We’ve all heard the expression, “A picture is worth a thousand words.” This is particularly true with respect to your cybersecurity posture when you’re talking about understanding, visualizing and communicating your cyber-risk. A risk heat map is a graphical representation of data where the individual values contained in a matrix are represented as colors that connote meaning. Where charts have to be interpreted and tables have to be understood, heat maps are self-explanatory and intuitive. Because they are tailor-made for putting massive data sets into a context that’s easy to understand, they are increasingly valued as a superior data visualization tool – particularly in the area of cybersecurity, where they help organizations identify, prioritize, and mitigate risks.
Key considerations for risk heat maps
To develop an effective cybersecurity risk heat map, consider these critical elements:
- What are your most critical systems and information assets (those you want to map)?
- How accurate is the data and where is it coming from?
- What is your organization’s appetite for risk?
- What categories and levels of impact would be considered material (e.g., monetary, brand reputation, other)?
- What is the range of acceptable variance from your key performance and operating metrics?
- How will you define terms to integrate potential risk events with your heat map?
Benefits of using risk heat maps
Risk heat maps can offer significant benefits to the security teams:
- A visual, big picture, holistic view that can be shared to make strategic decisions
- Improved management of risks and governance of the risk management process
- Increased focus on risk appetite and the risk tolerance of the company
- More precision in the risk assessment and mitigation process
- Greater integration of risk management actions across the enterprise
Building a cyber-risk heat map
For the heat map to be insightful and comprehensive, it needs to be created using accurate, and complete information.
With a rapidly increasing attack surface, the first step is to accurately measure your attack surface. This means getting complete visibility into all your IT assets (devices, apps, and users) and then continuously monitoring them across 200+ attack vectors.
Then, you need to analyze the observations to derive risk insights. This is a layered calculation that involves the incorporating information about threats, vulnerabilities, mitigating actions, business criticality, impact elasticity, and time-to-repair.
Cybersecurity heat maps involve an extensive and disciplined assessment process at the back end, in order to present a simple visualization of risks and recommended actions at the front end. The heat map is an essential and useful output of your overall cybersecurity assessment and vulnerability management process.
In order to keep up, you need continuous risk measurement and visualizations that identify security gaps in real time.
Cyber-attackers continue to launch evasive, multi-pronged attacks. Risk heat maps are an important output of comprehensive security intelligence solutions that monitor the organization’s cyber-health and detect, analyze, and remediate cybersecurity threats and vulnerabilities. Automation (AI, self-learning systems) can help an organization wrap its arms around massive amounts of data. And, the heat map’s use of data visualization helps organizations see information differently – making better decisions in a way that spreadsheets and traditional static business intelligence are simply unable to support.
In short, heat maps present a very complex set of facts in an easily digestible way. This helps organizations build cyber-resilience in a very challenging cyber-world.
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