scws comms 2

Item accountable to NSA from “cradle to grave”.

Physcial barrier - double locking system

A violation of security protocol that is not a compromise by itself but continued practice
could lead to a “compromise”.

Plan for safeguarding COMSEC material for natural disasters, civil uprising, and terrorist
acts. EDP is last resort for destroying COMSEC to prevent disclosure.

CCI device used to Receive, store and transmit electronic keymat. (ie.. AN/CYZ-10,
AN/PYQ-10, AN/KIK-20).

o Physical - Loss of CCI without keymat loaded or suspected tampering of device.
o Cryptographic - Use of superseded keymat, keymat loaded into an unauthorized
device.
o Personnel - Defection, espionage, unauthorized disclosure of information
concerning COMSEC material.

Supersession based on a specific, pre -determined supersession date for each edition of
material. For example, each edition of a monthly keytape is superseded on the first day of
the month after its implementation; each edition of ten -day material is superseded on the
11th, 21st, and the 31st of the month.

Supersession that is not pre-determined but which occurs as a result of use. Editions and
individual segments of irregularly superseded COMSEC material are to be destroyed after
the material has been used operationally, when the controlling authority directs
supersession, or, in the case of maintenance key, it may be used until the key becomes
unserviceable. Irregular supersession is normally associated with one -time pads, test key,
maintenance key, publications, and equipment.

An unplanned change of supersession, usually as a result of a compromise.

destroyed as follows:
 Keying Material: Superseded keying material must be destroyed first, then
keying material that becomes effective in 1 or 2 months.
 Nonessential Classified COMSEC Documents: This material includes
maintenance, operating, and administrative manuals.

- Keying Material: superseded, effective, then reserve.
- COMSEC Documents
- COMSEC Equipment