| CIA | Confidentiality, integrity, and availability |
| DB | Database |
| DMZ | Demilitarized zone |
| DSO | Distribution system operator |
| HIDS | Host-based intrusion detection system |
| HMI | Human-machine interface |
| ICS | Industrial control systems |
| IDS | Intrusion detection system |
| IPS | Intrusion prevention system |
| NIDS | Network-based intrusion detection system |
| PCN | Process control network |
| PLC | Programmable logic controller |
| SCADA | Supervisory control and data acquisition |
| SDN | Software-defined networking |
| TSO | Transmission system operator |
| VPN | Virtual private network |