| AES | Advanced Encryption Standard |
| AH | Authentication Header |
| AH&SH | Asset Health & Service Hub (a MindSphere solution using RS) |
| A/V | Audio/Video |
| CIDR | Classless Inter-Domain Routing |
| CSA | Cloud Security Alliance |
| DEX | MindSphere Digital Exchange (market place) |
| DDNS | Dynamic Domain Name Service |
| DH | Diffie-Hellman (group for router configuration) |
| DNS | Domain Name Service |
| DTT | Dynamic Transparent Tunnel (protocol routing) |
| DTT-R | Dynamic Transparent Tunnel Reverse (protocol routing) |
| EP | Endpoint (for tunnel) |
| ERP | Enterprise Resource Planning |
| ESP | Encapsulating Security Payload |
| ETL | Extract Transform Load |
| GW | GateWay |
| HMI | Human Machine Interface (such as displays) |
| IANA | Internet-Assigned Numbers Authority |
| IDL | Industrial Data Lake (of MindSphere) |
| IEA | Industrial Edge Application |
| IEAP | Industrial Edge Application Publisher (a Siemens software) |
| IED | Industrial Edge Device |
| IEH | Industrial Edge Hub (a Siemens software) |
| IEM | Industrial Edge Manager (a Siemens software) |
| IIoT | Industrial Internet of Things |
| IoT | Internet of Things |
| IP | Internet Protocol |
| IPC | Industrial PC |
| IPsec | Internet Protocol security (tunnel technology) |
| ISAKMP | Internet Security Association and Key Management Protocol |
| ISP | Internet Service Provider |
| FGAC | Fine-Grained Access Control |
| MES | Manufacturing Execution System |
| MSL | MindSphere Service Link (protocol routing) |
| OEM | Original Equipment Manufacturer |
| OSI | Open Systems Interconnection |
| OSS | Open Source Software |
| PLC | Programmable Logic Controller |
| PU | Proxy-Unaware (protocol routing) |
| RDP | Remote Desktop Protocol |
| RHEL | Red Hat Enterprise Linux (a distribution) |
| RS | Remote Services (this offering) |
| SaaS | Software-as-a-Service |
| SCADA | Supervisory Control And Data Acquisition |
| SHA | Secure Hash Algorithm |
| SIP | Session Initiation Protocol |
| SSH | Secure Shell |
| SSL | Secure Socket Layer |
| TIA | Totally Integrated Automation |
| TISAX | Trusted Information Security Assessment Exchange |
| TS | Time Series |
| VNC | Virtual Network Client |
| VPN | Virtual Private Network |
| WSS | WebSocket Secure (tunnel technology) |
