Security Debt Scoring

You Have
47 Days of Security Debt

Like technical debt, but for security. NISSI quantifies unpatched vulnerabilities, misconfigurations, and expired certificates into a single, actionable metric.

What is Security Debt?

Every unpatched vulnerability, misconfiguration, or expired certificate represents a delay in security maintenance—accumulating "debt" that increases risk over time.

NISSI tracks each security issue from discovery to resolution, calculating the total number of "debt days" your organization carries. Lower is better.

47
Days of Security Debt
23
Critical
18
High
6
Medium

What We Track

Unpatched Vulnerabilities

CVEs, security updates, missing patches

  • Critical OS patches
  • Application updates
  • Zero-day fixes

Misconfigurations

Security settings that deviate from best practices

  • Weak passwords
  • Open ports
  • Permissive firewall rules

Expired Certificates

SSL/TLS certs, code signing, domain validation

  • SSL certificates
  • API tokens
  • Service credentials

How Debt is Calculated

1

Issue Discovered

NISSI detects a vulnerability, misconfiguration, or expiring certificate

Day 0
2

Debt Accumulates

Each day the issue remains unresolved adds one day of debt

Days Open × Severity Multiplier
3

Severity Weighted

Critical issues count for more debt than medium/low severity

Critical = 3x, High = 2x, Medium = 1x
4

Total Debt Score

Sum of all weighted debt days across your infrastructure

Σ (Days Open × Severity Weight)

Why It Matters

Security debt has real business consequences. Here's how it impacts your organization.

Financial Risk

47 days of debt = $2.3M potential breach cost

Each day of accumulated debt increases your financial exposure

Attack Surface

23 critical issues = 23 potential entry points

Unpatched vulnerabilities give attackers more opportunities

Insurance Premiums

High debt score = higher cyber insurance rates

Insurers use security posture to calculate premiums

Compliance Risk

Debt tracking helps meet SOC 2, ISO 27001 requirements

Demonstrate continuous security improvement for auditors

Know Your Security Debt

Start tracking and reducing your security debt today.