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Digital transformation of the public Sector must be accompanied by organizational and technical measures of security to protect the information managed and services provided to the risks from malicious or illicit actions, particularly of cyber threats, errors or mistakes and accidents or disasters.

The Law 39/2015, 1 October, Common Administrative procedure of public administrations (Opens in new window) collects between the rights of people in their relations with public administrations, established in Article 13, the relative “ to the protection of personal data, and in particular the security and confidentiality of the data contained in the files, systems and applications of public administrations ”. While the security is among the principles of action of public administrations, as well as the guarantee of protection of personal data, as established in the Law 40/2015, 1 October, of Legal Regime of the public Sector (Opens in new window) in his article 3 dealing with the general principles relating to relations of administrations by electronic means.

In response to the foregoing, article 156 of law 40/2015 reflects the National security scheme (NHIS) “ aims to establish security policy in the use of electronic media in the scope of this law, and consists of the basic principles and minimum requirements that adequately information security treated ”.

The ENS was previously established by Article 42 of Law 11/2007 and is regulated by the Royal Decree 3/2010, of January 8th (Opens in new window) , which was modified by the Royal Decree 951/2015 (Opens in new window) to update it in the light of experience in their implantation of the evolution of technology and cyber threats and international regulatory context and European.

The technical safety instructions , binding, are essential to ensure adequate, uniform and consistent implementation of the requirements and measures contained in the outline and, particularly, to indicate the common way of acting on specific aspects: Report of the state of security; Notification of security incidents; Audit of safety; Line with the national security Scheme; Acquisition of security products; Cryptology of employment in the national security Scheme; Interconnection in the national security Scheme; and security requirements in environments outsourced.

The guides of security by the National PKIX Centre, called CCN-STIC guides (Opens in new window) and available in the Portal del CCN-CERT (Opens in new window) help with best compliance with the national security Scheme, in particular, the collection of guides of the series 800.

The ENS was developed in the light of the state of the art and the main referents in safety of information from the European Union, OCDE, national and international standardization, like in other countries, etc.

The ENS is the result of a work coordinated by the Ministry of Territorial Policy and Public function together with the National PKIX Centre (CCN) and the participation of all the AA.PP., through the collegiate bodies responsible for digital administration. They have been designed with the view of industry associations TIC sector.


El Esquema Nacional de Seguridad (ENS) persigue los siguientes objetivos :

  • Crear las condiciones necesarias de seguridad en el uso de los medios electrónicos through measures to ensure the safety systems, data, communications, and electronic services, allowing the exercise of rights and duties through these means.
  • Promote continuing management security .
  • Promote prevention detection and correction, for better resilience in the scene of cyber threats and cyber attacks.
  • Promote a homogeneous treatment security to facilitate cooperation in the provision of public services digitales when participating various entities. This means providing the common elements that guide the performance of public Sector entities in safety of information technologies; also provide a common language to facilitate interaction, as well as the communication of the requirements of information security industry.
  • Serve as a model of good practices, in line with the recommendations of the ‘ OCDE Digital Security Risk Management for Economic and Social Prosperity - OECD Recommendation and Companion Document

In the national security Scheme is conceived security as an integral activity, in which there can be no action punctual or cyclical treatments, due to the weakness of a system is determined by its point more fragile and often this point is the coordination between individual measures appropriate but poorly assembled.

Elements of the national security Scheme

The main elements of ENS are as follows:

  • The basic principles a considerar en las decisiones en materia de seguridad (arts. 4-10).
  • The minimum requirements allow adequate protection of information (arts. 11-26).
  • El mecanismo para lograr el cumplimiento de los principios básicos y de los requisitos mínimos through security measures provided a la naturaleza de la información y los servicios a proteger (arts. 27, 43, 44, Anexo I y Anexo II).
  • The use of common infrastructure and services (art. 28).
  • Safety guides (art. 29).
  • The instructions security techniques (art. 29 and additional provision 4th).
  • Electronic communications (arts. 31-33)
  • The audit of safety (art. 34 and Annex (III).
  • The response to security incidents (arts. 36 and 37).
  • The use of certified products (art. 18., annex II and annex V).
  • The line (art. 41).
  • The training and awareness (additional provision first).

The principal mandate of ENS is established in Article 11 ‘ minimum requirements of security ’, whereby “ all the higher level of public administrations should formally have its security policy that articulates continued management of security, which shall be adopted by the holder of the corresponding upper Body ”, which was established in base to the basic principles and will run through the minimum requirements.


The Scope the national security Scheme is the public Sector, as established in Article 2 of laws 39/2015 and 40/2015 on the field subjective and what is stated on the public sector institutional. Are excluded from its scope systems dealing with classified information regulated by law 9/1968 of 5 April, on official secrets and its rules of development.

Alignment with national security Scheme

An orderly adequacy to national security Scheme requires treatment of the following issues, expressed very succinctly:

ENS alignment to the figure

Accordance with ENS

The ENS in its Article 41 on ‘ Publication in accordance ’ notes that the bodies and public entities give publicity in the corresponding electronic headquarters declarations of conformity, and the hallmarks of security of those who are creditors, obtained with regard to compliance with ENS. After the entry into force of laws 39/2015 and 40/2015 affects all public Sector entities in Spain, as well as private Sector operators providing solutions and services, not only of security, or interested in the certification of conformity with the ENS.

The ‘ Technical safety instruction in accordance with the ENS » establece los criterios y procedimientos para la determinación de la conformidad, así como para la publicidad de dicha conformidad. Precisa los mecanismos de obtención y publicidad de las declaraciones de conformidad y de los distintivos de seguridad obtenidos respecto al cumplimiento del ENS.

More information

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