APRA CPS 234
Australian prudential standard for financial information security
ISO 27701
International standard for privacy information management systems.
Quick Verdict
APRA CPS 234 mandates information security resilience for Australian financial entities with strict notifications, while ISO 27701 offers voluntary PIMS certification globally for privacy accountability. Financial firms adopt CPS 234 for compliance; others use 27701 for auditable privacy governance.
APRA CPS 234
APRA Prudential Standard CPS 234 Information Security
Key Features
- Board ultimate responsibility for information security
- 72-hour APRA notification for material incidents
- Extends to third-party managed information assets
- Systematic testing and independent assurance required
- Asset classification by criticality and sensitivity
ISO 27701
ISO/IEC 27701:2025 Privacy Information Management
Key Features
- PIMS extending ISO 27001 for privacy controls
- Separate annexes for PII controllers and processors
- Risk-based privacy assessments and DPIAs
- GDPR and regulatory mappings in annexes
- 3-year certification with surveillance audits
Detailed Analysis
A comprehensive look at the specific requirements, scope, and impact of each standard.
APRA CPS 234 Details
What It Is
APRA Prudential Standard CPS 234 (Information Security) is a binding regulation for APRA-regulated financial entities. Effective 1 July 2019, it mandates resilient information security capabilities against cyber threats. Its risk-based approach requires commensurate governance, controls, and assurance across information assets, including third-party managed ones.
Key Components
- **Governance pillarsBoard accountability, defined roles, policy framework.
- **Risk managementAsset classification by criticality/sensitivity, lifecycle controls.
- **Operational elementsIncident detection/response, systematic testing, internal audit.
- **Reporting72-hour material incident notifications, 10-day control weakness alerts. No fixed control count; focuses on outcomes with independent assurance.
Why Organizations Use It
Ensures prudential compliance, minimizes incident impacts on customers/depositors. Reduces operational risks, builds stakeholder trust, enables sound operations amid threats. Mandatory for ADIs, insurers, super funds; avoids penalties, supervisory actions.
Implementation Overview
Phased: gap analysis, asset inventory, control/testing programs, third-party assessments. Applies to all sizes in Australian finance; requires annual testing, no certification but APRA audits evidence of capability.
ISO 27701 Details
What It Is
ISO/IEC 27701:2025 is an international standard providing requirements and guidance for a Privacy Information Management System (PIMS). It extends ISO 27001's information security framework with privacy-specific controls for PII controllers and processors. The primary purpose is managing privacy risks in PII processing through a risk-based, PDCA management system approach.
Key Components
- Clauses 4–10 mirroring ISO management systems: context, leadership, planning, support, operation, evaluation, improvement.
- Annex A (controller controls) and Annex B (processor controls) with ~50 privacy-specific objectives.
- Built on ISO 27001/27002; includes GDPR mappings (Annex D).
- Certification model: 3-year cycle with annual surveillance audits.
Why Organizations Use It
- Demonstrates accountability for GDPR/POPIA/LGPD compliance.
- Reduces privacy risks, enhances trust, aids procurement.
- Integrates security/privacy for efficiency.
Implementation Overview
- Phased: gap analysis, controls, audits.
- Suits all sizes/industries processing PII; global applicability.
- Requires internal audits, SoA, evidence like RoPA/DSAR logs.
Key Differences
| Aspect | APRA CPS 234 | ISO 27701 |
|---|---|---|
| Scope | Information security and cyber resilience | Privacy information management system (PIMS) |
| Industry | Australian financial institutions only | All industries worldwide processing PII |
| Nature | Mandatory prudential regulation | Voluntary certification standard |
| Testing | Systematic independent control testing | Internal audits and certification audits |
| Penalties | Supervisory actions and penalties | Loss of certification, no legal penalties |
Scope
Industry
Nature
Testing
Penalties
Frequently Asked Questions
Common questions about APRA CPS 234 and ISO 27701
APRA CPS 234 FAQ
ISO 27701 FAQ
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