Acronyms and Abbreviations
Selected acronyms and abbreviations used in this paper are defined below.
| AC | Access Control | 
| AES | Advanced Encryption Standard | 
| AO | Authorizing Official | 
| APT | Advanced Persistent Threat | 
| AT | Awareness and Training | 
| AU | Audit and Accountability | 
| BYOD | Bring Your Own Device | 
| CA | Security Assessment and Authorization | 
| CAP | Cross Agency Priority | 
| CC | Common Criteria | 
| CEO | Chief Executive Officer | 
| CIO | Chief Information Officer | 
| CISO | Chief Information Security Officer | 
| CKMS | Cryptographic Key Management System | 
| CM | Configuration Management | 
| CMVP | Cryptographic Module Validation Program | 
| CNSSI | Committee on National Security Systems Instruction | 
| COOP | Continuity of Operations Plan | 
| COTS | Commercial Off The Shelf | 
| CP | Contingency Planning | 
| CSP | Cloud Service Provider | 
| CSRC | Computer Security Resource Center | 
| CUI | Controlled Unclassified Information | 
| DHS | Department of Homeland Security | 
| DRP | Disaster Recovery Plan | 
| FIPS | Federal Information Processing Standard | 
| FIRMR | Federal Resource Management Regulation | 
| FIRST | Forum for Incident Response Teams | 
| FISMA 2002 | Federal Information Security Management Act | 
| FISMA 2014 | Federal Information Security Modernization Act | 
| FOIA | Freedom of Information Act | 
| HTTP | Hypertext Transfer Protocol | 
| IA | Identification and Authentication | 
| ICS | Industrial Control System | 
| ICT | Information and Communications Technology | 
| IDS | Intrusion Detection System | 
| IP | Individual Privacy | 
| IR | Incident Response | 
| IRM | Information Resource Management | 
| ISAC | Information Sharing and Analysis Center | 
| ISCM | Information Security Continuous Monitoring | 
| ISO | International Organization for Standardization | 
| IT | Information Technology | 
| ITL | Information Technology Laboratory | 
| MA | Maintenance | 
| MAC | Message Authentication Code | 
| MP | Media Protection | 
| NARA | National Archives and Records Administration | 
| NIST | National Institute of Standards and Technology | 
| NVD | National Vulnerability Database | 
| OMB | Office of Management and Budget | 
| P.L. | Public Law | 
| PA | Personal Authorization | 
| PBX | Private Branch Exchange | 
| PE | Physical and Environmental Protection | 
| PGP | Pretty Good Privacy | 
| PII | Personally Identifiable Information | 
| PIN | Personal Identification Number | 
| PKI | Public Key Infrastructure | 
| PL | Planning | 
| PM | Project Management | 
| PS | Personnel Security | 
| RA | Risk Assessment | 
| RAID | Redundant Array of Independent Disks | 
| RMF | Risk Management Framework | 
| S/MIME | Secure/Multipurpose Internal Mail Extension | 
| SA | Systems and Services Acquisition | 
| SAISO | Senior Agency Information Security Officer | 
| SAOP | Senior Agency Official for Privacy | 
| SC | System and Communications Protection | 
| SCP | System Contingency Plan | 
| SI | System and Information Protection | 
| SP | Special Publication | 
| SSE | System Security Engineer | 
| SSO | System Security Officer | 
| SSP | System Security Plan | 
| TCB | Trusted Computing Base |