Penetration Testing Knowledge Base
Penetration testing shows what an attacker could actually exploit within an agreed scope. Use this collection to understand the main types of testing, what network and consulting engagements include, when red teaming makes sense, what NIS2, DORA, PCI DSS, ISO 27001, and SOC 2 expect, and how to compare providers before you sign.
Featured starting point
What Is Penetration Testing? A Plain-Language Guide for Organizations
Start here for how a pentest works, what it covers, how it differs from scanning, and when your organization needs one.
Understand the testing
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Types of Penetration Testing Explained: Which One Does Your Organization Need?
External, internal, web application, API, cloud, and social engineering tests, and when each one applies.
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Network Penetration Testing Services: Scope, Process, and What to Expect
Internal versus external network tests, the engagement stages, deliverables, timelines, and cost drivers.
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Penetration Testing Consulting: What It Includes and When You Need It
How scoping, testing, reporting, remediation support, and retesting fit into one consulting engagement.
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Go beyond a standard pentest
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Adversary Simulation and Red Teaming: How Realistic Attack Testing Works
Goal-based, multi-stage attack testing that checks prevention, detection, and response together.
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DORA Penetration Testing (TLPT): What Financial Entities Must Know
What threat-led penetration testing requires under DORA and which financial entities it applies to.
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Choose a provider
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Penetration Testing Vendor Evaluation: How to Choose a Provider
A side-by-side way to compare scope, tester expertise, methodology, reporting, retesting, and price.
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External Penetration Testing Companies: How to Choose a Provider
What external testing should cover, how provider delivery models differ, and what to check before buying.
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Test for a compliance requirement
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PCI DSS Penetration Testing Requirements: The Complete Guide for 2026
What Requirement 11.4 demands: annual internal and external tests, segmentation testing, and retesting.
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Penetration Testing for NIS2 Compliance: What European Organizations Must Do
How NIS2's risk-based security testing translates into a practical pentest programme.
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ISO 27001 Penetration Testing: What the Standard Expects and How to Do It Right
How pentests support an ISMS and Annex A controls, even though the standard does not mandate them.
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SOC 2 Penetration Testing: What Auditors Actually Expect
Why auditors and customers expect pentests for SOC 2 Type II and which criteria they support.
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Who writes and reviews this
Q-Sec's Security Operations Center writes the knowledge-base material. Named experts review technical, compliance, or commercial claims only after completing the review. Every article shows its publication date and last meaningful update.