Beyond Penetration Testing: How to Achieve Continuous Cyber Assurance

I find there is something reassuring about completing a penetration test. You get the report, see where the weaknesses are, patch the vulnerabilities and, most importantly, you have evidence that your defences have been tested. 

That process has been an important part of cyber security for years, and of course it remains important today. The problem I have is what happens next. Because the moment the test finishes, your technology changes again. A new application is deployed, somebody changes a configuration, software is updated, a supplier is given access, a new starter gets logins. You see the problem, right? Any one of those everyday changes increases your attack surface.

But there is another change happening at the same time. Vulnerabilities are constantly being pursued, and AI is accelerating the process. A vulnerability that wasn't known, understood or relevant when your penetration test was completed could become highly pertinent to your environment days, or even hours, later.

So, the expiry date on a penetration test isn't only driven by changes inside your organisation. It is also driven by a threat landscape that is changing around you.

That's why we need to stop treating a successful annual penetration test as proof that your organisation is secure for the next twelve months. It's proof of what the tester found at that moment in time. Meanwhile, AI-enhanced attackers can scan, analyse and adapt continuously, and autonomous AI raises the prospect of that activity happening at machine speed with less human intervention. A weakness that becomes exploitable immediately after your test doesn't care when your penetration test was carried out.

How to move beyond penetration testing

If vulnerabilities, attack techniques and your own technology are changing continuously, then testing once a year and waiting twelve months to look again no longer makes sense. Especially when AI-enhanced attackers can work at a speed and scale that traditional testing cycles were never designed to match.

The answer is to move towards continuous validation that can keep pace with the environment and help your security team separate theoretical vulnerability from genuine business risk.

But that answer immediately raises a more important question: how do you build something that is always on, in a way that is practical for the organisation? In reality, it comes down to the approach you take, the tools you use, and how you continually prove that what you’ve put in place is still fit for purpose.

Within our Ricoh Cyber Security Practice, we address this through Security Control Validation. Security Control Validation provides an understanding of how vulnerabilities translate into real risk. It’s rarely the number of issues that matters most, but whether those issues can be connected into a viable attack. It combines traditional pen testing with continuous validation, using a simple find, fix, verify model to move away from one-off assessments and towards ongoing assurance.

The crucial part is to understand how those vulnerabilities connect, which combinations matter, and how they could be used in practice to reach something that is critical to the business. Because the challenge isn't finding vulnerabilities but deciding which ones matter.

Security teams are becoming overwhelmed by the sheer number of vulnerabilities being identified, and trying to fix everything simply isn't practical. In fact, the vast majority of them may be irrelevant to a particular organisation, depending on its systems, configurations and exposure. Research by Cisco found that only 4% of reported vulnerabilities pose a high risk to organisations.

That's why traditional scoring alone is no longer enough. Giving every vulnerability a severity score might help describe the issue in isolation, but it doesn't necessarily tell you whether that vulnerability presents a genuine risk to your organisation. For me, that's the real value of continuous validation. It helps move the conversation from, "How many vulnerabilities do we have?" to, "Which of these can actually be used against us, what could an attacker reach, and what should we fix first?"

That distinction matters when your security team is already stretched. Otherwise, you risk spending huge amounts of time patching vulnerabilities that present little practical risk while more important attack paths remain open.

Once a change in your system has been made, you need to know whether it worked. In traditional models, that confirmation only comes at the next scheduled test, which, let's face it, could be months away. Continuous validation closes that gap by allowing re-testing to confirm whether vulnerabilities have been removed, and by continuing to do so as your environment evolves. Just to be clear, I’m not suggesting you throw away annual testing. Pen testing remains an important part of a strong cyber security posture. But relying on a historical test to describe today's risk is becoming increasingly difficult to justify when both the technology and the threat landscape change so quickly.

Make continuous cyber assurance a reality

No two organisations have the same digital DNA. That's why our cyber security team takes a discovery-led approach, bringing together expertise, automated validation and technologies to help organisations continually understand where risk exists, prioritise the fix and verify that defences are working.

If you are curious to know more about how we help organisations move from point-in-time pen testing to continuous security validation, then go ahead and book a meeting with our cybersecurity team. They will outline how continuous security validation can strengthen your cyber resilience.

• Learn more about our cyber security solutions by reading our eBook, Delivering digital continuity in an unpredictable world.
• Request a free cyber security discovery session and we’ll identify clear opportunities to strengthen your organisation's resilience.