When talking about information security, many people immediately think of firewalls, virus scanners and encryption. But this falls short. Because IT security and an information security management system (ISMS)as defined by ISO/IEC 27001 are not the same thing - they are two sides of the same coin.
But what is the difference? And why should companies keep an eye on both?
IT security: protection through technology
IT security primarily refers to the technical protection of IT systems, networks and data. This includes, for example
- Firewalls to protect against unauthorized access
- Virus scanner to defend against malware
- Data encryption
- Access controls and password protection
IT security aims to prevent specific threats such as hacker attacks, phishing or malware or to minimize their impact.
But technology alone is not enough. Many risks arise due to human error, a lack of processes or a lack of awareness. This is where an ISMS comes in.
ISMS: Systematic security
An ISMS - i.e. an information security management system - goes far beyond technology. It is a holistic approach that defines organization, processes, roles and responsibilities in order to systematically manage information security.
The central elements of an ISMS in accordance with ISO/IEC 27001 are
- Systematic risk analysis and assessment
- Definition of safety targets and measures
- Clear responsibilities within the company
- Regular audits and continuous improvement
- Training and sensitization of employees
An ISMS thus creates the organizational framework in which technical security measures are embedded. It ensures that security precautions not only exist, but also have a lasting effect and are developed further.
Why both are important
IT security without an ISMS often remains a collection of individual measures - reactive, selective, not always strategic.
An ISMS without strong IT security, on the other hand, remains theoretical if there is a lack of technical implementation.
Only the interaction of both levels enables companies to effectively protect themselves against the growing threats of the digital world - and at the same time meet legal requirements such as the GDPR or industry-specific specifications.
Further information
If you would like to delve deeper into the topic, we recommend our article:
ISO 27001: The three basic principles of information security explained
Or you can start directly with an ISO/IEC 27001 Foundation training at SERVIEW. Here you will learn in a practical way how to strategically establish information security in your company.
