His brain is a possibility. Various information gets classified at different levels according to the classification guide for a program. It could be as simple

His brain is a possibility. Various information gets classified at different levels according to the classification guide for a program. It could be as simple as a program name in certain instances. Now I doubt they'd prosecute for inadvertent inclusion of minor yet technically classified things, but it's hard to know. See page 24+, in Security Classification Guidance Student Guide, for some examples of things in a classification guide. https://www.cdse.edu/Portals/124/Documents/student-guides/IF101-guide.pdf https://www.cdse.edu/Portals/124/Documents/student-guides/IF... (The French had a solution for air gapping the brain, but productivity becomes a problem).