Below are a list of abbreviations and their meaning.
| Term | Meaning |
| CESG | Communications Electronics Security Group (part of GCHQ) CESG is the UK’s IA Technical Authority |
| CoCo | Code of Connection |
| CoICo | Code of Inter-Connection |
| CoP | Code of Practice |
| Crypto | Cryptography |
| GCHQ | General Communications Head Quarters |
| G-Cloud | Government Cloud |
| GCN | Government Conveyance Network |
| GPG | Good Practice Guide |
| GPMS | Government Protective Marking Scheme |
| HMG | Her Majesty’s Government |
| IA | Information Assurance |
| IAMM | Information Assurance Maturity Model |
| IAS | Information Assurance Standard (i.e. IAS1) |
| IL/BIL | Impact Level / Business Impact Level |
| MR | Mandatory Requirement |
| PSN | Public Service Network |
| RMADS | Risk Management and Accreditation Document Set |
| SPF | Security Policy Framework |
