Any unit detecting a COMSEC incident must report it according to which chapter of EKMS 1B?

The correct answer is Chapter 9 of EKMS 1B. This chapter specifically details the procedures for reporting COMSEC incidents, emphasizing the importance of timely and accurate reporting to ensure appropriate actions can be taken to mitigate risks associated with the incident. Chapter 9 outlines the responsibilities of personnel in recognizing, documenting, and escalating any COMSEC incidents as part of maintaining security and safeguarding classified information.

By following the guidelines in this chapter, units can maintain compliance with established protocols, enhance overall security posture, and contribute to the integrity of communication security efforts within the organization. Understanding the significance of Chapter 9 in the context of COMSEC incident reporting reinforces the necessity of proper procedures and accountability in handling sensitive information.