| Abbreviation | Definition |
|---|---|
| CRPA | Cyber Risk Preparedness Assessment |
| CRT | Cyber Response Team |
| CRT | Cyber Response Teams |
| CS | Cyber Sex |
| CS | Cyber Sonic |
| CS²SAT | Control System Cyber Security Self-Assessment Tool |
| CSAAC | Cyber Situational Awareness Analytical Capabilities |
| CSAM | Cyber Security Assessment and Management |
| CSAW | Cyber Security Awareness Week |
| CSCB | Cyber Support to Corps and Below |
| CSCG | Cyber Security Challenge Germany |
| CSCL | Cyber Security Career Lifecycle |
| CSCOE | Cyber Security Center of Excellence |
| CSD | Cyber Security Division |
| CSDP | Cyber Security Development Program |
| CSDS | Cyber Security Data Sheet |
| CSE | Communications Security Establishment |
| CSEK | Customer Supplied Encryption Keys |
| CSEKs | Customer-Supplied Encryption Keys |
| CSET | Cyber Security Evaluation Tool |