Enterprise Penetration Testing
Attackers don’t need an advanced exploit to breach your enterprise. They need one misconfigured server, one over-privileged account, or one phishing email. Our enterprise penetration test finds every realistic path before they do.
What is Enterprise Penetration Testing?
A full-scope, multi-vector security assessment of your enterprise environment — simulating an advanced threat actor targeting your networks, applications, identity systems, and physical infrastructure.
Enterprise environments are high-value targets with complex, multi-layered infrastructure. Most enterprise breaches exploit weaknesses that existed for months — often a misconfigured server or an over-privileged account that never got reviewed.
At a Glance
- Frameworks
- PTES, NIST SP 800-115, OWASP, MITRE ATT&CK
- Typical Timeline
- 2–4 weeks depending on scope
- Report
- Executive summary + full technical findings
- Retest
- Complimentary, included in every engagement
- NDA
- Signed before any technical discussion
- Testers
- In-house certified consultants only
Outcomes that move your security forward
What You Receive
Executive Summary Report
Board-ready overview of risk exposure, key findings, and strategic recommendations
Full Technical Findings Report
Every vulnerability documented with proof-of-concept evidence, CVSS risk score, and affected systems
Remediation Roadmap
Prioritised fix list ordered by risk severity so your team knows exactly where to start
Attack Path Diagrams
Visual maps showing how an attacker could move from initial access to critical assets
Retest Report
Issued after remediation to confirm all critical and high findings have been resolved
Executive Debrief Call
Walkthrough of findings and recommendations with your security and leadership team
What We Test
Our enterprise penetration test covers every layer of your attack surface — internal, external, identity, and beyond.
How We Run This Engagement
Every engagement follows a defined, transparent process — so you always know what is happening, when, and what to expect next. No surprises, no hidden scope changes.
Scoping & Planning
Define targets, rules of engagement, test windows, and objectives with your security team.
External Reconnaissance
Map exposed assets, identify misconfigurations, and enumerate the attack surface.
External Attack Simulation
Attempt to breach the perimeter using real-world exploit techniques.
Internal Testing
Once inside (or from an assumed-breach position), assess lateral movement, privilege escalation, and data access.
Reporting
Deliver executive summary and full technical report with risk-rated findings and remediation roadmap.
Retest
Verify that critical findings have been remediated. Issue formal retest certificate.
Why Work With Vigilant Defenders
Manual Testing. Not Scanner Output.
Automated tools find known signatures. Our certified consultants find the chained attack paths, logic flaws, and context-specific vulnerabilities that no scanner will surface. Every finding we report is manually verified — zero false positives.
Reports Built for Action, Not Filing.
Every finding includes a proof-of-concept, a CVSS risk score, the affected system or endpoint, and step-by-step remediation guidance written for the team that has to fix it. Your developers and your board both get a report they can use.
Confidentiality From Day One.
We sign a formal NDA before any technical discussion begins. Your vulnerabilities, your architecture, and your engagement findings are treated with the same confidentiality as attorney-client communications. We have never disclosed client information.
We Stay Until It's Fixed.
Every engagement includes a complimentary retest once your team has addressed the findings. We verify that the vulnerabilities are genuinely closed — not surface-patched — and issue a formal retest certificate you can share with clients and auditors.
We Understand Enterprise Environments.
We have tested complex multi-site environments with Active Directory forests, legacy on-premise systems, and hybrid cloud setups. We understand how enterprise infrastructure actually fails under attack — and our findings reflect that context, not generic scanner output.
Frequently asked questions
Everything you need to know about this engagement.
Enterprise testing covers the full attack surface — external perimeter, internal network, AD, email, cloud, and applications — across multiple systems simultaneously. It simulates a sophisticated, persistent threat actor rather than a single-vector attack.
Related services
Find Out What a Determined Attacker Could Do in Your Enterprise
Get a free scoping consultation — no commitment required. We’ll scope the right enterprise penetration testing engagement for your environment and send a fixed-fee proposal within 24 hours.