All the major technology companies have special isolated security clearance offices. Most regular employees including managers and directors do not and cannot k

All the major technology companies have special isolated security clearance offices. Most regular employees including managers and directors do not and cannot know what's going on in those places. Secrecy is priority. In the US it's a requirement to never discuss security clearance if you have security clearance. The banal non-conspiracy explanation is these employees work for military and government clients on regular products but with their classified data.