Project risks

Risk Breakdown Structure (RBS) – How to structure risk and make better decisions

In almost every project, risk is just around the corner. To keep it under control, it is worth using a Risk Breakdown Structure – a tool for organizing and managing risk in a project, helping you identify potential threats in an organized, transparent, and, most importantly, effective way. Find out what RBS actually is and how to use it in practice.

Hierarchical diagram showing Risk Breakdown Structure (RBS)

Key takeaways:

  • What a Risk Breakdown Structure (RBS) is and why it matters in project management
  • How to identify and categorize project risks using a hierarchical approach
  • How RBS helps prioritize risks and plan effective responses
  • The difference between RBS and a risk register
  • How tools like FlexiProject make risk analysis more efficient

What is RBS and why should you use it?

A Risk Breakdown Structure is essentially a hierarchical model used to organize risks in a project according to their level of detail, ranging from general categories to specific threats.

RBS acts as a compass for project managers, allowing them to assess the scale of threats more effectively and plan appropriate security measures. This tool is useful not only for identifying all significant risks but also for classifying and prioritizing them. In this way, project resources can be allocated more consciously and wisely, preventing unnecessary waste.

Simply put, the Risk Breakdown Structure is an effective way to avoid panic in the event of a crisis and instead approach the problem with a cool head and a plan in place.

Visualise risk like a decision tree

When considering RBS, it is worthwhile to envision a hierarchical tree of risk categories. At the highest level are the main risk groups. Typical categories include:

  • technical risks
  • schedule risks
  • financial risks
  • legal risks
  • external risks

Each of these categories can be further divided into more detailed subgroups, creating a complete, branched structure. This approach to potential risks in a project not only facilitates a better understanding of them but also enables the faster identification of their interrelationships and possible impact on the success of the entire undertaking.

RBS tree diagram of risks grouped for faster response and better strategy
RBS tree diagram of risks grouped for faster response and better strategy
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The key stages of project risk management

Managing risk with RBS typically involves three key stages. Foremost, it is worth planning how to respond to potential threats. The next stage is to identify risks, followed by building a Risk Breakdown Structure.

1.      Planning – how will we manage risks when they appear?

The first step on the road to successful risk management is to determine which one of risk response strategies would be most appropriate. How to manage and monitor risks with ease? It is worth focusing on defining tools, techniques, and team roles. It’s the ideal time to define a clear plan that will be useful in a critical situation.

2.      Identifying risks

The project risk identification process is essential to understand potential threats. To identify them reliably, you can use proven methods such as brainstorming. Collaborative risk analysis with your team helps uncover threats that may be overlooked when trying to grasp them alone.

It is also worth analyzing the project documentation, in particular the project plans, scopes, and schedules. SWOT analysis is also an invaluable tool, allowing you to identify not only the strengths and weaknesses of the project but also opportunities for success and, finally, potential threats.

3.      Building your Risk Breakdown Structure

Once you have your list of risks, it’s time to organize it, starting with general categories and ending with details. The Risk Breakdown Structure provides a structured approach to transitioning from a flat risk list to a hierarchical framework.

Additionally, at this stage, it is also worthwhile to assess each potential threat in terms of its likelihood of occurrence and potential impact on the project. A simple formula may help you:

Risk = probability × impact

This helps you prioritize risks and focus on those that matter most. A risk matrix prepared in this manner enables you to quickly assess which threats in the project require immediate attention and which can be deferred.

How do we identify and evaluate project risks?
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How do we identify and evaluate project risks?

Learn about project risks and how to manage them effectively.

How RBS supports better risk analysis and prioritization

From a practical point of view, Risk Breakdown Structure does more than just help identify risks. It makes your work easier in many other ways!

Make risk response easier with structure

First and foremost, RBS allows you to categorize threats and prioritize risks. This enhances communication with your team and stakeholders, making resource allocation much easier. What’s more, Risk Breakdown Structure can be used to monitor risks over time and draw conclusions for the future.

