What does Emission Security (EMCON) primarily focus on?

Emission Security (EMCON) primarily focuses on denying unauthorized access to compromising emanations. This concept is crucial in safeguarding sensitive information that may inadvertently be emitted from communication and electronic systems. By ensuring that these emanations are either minimized or protected, EMCON prevents potential adversaries from intercepting or analyzing data that could compromise security.

In the context of communication equipment, this involves implementing various techniques and technologies to shield or obscure signals that could be exploited. This can include physical shielding, encryption, and operational procedures designed to limit the chances of unauthorized interception.

The other options, while relevant to different aspects of technology and communications, do not align with the primary objectives of Emission Security. Improvements in software efficiency and integrating communication systems pertain to performance and functionality rather than security. Similarly, reducing equipment size for transportation focuses on logistics rather than the security of emitted signals.