Standards Comparison

    APRA CPS 234

    Mandatory
    2019

    Australian prudential standard for information security resilience

    VS

    NERC CIP

    Mandatory
    2006

    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.

    Information Security

    APRA CPS 234

    APRA Prudential Standard CPS 234 Information Security

    Cost
    €€€€
    Complexity
    High
    Implementation Time
    12-18 months

    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
    Critical Infrastructure Protection

    NERC CIP

    NERC Critical Infrastructure Protection Standards

    Cost
    €€€
    Complexity
    Medium
    Implementation Time
    18-24 months

    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

    Scope

    APRA CPS 234
    Information security for all assets
    NERC CIP
    BES cyber systems reliability protection

    Industry

    APRA CPS 234
    Australian financial services
    NERC CIP
    North American electric utilities

    Nature

    APRA CPS 234
    Mandatory prudential standard
    NERC CIP
    Mandatory reliability standards

    Testing

    APRA CPS 234
    Systematic risk-based testing
    NERC CIP
    35-day patches, 15-month reviews

    Penalties

    APRA CPS 234
    Supervisory actions, remediation
    NERC CIP
    FERC fines up to $1M per violation

    Frequently Asked Questions

    Common questions about APRA CPS 234 and NERC CIP

    APRA CPS 234 FAQ

    NERC CIP FAQ

    You Might also be Interested in These Articles...

    Run Maturity Assessments with GRADUM

    Transform your compliance journey with our AI-powered assessment platform

    Assess your organization's maturity across multiple standards and regulations including ISO 27001, DORA, NIS2, NIST, GDPR, and hundreds more. Get actionable insights and track your progress with collaborative, AI-powered evaluations.

    100+ Standards & Regulations
    AI-Powered Insights
    Collaborative Assessments
    Actionable Recommendations

    Check out these other Gradum.io Standards Comparison Pages