In a world where data is more valuable than oil, real IT security doesn't start with firewalls or virus scanners, but with a clear understanding of risks. If you don't know which threats are relevant to your company, you won't know how to prevent or control them. Therefore, information security starts with risk management.
Risk management describes the structured handling of potential vulnerabilities and threats that could have a negative impact on the company and its objectives. In information security, this means that you analyze which IT risks exist, assess them and then decide how to deal with them.
The aim is not to completely eliminate every risk. Rather, the aim is to identify and assess risks and, if the risk is considered too high, to take appropriate measures to mitigate them.
A risk always arises when a threat encounters a vulnerability - and damage can result. Example: A server that has not been equipped with the latest security updates (vulnerability) becomes the target of a ransomware attack (threat) - the potential damage is data loss or downtime.
Risk = threat + vulnerability
Level of risk = impact x probability of occurrence
Systematic risk management generally follows a fixed process. The five phases are
Risk identification
What risks are there? Technical, organizational, human?
Risk assessment
How high is the probability of occurrence? How serious would the impact be?
Risk analysis & prioritization
With the help of a risk matrix in IT security, you can prioritize risks according to probability of occurrence and impact (also known as the level of damage).
Risk treatment
Now you decide: Do you want to mitigate the risk, i.e. take measures to minimize the damage? Or transfer it (e.g. via insurance), accept it or avoid it? Not every risk can simply be avoided and the risk tolerance can of course vary depending on the company.
Monitoring & review
Risks change. New threats emerge, others become irrelevant. That's why you need to review the process regularly.
Many companies fall into the same trap: they invest in security products without knowing where the real vulnerabilities lie. The most effective step is to mitigate risks before they become real.
What does that mean in concrete terms?
An outdated operating system? → Introducing patch management
Lack of access controls? → Introduction of multi-factor authentication
No backups? → Set up automated backup strategies
Uninformed employees? → Implement awareness training, recognize and ward off social engineering
The key is not to want to completely rule out every risk, but to take targeted measures to reduce the probability and/or impact.
This is called mitigation - mitigating the risk, not eliminating it. Because complete safety is an illusion.
The term "mitigate" comes from the English "to mitigate" and means to lessen, mitigate or alleviate. In information security, the aim is to design security measures in such a way that the probability of a risk occurring or the potential level of damage is reduced.
A classic example:
Risk: External attacks on a web server
Mitigating measure: Use of a web application firewall (WAF), geo-blocking, logging & monitoring
Risk Management takes care of all tasks relating to risk management: from systematic analysis and documentation to the management of measures. It answers questions such as:
What does risk management in IT involve?
Which vulnerabilities and threats are relevant?
Which risks must be treated with high priority?
Which measures make economic sense?
Well-organized risk management becomes a strategic partner for IT - not just a compulsory operational exercise. If you need support with implementation, professional IT security consulting offers clear added value.
A risk matrix helps you to visually assess and prioritize risks based on their probability of occurrence and potential damage. It's easier than many people think. Here is a step-by-step guide to creating your own matrix:
Identify risks
Collect all known or conceivable risks - e.g. data loss, ransomware, hardware failure or human error.
Evaluate probability
Estimate how likely each risk is to occur.
Evaluate impact
Assess how serious the consequences would be if the risk were to occur.
Prioritize risk
Multiply probability × impact. A risk with e.g.4 (probable) and 5 (existence-threatening) results in a value of 20 - and therefore the highest priority.
Define threshold values and display matrix
Define for your company which risks are unacceptable and require measures (e.g. 15-25) and mark them in red. Moderate risks (e.g. 8-15) in yellow. Here, measures are optional and should be implemented if economically viable and then low risks in green.
A frequent risk factor in everyday life is the insecure use of passwords. Good password management can help to significantly reduce this risk - especially in decentralized teams or organizations with high user access.
If you take information security seriously, your work does not start with tools or software, but with a structured view of risks. Only those who know their threats can effectively mitigate them - i.e. make them manageable.
You don't have to do everything yourself. There are tools, partners and frameworks to support you. But the most important step is up to you: start identifying your risks - and get them under control before they take control of you.