What subject does Chapter 10 of EKMS 1B address?

• A. General COMSEC responsibilities
• B. Practices Dangerous to Security (PDSs)
• C. Emergency procedures for destruction
• D. Chain of custody requirements

Answer: (B)

Chapter 10 of EKMS 1B specifically addresses "Practices Dangerous to Security" (PDSs), focusing on the identification and mitigation of behaviors and actions that could compromise communication security. This chapter is critical because it outlines the various practices that personnel must avoid to ensure the protection of keying materials and sensitive information. Understanding PDSs is essential for maintaining a secure environment, as these practices can lead to vulnerabilities that adversaries might exploit.

The other subjects mentioned, while important in the context of COMSEC, are covered in different chapters or sections of the EKMS 1B. General COMSEC responsibilities would encompass broader guidelines and duties of personnel involved with communication security. Emergency procedures for destruction focus on the proper methods for destroying classified materials to prevent unauthorized access. Chain of custody requirements pertain to the tracking and management of sensitive materials to ensure accountability and security. Each of these topics is critical, but they do not fall under the specific focus of Chapter 10.