6 Steps to Implement ISMS For Your Business Case!
Agus Setiawan

PhD candidate and result-oriented Director with 25 years experience with involvement in all levels of Business Strategy, Sales and Marketing, Managing Project and Product Development. Aside of managing a company, he is also the best corporate trainer and public speaker in seminar and conference.

6 Steps to Implement ISMS For Your Business Case!

Creating a new Information Security Management System (ISMS) can be a big investment. However, the advantages of establishing a strong, effective, ISO 27001 compliant or certified ISMS far outweigh the expenditures. In fact, it can have a surprisingly high ROI.

Here are the steps needed to implement ISMS!

1. Scope the ISMS

An ISMS must first be defined before it can be implemented. You’ll see that this stage resembles traditional risk management techniques quite a bit. The scope includes Information Assets, Assets Value, IT Requirements, and Contractual Agreements.

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2. Assess Risk

After scoping, you must analyse the risk of the assists that are included in the scope. Before you can assess risk, you must first define the risk assessment methodology you use. The risk assessment is an iterative process.

Finally, a risk assessment is all about providing intelligence to you and your leadership so you can make informed decisions about the risk you’re facing and how you’ll respond to it.

3. Respond to Risk

After you've completed the risk assessment, you’ll need to decide how you’ll respond to the dangers you’ve identified. Accept, mitigate, or transfer are the three options available. Not only must you decide what to do with each threat, but you must also justify your actions.

If you want to establish controls to minimize a threat, you’ll need to figure out what those controls are and how they'll work. You must describe how the risk will be assumed by the third party if you plan to transfer the risk to another party.

4. Implement Controls

You must then choose and apply the security controls required for risk mitigation after determining how you will address each of the risks identified in your risk assessment. Many people believe that this is the most important step.

Administrative and technical security controls are the two types of security measures that ISO covers:

• Policies, procedures, and recommendations are example of administrative controls.

• Firewalls, event logs, encryption, and anti-malware are examples of technical controls.

5. Perform Internal Audits

You must now guarantee that the security controls you specified and deployed are maintained. Step five is creating an internal audit program to ensure that your ISMS is working properly.

Many companies outsource control testing to get a more objective review and feedback. There is, however, no compulsion to hire outside help.

6. Ensure Continuous Improvement

Implementing a feedback mechanism to enable continual improvement for the entire ISMS is the final level of ISO compliance. Adopting a maturity model for all controls is the most typical way to meet this requirement.

Control effectiveness is ranked using maturity models. all controls should have well-defined standards, rules, and procedures, as well as a method to analyse and improve them on a regular basis.


It's important to comprehend who should create this business case. As a general rule, the business case should be developed by the most senior resource available. Furthermore, rather than flying alone, IT workers should aim to enlist other departments such as HR, Operations, Business, and Finance to build a 'shared-ownership' of this business case.

Each step provides a flexible, risk-based approach to security and contains a high-level summary.

Get more insight about ISMS as one of Digital Innovation Strategy on Multimatics!

Building the business case for an isms. (n.d.). Retrieved March 2, 2022, from
Plato, A. (2022, February 2). ISO 27001 - part two - building an ISMS. Anitian. Retrieved March 2, 2022, from

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