Some of the GCSs are classified secret, and used for conventional warzone surveillance duty. The GCSs handling more exotic operations are top secret. None of the remote cockpits are supposed to be connected to the public internet. Which means they are supposed to be largely immune to viruses and other network security threats.
If this is true, then he shouldn't >think< its benign, he should >know< its benign.
This is also why memory sticks/flash drives/removables are not allowed in secure areas and also why autorun is disabled. Flash drives are notorious for being infected from the factory.