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Key performance indicator

As explained in Data-Driven Cybersecurity

A key performance indicator is a metric selected to evaluate progress toward an important organizational objective or performance target.

A key performance indicator (KPI) is a selected metric for evaluating progress toward an important security or business objective. Effective KPIs do more than record conditions: they support decisions, show whether initiatives reduce risk, and connect cybersecurity performance with organizational outcomes. section 3.2.5 section 4.1.2

Useful KPIs support a measurable improvement cycle:

  • Establish a baseline before changing tools, processes, or training. section 3.2.5
  • Set specific, measurable targets and monitor the same measures afterward. section 3.2.5
  • Tailor the presentation to the stakeholder: executives need risk and business effects, while responders need alerts and threat detail. section 3.4.1
  • Map security results to business continuity, operational efficiency, customer trust, compliance, or financial effects. section 4.1.2

HealthSecure investment report

A board presentation uses incident response time, ransomware mitigation, HIPAA compliance, cost savings, and system uptime to show the effect of a $500,000 threat-detection investment. Response time falls from 24 to 4 hours, no successful ransomware attacks occur during the year, HIPAA audits pass at 100%, and estimated total value reaches $3 million. section 4.3.4

Figure 3.3 Example report showing some graphics that can be used to help drive the store behind the metrics
A close-up of a document

Description automatically generated

Use the example report graphics to connect KPI trends with security improvements and leadership decisions. section 3.2.5

How Data-Driven Cybersecurity covers it

How deep it goes
Explains baselines, measurable targets, monitoring, stakeholder tailoring, and business mapping, without detailing KPI calculation methods.
Examples
Uses incident response time, ransomware incidents, HIPAA compliance, system uptime, breach prevention, and operational savings.
What it assumes
Assumes measurable security activity and organizational objectives, while establishing baseline comparison and business alignment.
What you can do after
Apply it via KPI dashboards and reports that compare results with baselines and communicate security value to decision-makers.
How it connects
Connects security metrics with risk, dashboards, business performance indicators, compliance, incident response, and return on investment.

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This explainer was generated by Manning's knowledge graph from the text of Data-Driven Cybersecurity. The section links point to the parts of the book it draws on.