Information Security

What is the role of a Security Officer?

The Security Officer is a specialist in information security and ensures that your organization remains compliant with the ISO 27001 standard. But what exactly does this function entail and what impact does it have on an organization? In this article we take a closer look at the role of the Security Officer and what added value this function can provide for your organization.
This article was last updated on
17/4/2025

‍Whatdoes a Security Officer do?

The Security Officer (abbreviated SO) is responsible for all security-related tasks and their coordination within an organization. The SO does everything possible to guarantee the confidentiality, integrity and availability of information. In doing so, he looks at possible risks and the way the organization operates, taking into account legal rules and frameworks.

The SO is sometimes confused with the Information Security Officer, also known as ISO. However, there is no difference in function between these two roles. The CISO (Chief Information Security Officer), on the other hand, is responsible for information security and serves as the point of contact at the executive level. This is common in large organizations.

Is a Security Officer mandatory?

Vanuit de ISO 27001 norm is het verplicht om een Security Officer aan te stellen. Dit kan op meerdere manieren ingevuld worden. Zeker in kleinere bedrijven wordt vaak een IT medewerker aangewezen, maar hij of zij beschikt niet altijd over de juiste kennis en ervaring. Om de rol van Security Officer goed in te vullen wordt daarom vaak gekozen voor een externe partij. Zij nemen de rol en verantwoordelijkheid op zich en nemen al jouw zorgen uit handen.

What are the duties of a Security Officer?

Een Security Officer is verantwoordelijk voor alle security gerelateerde taken en de coördinatie daarvan binnen een organisatie. Organisaties die een ISO 27001 of NEN 7510 certificaat willen behalen of al in bezit hebben, brengen de volgende taken onder bij een Security Officer:

  • Establish and enforce an information security policy
  • Maintain, improve and evaluate the Information Security Management System (ISMS)
  • Implement technical and policy measures to ensure the availability, integrity and confidentiality of information within the organization
  • Establishing and periodically evaluating screening procedures, backup and password policies and performing risk analysis, among other things
  • Monitor compliance with information security laws and regulations
  • Organiseren en begeleiden van interne audits
  • Support information security issuesof other business units
  • Managing the system and available resources

What should you be able to do in the role of Security Officer?

In most cases, a Security Officer has a completed college or university education. In addition, practical experience with information security is important and knowledge of implementing and managing an ISMS is important. Some organizations require additional certifications such as CISSP, CISA, CISM or RE training.

Other important skills:

  • Communication skills for good communication with the board, management and other team members.
  • Strong personality because not all changes are appreciated
  • Being discreet and an example to others

¨As a Security Officer, I manage and maintain the ISMS of NowOnline and J&J, so that the ISO 27001 certification remains guaranteed.¨

‍SecurityOfficer vs. Privacy Officer

Whereas the Security Officer focuses on securing information and systems from threats and breaches, the Privacy Officer concentrates on protecting sensitive personal data and enforcing privacy policies.

Is het beschermen van informatie een belangrijk issue voor jouw organisatie? Bekijk onze Security Officer as a service dienst en andere interim specialismes en haal alle kennis en expertise in huis. Al beschikbaar vanaf 4 uur per week.

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Kilian Houthuijzen
Commercial Manager & Partner
085 773 60 05
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