Free Guide – Irish Business
15 Pages No Charge Immediate Download
Most businesses commission penetration tests to satisfy a cyber insurance requirement or tick a compliance box. The report arrives, gets filed, and three months later they discover vulnerabilities that have been actively exploited for weeks. The test itself was not the problem. The problem was not understanding what to do with it.
This guide cuts through the technical language to give decision-makers a clear picture of what penetration testing involves, what separates a useful engagement from an expensive one, and what good looks like when a report lands on your desk.
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The difference between vulnerability scanning and penetration testing, and why both matter
What you are required to have in place — from incident reporting timelines to supply chain controls
A social engineering walkthrough and how legacy system vulnerabilities are commonly exploited
Scoping, reconnaissance, reporting, remediation tracking, and when to retest
Qualifications to look for, red flags to avoid, and nine questions to ask before you sign anything
What NIS2, DORA, and cyber insurance policies actually require from your testing programme
“It’s not about ticking compliance boxes or satisfying auditors. It’s about finding your security gaps before attackers do.”
Chief Technical Engineer, DNA IT Solutions
Vulnerability scanning and penetration testing are often used interchangeably, but they serve different purposes. Scanning identifies known weaknesses in your systems automatically; it is relatively inexpensive and should run regularly. Penetration testing goes further: it uses human intelligence to chain vulnerabilities together, test whether your security controls actually work in practice, and determine the real business impact of any gaps found.
A vulnerability might appear critical in a scan but prove unexploitable in your specific environment. Conversely, several minor issues can combine to create a severe risk that automated tools would never surface. That distinction is what you are paying for. The guide includes a full set of questions to ask any provider before commissioning a test, along with a checklist of red flags that indicate a firm offering penetration testing as a sideline rather than a specialism.
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This guide was produced by the team at DNA IT Solutions, Ireland’s MSSP of the Year 2025.
If you have questions about the robustness of your cyber security, Seán Lucas and the team are available for a no-obligation call — contact us at [email protected] or on +353 (0)1 651 0300.
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