Spain Royal Decree 311/2022 — National Security Scheme (ENS)

Overview

Spain RoyalDecree 311/2022 — National Security Scheme (ENS) is a nationalcybersecurity framework that establishes mandatory requirements forprotecting information systems and data within the Spanish publicsector. Its primary purpose is to ensure a common baseline ofsecurity controls, promoting the reliability, confidentiality, andintegrity of public digital services.

Published by theGovernment of Spain, ENS applies to all public administrations, aswell as private entities providing services or operating informationsystems on behalf of the public sector. The decree sets out acomprehensive set of cybersecurity controls and governance practices,addressing areas such as risk management, access control, incidentresponse, and compliance oversight across information assets anddigital infrastructures.

Organizationsimplement ENS by conducting risk assessments, adopting tailoredsecurity controls, and establishing ongoing compliance and monitoringprograms. It is frequently integrated with broader cybersecurity andrisk management frameworks, enabling organizations to strengthenregulatory compliance, support audit readiness, and protect sensitivedata across public sector operations.

Why it Matters

The Spain RoyalDecree 311/2022—National Security Scheme (ENS) establishes aunified security framework to safeguard public sector digital systemsand data.

Key benefitsinclude:

•  Strengthen cybersecurity governance

Clarifies roles,responsibilities, and baseline security measures, enabling consistentdecision-making and risk management across public sector entities.

•  Improve regulatory compliance

Facilitatesadherence to national and European legal requirements, reducing riskof penalties and supporting trust in digital services.

•  Enhance operational resilience

Requires robustcontrols and contingency planning to reduce service disruptions andprotect critical government operations from evolving cyber threats.

•  Increase incident response readiness

Mandatessystematic monitoring and clear response procedures, enabling earlydetection and rapid mitigation of security incidents.

•  Promote protection of sensitive data

Implementsstringent controls around data handling and access, minimizingunauthorized disclosure and ensuring citizen information isappropriately safeguarded.

How it Works

Spain’s RoyalDecree 311/2022 establishes the National Security Scheme (ENS), whichstructures its requirements into a comprehensive set of securityprinciples, measures, and controls. The ENS organizes thesesafeguards within control families, addressing areas such asorganizational framework, protective measures, and continuousimprovement. Its framework further outlines three graded compliancecategories—basic, medium, and high—tailoring securityrequirements to the risk profile and sensitivity of informationhandled by public sector entities and related organizations.

Organizationsimplement ENS by evaluating their current security posture,conducting risk assessments, and mapping operational practices to theprescribed control catalog. They deploy required security controls,adapt policies and procedures to ENS standards, and embed riskmanagement processes into day-to-day operations. Ongoing activitiesinclude maintaining governance structures, conducting periodiccompliance reviews, monitoring control effectiveness, and documentingevidence for regulatory oversight.

SmartSuiteenables organizations to manage ENS operationalization throughfeatures such as a control library aligned to ENS requirements,automated risk registers, and policy governance modules. Users cantrack compliance status, collect supporting evidence, and facilitateaudit readiness through centralized dashboards. The platform alsosupports remediation workflows and reporting tools, helpingorganizations maintain security practices and demonstrate ongoingcompliance with the National Security Scheme.

Key Elements

•  Security Measures Categories

Groups controlsinto logical areas such as organizational, operational, andprotective security requirements.

•  Risk Assessment Processes

Establishesprocedures for identifying, analyzing, and addressing risks toinformation assets and services.

•  Security Dimensions Classification

Defines theframework’s structural pillars: confidentiality, integrity,availability, authenticity, and traceability.

•  Maturity and Assurance Levels

Describesassurance tiers that determine the depth and rigor of requiredsecurity measures.

•  Governance and Policy Framework

Specifiesmechanisms for management oversight, compliance, and theestablishment of security policies.

•  Asset Identification and Inventory

Organizessystematic approaches for cataloging, classifying, and maintaininginformation and technology assets.

•  Incident Management Structure

Outlinesprotocols for preparing, reporting, and responding to cybersecurityincidents within the organization.

Framework Scope

Spain RoyalDecree 311/2022 — National Security Scheme (ENS) is adopted bySpanish public sector entities and third parties managing governmentinformation or services. It governs the security controls ofinformation systems and electronic services, and is typicallyleveraged for complying with regulatory mandates, enhancingoperational resilience, and supporting cybersecurity and complianceoversight.

Framework Objectives

Spain RoyalDecree 311/2022 — National Security Scheme (ENS) defines theessential principles and requirements to ensure effectivecybersecurity and regulatory compliance for public sectororganizations.

•  Safeguard information systems through robust security controlsand risk management measures

•  Strengthen governance structures to oversee cybersecuritypractices and responsibilities

•  Promote regulatory compliance with national cybersecurity anddata protection requirements

•  Enhance operational resilience against cyber threats andincidents

•  Improve audit readiness by establishing clear securitydocumentation and controls

•  Support the protection of personal data and sensitiveorganizational information Spain’s Royal Decree 311/2022—NationalSecurity Scheme (ENS)—aligns with frameworks like ISO 27001, NISTCybersecurity Framework, and the European Union’s NIS Directive.Organizations in Spain implement ENS primarily to meet nationalregulatory requirements for public sector cybersecurity, support riskmanagement, and demonstrate compliance in governmental and criticalinfrastructure sectors.

Common Framework Mappings

ENS is oftenmapped to international and industry-leading frameworks to streamlinecompliance, demonstrate due diligence, and reduce audit complexityfor organizations operating in global and regulated environments.

Mappedframeworks include:

CIS CriticalSecurity Controls

COBIT

GDPR

ISO/IEC 27001

ISO/IEC 27002

ISO/IEC 27017

ISO/IEC 27018

NISTCybersecurity Framework

NIST SP 800-53

PCI DSS