But that’s not all RBS in project management has to offer! This tool also enables you to identify recurring patterns across projects and assess a project’s overall risk exposure. With RBS, your project team not only gets a clear picture of the risks but also concrete data to make smart decisions. Planning risk response strategies has never been easier!

Choose the right response strategy

Once the risk structure has been established, it is time to plan the necessary actions. Depending on the specific nature of the risk, there are several options to choose from. These are:

  • Avoiding risk by eliminating activities that generate it
  • Transferring risk, e.g., through outsourcing or insurance
  • Mitigating the effects of risk by limiting its impact
  • Accepting risk if it is unavoidable or insignificant
How to build an RBS in 4 steps
How to build an RBS in 4 steps

Using RBS inside FlexiProject

Tools for risk analysis in projects, such as FlexiProject, offer practical features that allow you to implement Risk Breakdown Structure into your daily project management. How can you benefit from this? Here is a simple guide.

Create structured risk lists with tags and categories

In FlexiProject, you can build a project risk tree diagram by creating main categories and subcategories. Then add specific risk events to the appropriate tags.

This will give you a clear risk hierarchy supplemented with types of task dependencies in the project. All designed to ensure that risk monitoring and analysis keep you sleeping soundly at night.

Track risk status and ownership

FlexiProject also allows you to assign each risk to a specific person (owner), determine the likelihood of the risk occurring, and its potential impact on the project.

Project reviews are an effective way to track who is responsible for monitoring a particular risk, implementing an action plan, and reporting project risks before they threaten the entire project.

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RBS in action – use case and real-life application

To better understand how to categorize project risks in practice, let’s take a look at a real-life example. Imagine a project to develop a new mobile app for an e-commerce client. The team began with a risk identification session, during which three key risks were identified:

  • Technical risk: incompatibility of the application with some older devices, unforeseen integration errors
  • Schedule risk: potential delays resulting from a multi-stage application testing process
  • Financial risk: possibility of exceeding the budget due to the need for additional programming work

The identified risks were then organized in a project management tool using risk structuring techniques.

Visualization of project risks structure
Visualization of project risks structure

Visualizing risks in project tools gave the team a clear understanding of which areas of the project posed the most significant risks. Each risk was then assessed in terms of its likelihood and potential impact on the project. Technical risks related to compatibility were identified as the most likely and impactful and were given the highest priority.

Each risk was also assigned to a specific owner. The CTO was responsible for technical risks, the project manager was responsible for the schedule, and the CFO was responsible for financial issues. Next, detailed response plans were prepared for the highest-priority risk, and a contingency budget was established. The result? Project completed successfully!

RBS vs. risk register – what’s the difference?

Many people wonder what the difference is between RBS and a risk register. The answer to this question is quite simple.

Risk register lists risks – RBS organizes them

RBS is a hierarchical structure for organizing and classifying potential threats, while a risk register is a detailed document that contains risk descriptions, analyses, action plans, and a history of how they have been handled. Psst! For optimal results, it’s advisable to use both tools. RBS is great for keeping chaos under control, while a dashboard for risk tracking allows you to translate this into specific operational actions.

Is RBS only for large or complex projects?

Contrary to appearances, RBS is not reserved exclusively for large players. Risk Breakdown Structure can be just as effective in small-scale projects. The key to success lies in appropriate scaling – the smaller the project, the simpler the structure that will be sufficient. After all, the point is not to forcefully expand the project risk monitoring system but to create a structure tailored to a specific project. Sometimes, just a few well-defined categories are enough to bring clarity and control.

Włodzimierz Makowski
Włodzimierz Makowski
CEO at FlexiProject

Włodzimierz is the CEO of FlexiProject and an expert in project management. Over the past 20 years, he has gained extensive experience working with international companies on the delivery of dozens of large-scale projects - today, he passionately applies this expertise in developing the FlexiProject system. He leads the team responsible for its development, implementation, and promotion, helping modern businesses achieve their goals.