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Security

Penetration Testing

An authorised, simulated attack on a system to find the vulnerabilities a real attacker could exploit, before they do.

A penetration test is a controlled attempt to break into a system with the owner’s permission, carried out by people using the same techniques a real attacker would. The goal is to find the weaknesses that matter in practice (the ones that actually chain together into a breach), and to prove them, rather than list theoretical risks.

It is different from an automated scan, which flags known issues. A good penetration test brings human judgement: understanding the business, chaining minor flaws into a real compromise, and prioritising by genuine impact. The deliverable that matters is not a long list of findings but a clear account of what an attacker could actually do and what to fix first.

Related terms

Working out whether you need Penetration Testing?

Definitions are the easy part. If you are trying to decide whether Penetration Testing belongs in your system, describe what you are building and a senior engineer will give you a straight answer, including when the answer is that you do not need it.

  1. 01A senior engineer reads it. Not a form queue, and not an account manager.
  2. 02We reply either with questions or with a straight answer that we are not the right fit.
  3. 03If it looks like a fit, a technical call with the person who would actually run the delivery.
  4. 04Then scope, effort and risk in writing, before anyone signs anything.

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