2026 Comparison
service
Data last verified: January 2026
Black Box vs White Box Penetration Testing
Black box simulates external attacker. White box uses full access for deeper testing.
Pricing verified Q1 202645+ vendor interviews127+ data sourcesUpdated monthly
Side-by-Side Comparison
| Factor | Black Box Testing | White Box Testing |
|---|---|---|
| Knowledge | No prior information | Full access (source code, architecture) |
| Realism | Simulates external attacker | Simulates insider or post-breach |
| Coverage | Limited by discovery | Comprehensive |
| Cost | Higher (more time) | Can be more efficient |
| Findings | What attackers would find | All vulnerabilities |
Our Verdict
Gray box (limited knowledge) often provides best balance of realism and coverage.
Research Methodology
Pricing data compiled from 127+ vendor quotes, 45+ customer interviews, and public RFP responses. Reviewed by security industry experts with 20+ years combined experience.
Last verified: January 2026 • Next update: April 2026
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