an article on post-quantum cryptography published in the Spring 2022 issue of The SciTech Lawyer.