2025 Comparison
service
Data last verified: January 2025
Internal vs External Penetration Testing: What's the Difference?
External tests perimeter defenses. Internal tests post-breach scenarios. Both are critical.
Pricing verified Q1 202545+ vendor interviews127+ data sourcesUpdated monthly
Side-by-Side Comparison
| Factor | Internal Pentest | External Pentest |
|---|---|---|
| Perspective | Inside attacker/compromised user | Outside attacker |
| Scope | Internal network, AD, lateral movement | Internet-facing assets |
| Cost | $7,000-$35,000 | $5,000-$20,000 |
| Complexity | Higher - larger attack surface | More focused |
| Common Findings | Weak AD, lateral movement paths | Web vulns, exposed services |
Our Verdict
Start with external pentest for perimeter. Add internal for complete 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 2025 • Next update: April 2025
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