| AES | Advanced Data Encryption Standard |
| AI | Artificial Intelligence |
| AIC | Availability Integrity Confidentiality |
| ARIB | Association of Radio Industries and Business |
| ATIS | Automatic Terminal Information System |
| CCSA | China Communications Standards Association |
| CEN CENELAC | European Committee for Standardization |
| CIA | Confidentiality Integrity Availability |
| CPS | Cyber–Physical Systems |
| CSF | Cybersecurity Framework |
| DLMS | Device Language Message Specification |
| DoS | Denial of Service |
| EAP | Extensible Authentical Protocol |
| eMBB | Enhanced Mobile Broadband |
| ENISA | European Network and Information Security Agency |
| ETSI | European Telecommunications Standards Institute |
| EU MS | European Member States |
| E2E | End-to-end |
| FedRAMP | Federal Risk and Authorization Management Program |
| GDPR | General Data Protection Regulation |
| IACS | Industrial Automation and Control Systems |
| IAM | Identity and Access Management |
| ICT | Information and Communication Technology |
| ICS | Industrial Control Systems |
| IDS | Intrusion Detection Systems |
| IEC | International Electrotechnical Commission |
| IEEE | International Institute of Electrical and Electronics Engineers |
| IETF | Internet Engineering Task Force |
| IIRA | Industrial Internet of Things Reference Architecture |
| IISF | Industrial Internet Security Framework |
| IoT | Internet of Things |
| IIoT | Industrial Internet of Things |
| IPS | Intrusion Prevention Systems |
| ISA | International Society for Automation |
| ISMS | Information Security Management Systems |
| ISO | International Organization for Standardization |
| IT | Information Technology |
| IWN | Industrial Wireless Network |
| JTC | Joint Technical Committee |
| KDS | Key Distribution Center |
| KMS | Key Management System |
| KPI | Key Performance Indicator |
| LTE | Long-Term Evolution |
| LWM2M | Lightweight Machine-to-Machine |
| MEC | Multi-Access Edge Computing |
| METIS | Mobile and Wireless Communication Enables for the 2020 Information Society |
| MFA | Multi-Factor Authentication |
| mMC | Massive Machine Type Communications |
| M2M | Machine-to-Machine |
| NB IoT | Narrowband Internet of Things |
| NIST | National Institute of Standards and Technology |
| NFV | Network Function Virtualization |
| OMA | Open Mobile Alliance |
| OT | Operational Technology |
| PDCA | Plan Do Check Act |
| PLC | Programmable Logic Controller |
| PLT | Power Line Telecommunications/Transmissions |
| QoS | Quality of Service |
| RAMI | Reference Architecture Model Industry 4.0 |
| RTU | Remote Terminal Unit |
| RVA | Risk and Vulnerability Assessment |
| SCADA | Supervisory Control and Data Acquisition |
| SCF | Secure Controls Framework |
| SDN | Software Defined Network |
| SIEM | Security Information and Event Management |
| SLA | Service Level Agreement |
| SOAR | Security Orchestration Automation and Response |
| TIA | Telecommunications Industry Association |
| TISPAN | Telecoms & Internet converged Services & Protocols for Advanced Networks |
| TSN | Time Sensitive Networking |
| TTA | Telecommunications Technology Association |
| TTC | Telecommunication Technology Committee |
| URLLC | Ultra-Reliable Low Latency Communications |
| VPN | Virtual Private Network |
| WG | Working Group |
| 3GPP | 3rd Generation Partnership Project |
| 5GPPP | 5G Infrastructure Public Private Partnership |