what is the cil in opsec
OPSEC is the responsibility of everyone and should be applied to all activities conducted by. the unit. Unit members must know the Critical Information List (CIL), be cognizant of the. Critical Information (Cl), Personally Identifiable Information (Pll) and be sensitive to personal. privacy when using social media. 4. Newly assigned personnel will receive OPSEC Orientation training within the first 30-days.