Standards Comparison

    NIS2

    Mandatory
    2022

    EU directive for cybersecurity resilience in critical infrastructure

    VS

    PCI DSS

    Mandatory
    2022

    Industry standard for protecting payment cardholder data

    Quick Verdict

    NIS2 mandates EU-wide cybersecurity resilience for critical sectors like energy, enforcing risk management and rapid incident reporting. PCI DSS requires secure handling of cardholder data globally via technical controls. Companies adopt NIS2 for regulatory compliance, PCI DSS to avoid payment bans and build trust.

    Cybersecurity

    NIS2

    Directive (EU) 2022/2555 (NIS2)

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

    Key Features

    • Mandates direct senior management accountability for cybersecurity
    • Requires strict 24/72-hour multi-stage incident reporting
    • Expands scope to essential and important entities
    • Demands continuous evidence-based risk management
    • Imposes fines up to 2% global annual turnover
    Payment Security

    PCI DSS

    Payment Card Industry Data Security Standard

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

    Key Features

    • Mandates 12 requirements across 6 control objectives
    • Protects cardholder data and sensitive authentication data
    • Tiered levels for merchants and service providers
    • Requires quarterly ASV vulnerability scans
    • Emphasizes network segmentation and CDE scoping

    Detailed Analysis

    A comprehensive look at the specific requirements, scope, and impact of each standard.

    NIS2 Details

    What It Is

    The NIS2 Directive, officially Directive (EU) 2022/2555, is an EU regulation replacing the 2016 NIS Directive to establish a high common level of cybersecurity across member states. It targets essential and important entities in expanded sectors like energy, transport, and digital services, using a proactive, risk-based approach emphasizing resilience, continuous assurance, and supply chain security.

    Key Components

    NIS2 rests on four pillars: risk management, business continuity, incident reporting, and corporate accountability. Core requirements include ongoing risk assessments, dynamic asset inventories, supply chain oversight, access controls, encryption, and staff training. Incident reporting mandates a 24-hour early warning, 72-hour detailed notification, and one-month final report. Compliance features no certification but enables regulatory spot checks and real-time evidence demands.

    Why Organizations Use It

    NIS2 ensures legal compliance amid fines up to 2% of global turnover, mitigates cyber threats in interconnected sectors, and enhances operational resilience. It builds customer trust, supports business continuity, and drives strategic cyber maturity, turning compliance into a competitive advantage.

    Implementation Overview

    Applicable to medium/large EU entities in critical sectors, implementation involves risk registers, incident plans, governance with cybersecurity officers, and supplier audits. Member states transposed by October 2024; approach shifts from static to continuous, leveraging frameworks like ISO 27001.

    PCI DSS Details

    What It Is

    The Payment Card Industry Data Security Standard (PCI DSS) is a global industry standard managed by the PCI Security Standards Council. It mandates technical and operational controls to protect cardholder data (CHD) and sensitive authentication data (SAD) during storage, processing, and transmission. Structured as 12 requirements under 6 control objectives, it uses a prescriptive, control-based approach enforced contractually by payment brands.

    Key Components

    • 12 Requirements span secure networks, data protection, vulnerability management, access controls, monitoring, and policies, with over 300 sub-requirements.
    • 6 Control Objectives ensure comprehensive security baseline.
    • Tiered compliance: 4 merchant levels and 2 service provider levels by transaction volume.
    • Validation via ROC, SAQ, and quarterly ASV scans.

    Why Organizations Use It

    • Contractual mandate avoids fines, card processing bans, and breach costs ($37/record average).
    • Reduces fraud, enhances trust, supports GDPR compliance.
    • Builds reputation and competitive edge in payments.

    Implementation Overview

    • Scope CDE, gap analysis, implement controls, audit/scan validation.
    • Applies globally to all card-handling entities; ongoing maintenance essential (47.5% fail rate).

    (178 words)

    Key Differences

    Scope

    NIS2
    Critical infrastructure resilience
    PCI DSS
    Cardholder data protection

    Industry

    NIS2
    EU critical sectors like energy
    PCI DSS
    Global payment card handlers

    Nature

    NIS2
    Mandatory EU regulation
    PCI DSS
    Contractual industry standard

    Testing

    NIS2
    Live spot checks, real-time audits
    PCI DSS
    Quarterly scans, annual ROC/SAQ

    Penalties

    NIS2
    Up to 2% global turnover fines
    PCI DSS
    Fines, loss of processing rights

    Frequently Asked Questions

    Common questions about NIS2 and PCI DSS

    NIS2 FAQ

    PCI DSS FAQ

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