No one is "corresponding" trade secrets outside of their company. I recommend reading up on ITAR and the resulting culture it has created around aerospace info.
Note that google cloud has an itar-compatible gemini pro and google drive / docs - so, people do talk to it - and google is of course contractually obligated to not export it, nor to learn from it.
This is very different that AWS fed-gov bedrock thingie - where AWS promises that the models are running on hardware dedicated to you, with no external logging, etc.
Don't forget these companies are both civilian and millitary contractors. These kind of information will stored in separate air-gapped computer systems.
Employes are required to have background check.
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