8eb4e8a0_se_Security_Cooperation_Agency__Definition
[Term] Critical Program Information (CPI) [Link] N/A [Definition] 
Elements or components of an Research, Development, and Acquisition program that, if compromised, could cause significant degradation in mission effectiveness; shorten the expected combat-effective life of the system; reduce technological advantage; significantly alter program direction; or enable an adversary to defeat, counter, copy, or reverse engineer the technology or capability.
ESAMM Glossary | Defense Security Cooperation Agency
Definition