Framework overlap

Does Bermuda Monetary Authority (BMA) Cyber Risk Management Code of Conduct cover ISO/SAE 21434?

You hold Bermuda Monetary Authority (BMA) Cyber Risk Management Code of Conduct and have been told to do ISO/SAE 21434. Here is how much overlaps, control by control.

26% of ISO/SAE 21434 you already have

Bermuda Monetary Authority (BMA) Cyber Risk Management Code of Conduct already covers about 26% of ISO/SAE 21434, leaving 37 of 50 controls as genuinely new work.

Already covered 0 Likely covered 13 New work 37

No control in Bermuda Monetary Authority (BMA) Cyber Risk Management Code of Conduct maps directly to one in ISO/SAE 21434. Everything counted as covered is covered because both map to the same third standard, which is what a crosswalk is, but it is an inference rather than a lookup.

What is genuinely new work

Nothing in Bermuda Monetary Authority (BMA) Cyber Risk Management Code of Conduct reaches these. This is the list to scope.

21434-10
Product Development at System Level
21434-10.4
Hardware and Software Component Requirements
21434-11
Cybersecurity Validation
21434-12
Production
21434-13
Operations and Maintenance
21434-14
End of Cybersecurity Support and Decommissioning
21434-15.3
Asset Identification (TARA Step 1)
21434-15.5
Threat Scenario Identification (TARA Step 2)
21434-15.6
Impact Rating (TARA Step 3)
21434-15.7
Attack Path Analysis (TARA Step 4)
21434-15.8
Attack Feasibility and Risk Determination (TARA Step 5)
21434-15.9
Cybersecurity Assurance Level (CAL) and Risk Treatment
21434-5
Cybersecurity Governance
21434-6
Cybersecurity Culture and Competence
21434-7
Continuous Cybersecurity Activities
21434-9.3
Item Definition
21434-9.4
Cybersecurity Goals and Claims
21434-Annex-E
Distributed Cybersecurity Activities and Supplier Management
ISO21434-01
Information security policy framework
ISO21434-02
Management direction and commitment
ISO21434-03
Policy review and update procedures
ISO21434-05
Contact with authorities and special interest groups
ISO21434-06
Asset inventory and ownership
ISO21434-07
Acceptable use of assets
ISO21434-08
Information classification and labeling
ISO21434-09
Asset handling procedures
ISO21434-10
Media management and disposal
ISO21434-11
Access control policy and enforcement
ISO21434-18
Encryption of data in transit
ISO21434-20
Key lifecycle management
ISO21434-21
Operational procedures and responsibilities
ISO21434-22
Protection from malware
ISO21434-26
Audit considerations
ISO21434-28
Network service security
ISO21434-29
Segregation in networks
ISO21434-30
Information transfer policies
ISO21434-31
Secure messaging
Show the 13 you already have
21434-8
Risk Assessment Methods
ISO21434-04
Roles and responsibilities definition
ISO21434-12
User access management and provisioning
ISO21434-13
Authentication and password management
ISO21434-14
Privileged access management
ISO21434-15
Access review and recertification
ISO21434-16
Cryptographic policy and key management
ISO21434-17
Encryption of data at rest
ISO21434-19
Certificate management
ISO21434-23
Backup and recovery procedures
ISO21434-24
Logging and monitoring
ISO21434-25
Technical vulnerability management
ISO21434-27
Network security management

How this is calculated

Already covered means a mapping runs from a control in Bermuda Monetary Authority (BMA) Cyber Risk Management Code of Conduct 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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