Framework overlap

Does NIST SP 800-53 Rev 5 cover ISO 27018:2019?

You hold NIST SP 800-53 Rev 5 and have been told to do ISO 27018:2019. Here is how much overlaps, control by control.

23% of ISO 27018:2019 you already have

NIST SP 800-53 Rev 5 already covers about 23% of ISO 27018:2019, leaving 62 of 80 controls as genuinely new work.

Already covered 1 Likely covered 17 New work 62

What is genuinely new work

Nothing in NIST SP 800-53 Rev 5 reaches these. This is the list to scope.

10.1
Cryptographic controls
10.1.1
Policy on the use of cryptographic controls
10.1.2
Key management
11.1
Secure areas
11.2
Equipment
11.2.1
Equipment siting and protection
11.2.2
Supporting utilities
11.2.3
Cabling security
11.2.4
Equipment maintenance
11.2.5
Removal of assets
11.2.6
Security of equipment and assets off-premises
11.2.7
Secure disposal or re-use of equipment
11.2.8
Unattended user equipment
11.2.9
Clear desk and clear screen policy
12.1
Operational procedures and responsibilities
12.1.1
Documented operating procedures
12.1.3
Capacity management
12.1.4
Separation of development, testing and operational environments
12.3
Backup
12.3.1
Information backup
12.4.2
Protection of log information
12.4.3
Administrator and operator logs
12.5
Control of operational software
12.7
Information systems audit considerations ISO/IEC 27018:2019
13.2
Information transfer
13.2.1
Information transfer policies and procedures
13.2.2
Agreements on information transfer
13.2.3
Electronic messaging
16.1
Management of information security incidents and improvements
16.1.1
Responsibilities and procedures
16.1.3
Reporting information security weaknesses
16.1.4
Assessment of and decision on information security events
16.1.5
Response to information security incidents
16.1.6
Learning from information security incidents
16.1.7
Collection of evidence
18.1
Compliance with legal and contractual requirements
18.2.2
Compliance with security policies and standards
18.2.3
Technical compliance review
4.1
Structure of this document
4.2
Control categories
5.1
Management direction for information security
5.1.1
Policies for information security
5.1.2
Review of the policies for information security
6.1
Internal organization
6.1.3
Contact with authorities
6.1.4
Contact with special interest groups
7.1
Prior to employment
7.2.1
Management responsibilities
7.2.2
Informationa8096b2fa1f5/iso-iec-27018-2019
7.2.3
Disciplinary process
7.3
Termination and change of employment
9.1
Business requirements of access control
9.2.1
User registration and de-registration
9.2.4
Management of secret authentication information of users
9.2.6
Removal or adjustment of access rights
9.3
User responsibilities
9.3.1
Use of secret authentication information
9.4
System and application access control
9.4.1
Information access restriction
9.4.2
Secure log-on procedures
9.4.3
Password management system
9.4.4
Use of privileged utility programs
Show the 18 you already have
12.4.1
Event logging
12.1.2
Change management
12.2
Protection from malware
12.4
Logging and monitoring
12.4.4
Clock synchronization
12.6
Technical vulnerability management
13.1
Network security management
13.2.4
Confidentiality or non-disclosure agreements
16.1.2
Reporting information security events
18.2
Information security reviews
18.2.1
Independent review of information security
6.1.1
Information security roles and responsibilities
6.1.2
Segregation of duties
9.2
User access management
9.2.2
User access provisioning
9.2.3
Management of privileged access rights
9.2.5
Review of user access rights
9.4.5
Access control to program source code

How this is calculated

Already covered means a mapping runs from a control in NIST SP 800-53 Rev 5 to that control. Likely covered means no direct mapping exists but both frameworks map to the same control in a third standard. New work means neither. We keep those separate rather than adding them into one friendlier number, because blending them would present a two-hop inference as a verified fact.

Coverage is not symmetric. Run it the other way and you will get a different number; both are correct.

From 332,959 cross-framework control mappings across 723 frameworks, 531 of them verified against their source documents. It does not tell you that you are compliant: a mapped control means the two standards ask for the same thing, not that you have done it.

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