APRA CPS 234
Australian prudential standard for information security resilience
NERC CIP
Mandatory standards for BES cybersecurity and reliability
Quick Verdict
APRA CPS 234 mandates information security for Australian financial entities, while NERC CIP enforces BES cyber protections for North American utilities. Organizations adopt them for regulatory compliance, operational resilience, and to minimize incident impacts on critical services.
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
- Asset classification by criticality and sensitivity
- Systematic independent testing of controls
- Third-party capability assessments and controls
NERC CIP
NERC Critical Infrastructure Protection Standards
Key Features
- Risk-based BES Cyber System impact categorization
- Electronic and physical security perimeters
- 35-day patch evaluation and monitoring cadence
- Personnel risk assessments and recurring training
- Rapid incident reporting and recovery planning
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 prudential regulation issued by the Australian Prudential Regulation Authority, effective 1 July 2019. It mandates APRA-regulated entities like banks, insurers, and super funds to maintain information security capabilities commensurate with threats to protect confidentiality, integrity, and availability of assets. Its risk-based approach requires proportionate controls, governance, and assurance.
Key Components
- Governance with Board ultimate accountability
- Asset identification and classification by criticality/sensitivity
- Commensurate controls across asset lifecycle
- Systematic testing, independent assurance, incident response
- Third-party risk management; 72-hour material incident notifications to APRA Built on CIA triad principles; no fixed control count, emphasizes evidence-based compliance.
Why Organizations Use It
- Mandatory for regulated entities to avoid enforcement, penalties
- Enhances operational resilience, reduces incident impacts
- Builds customer trust, enables partnerships
- Provides competitive edge via robust security posture.
Implementation Overview
Phased: gap analysis, policy framework, asset register, controls, testing, monitoring. Applies to all sizes of APRA entities in Australia; requires internal audit, no external certification but APRA supervision.
NERC CIP Details
What It Is
NERC CIP (North American Electric Reliability Corporation Critical Infrastructure Protection) are mandatory reliability standards enforcing cybersecurity and physical security for the Bulk Electric System (BES). Their primary purpose is mitigating cyber risks causing BES misoperation or instability, using a risk-based, tiered approach categorizing assets as High, Medium, or Low impact.
Key Components
- Core standards: CIP-002 (scoping), CIP-003 (governance), CIP-004 (personnel), CIP-005/006 (perimeters), CIP-007 (systems security), CIP-008/009/010 (response/recovery/config).
- ~14 standards with detailed requirements (e.g., 35-day patches, 15-month reviews).
- Built on governance, technical controls, and continuous evidence.
- Compliance via annual audits, enforced by NERC/FERC penalties.
Why Organizations Use It
- Legal mandate for BES owners/operators; non-compliance risks multimillion fines.
- Enhances grid reliability, reduces outage risks.
- Builds stakeholder trust, lowers insurance costs.
- Strategic resilience amid rising threats.
Implementation Overview
- Phased: scoping, gap analysis, controls, testing, audits.
- Targets utilities/transmission entities in US/Canada/Mexico.
- Multi-year for complex OT/IT; requires CIP Senior Manager oversight.
Key Differences
| Aspect | APRA CPS 234 | NERC CIP |
|---|---|---|
| Scope | Information security for all assets | BES cyber systems reliability protection |
| Industry | Australian financial services | North American electric utilities |
| Nature | Mandatory prudential standard | Mandatory reliability standards |
| Testing | Systematic risk-based testing | 35-day patches, 15-month reviews |
| Penalties | Supervisory actions, remediation | FERC fines up to $1M per violation |
Scope
Industry
Nature
Testing
Penalties
Frequently Asked Questions
Common questions about APRA CPS 234 and NERC CIP
APRA CPS 234 FAQ
NERC CIP FAQ
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