Encryption Review (CRY-002-R009) - CRY-002

Requirement Details & Guidance

CRY-002-R009 · CRY-002

Why This Requirement Exists

Provides periodic assurance that encryption controls remain appropriate and effective as systems and risks change.

Implementation Guidance

Review encryption scope, requirements, configurations, monitoring, exceptions, and validation evidence. Trigger reviews after major architecture, regulatory, or threat changes.

Practical Application & Audit Readiness

CRY-002-R009 · Field Guidance

Business Examples

Common Audit Findings

Common Mistakes

Best Practices & Ownership

CRY-002 · Recommended Approach

Recommended Practices

Typical Owner

Cross-Mapped Regulatory Frameworks

Harmonized Control Mappings

FRAMEWORK CODE	FRAMEWORK NAME & DETAILS	FAMILY / CATEGORY	VERSION	ACTION
CIS-V8	CIS Controls CIS Controls are a prioritized set of cybersecurit... Clause: Control 03 – Data Protection: 3.11 – Encrypt Sensitive Data at Rest	CIS Best Practice	vv8	View →
COBIT2019	COBIT COBIT is an enterprise governance and management f... Clause: 4.2 – Align, Plan and Organize (APO) > APO13 – Managed Security > APO13.01 – Establish and maintain an information security management system.	COBIT Governance Framework	v2019	View →
DORA	Digital Operational Resilience Act The EU Digital Operational Resilience Act establis... Clause: Article 9(4)(d) – Strong authentication, cryptographic keys and encryption Article 9(2) – ICT security policies, procedures, protocols and tools for resilience and data security	EU Regulation	vCurrent	View →
GDPR	General Data Protection Regulation (GDPR) The General Data Protection Regulation is a bindin... Clause: Article 32(1)(a) – Pseudonymisation and encryption	EU Regulation	vCurrent	View →
HIPAA	Health Insurance Portability and Accountability Act HIPAA is a U.S. federal law supported by implement... Clause: § 164.312(b) Standard: Encryption and decryption; § 164.316(a)(1) Policies and procedures documentation	US Law	vCurrent	View →
IRDAI	IRDAI Information & Cyber Security Guidelines IRDAI information and cyber-security requirements... Clause: §2.12-3.1 – Use of Cryptography	India Guideline	vLatest	View →
ISO27002	ISO/IEC 27002 ISO/IEC 27002 is a guidance standard containing a... Clause: 8.24 – Use of cryptography	ISO Standard	v2022	View →
NIS2	NIS2 Directive The NIS2 Directive establishes EU-wide cybersecuri... Clause: Article 21(2)(h) – Policies and procedures regarding cryptography and, where appropriate, encryption	EU Directive	vCurrent	View →
NIST-CSF	NIST Cybersecurity Framework (CSF) The NIST Cybersecurity Framework provides high-lev... Clause: PR.DS – Data Security \| PR.DS-02 – The confidentiality, integrity, and availability of data-in-transit are protected PR.DS – Data Security \| PR.DS-10 – The confidentiality, integrity, and availability of data-in-use are protected PR.DS – Data Security \| PR.DS-01 – The confidentiality, integrity, and availability of data-at-rest are protected	NIST Framework	v2	View →
NIST80053	NIST SP 800-53 NIST SP 800-53 Rev. 5 presents control families, i... Clause: 3.18 – SYSTEM AND COMMUNICATIONS PROTECTION; SC-13 – CRYPTOGRAPHIC PROTECTION	NIST Control Catalog	vRev. 5	View →
NPCI-ISR	NPCI Information Security Requirements NPCI information-security requirements define cont... Clause: Security Measures / Controls; Data Security – Encryption	India Standard	vLatest	View →
PCI-DSS	PCI DSS PCI DSS is an industry security standard maintaine... Clause: 3.5.1 – PAN is rendered unreadable anywhere it is stored; 4.2.1 – Strong cryptography and security protocols; 4.2.2 – PAN is secured with strong cryptography	PCI Standard	v4	View →
RBI-CSF	RBI Cyber Security Framework / Master Directions RBI cyber-security requirements and directions set... Clause: 1) Inventory Management of Business IT Assets – 1.3 Protection of data/information across storage, transmission, processing and access, inside/outside the bank; 8) User Access Control / Management – 8.1 Secure access with protection of data at rest and in transit; 15) Data Leak prevention strategy – 15.2 Protection of data at endpoints, in transmission and stored online/offline	India Regulation	vLatest	View →
SEBI-CSCRF	SEBI Cyber Security & Cyber Resilience Framework SEBI’s Cybersecurity and Cyber Resilience Framewor... Clause: 3.3 PR.DS: Data Security	India Regulation	vLatest	View →
SOC2	SOC 2 Trust Services Criteria SOC 2 is an independent examination and reporting... Clause: CC6.1 – Logical and Physical Access Controls – The entity implements logical access security software, infrastructure, and architectures over protected information assets to protect them from security events to meet the entity's objectives. CC4.1 – Monitoring of Controls – COSO Principle 16: The entity selects, develops, and performs ongoing and/or separate evaluations to ascertain whether the components of internal control are present and functioning.	AICPA Audit Framework	vLatest	View →

Parent Domain Context

Governance Domain Baseline

Domain Name:

Cryptography & Key Management (CRY)

Purpose:

To manage the use of encryption and cryptographic keys to protect data.

Scope:

Enterprise

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Parent Control Context

Control Baseline

Control Name:

Data-at-Rest Encryption (CRY-002)

Summary:

Establishes encryption controls for data at rest including identification, encryption configuration, key management integration, monitoring, validation, and exception management.

Business Description:

Establish and maintain encryption controls to protect sensitive and regulated data stored on endpoints, servers, databases, storage systems, backups, and cloud environments.

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