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Tier 2 (COMSEC)

Definition(s):

  The layer of the electronic key management system (EKMS) comprising COMSEC accounts and subaccounts managing keying material and other COMSEC material. Automated EKMS Tier 2s consist of a Service- or Agency-provided Local Management Device (LMD) running the Local COMSEC Management Software (LCMS), a Key Processor (KP), and a secure terminal equipment (STE) or other secure communication device(s). Note: Some Tier 2 accounts or subaccounts operate an local management device (LMD) without a KP.
Source(s):
CNSSI 4009-2015 from CNSSI 4005