The Role of Continuous Penetration Testing in Cyber Resilience

In recent years, organizations have learned how crucial penetration testing is for enhancing cyber resilience. However, traditional penetration testing is insufficient in today’s dynamic threat landscape. Recent trends highlight the need for a more continuous and proactive approach to security testing, and continuous penetration testing is set to record huge growth over the next few years, both among large enterprises as well as SMEs.

Understanding Cyber Resilience

Cyber resilience, as against traditional cybersecurity, works from the standpoint of acknowledging the inevitability of cyber-attacks and breaches. It goes beyond simply preventing attacks but instead developing frameworks and processes that ensure that an organization’s core operations are functional in as little time as possible after an incident. A truly resilient organization would be able to ensure business continuity, protect sensitive data, and maintain customer trust by implementing robust security measures.

The Role of Continuous Penetration Testing in Cyber Resilience

Penetration testing plays a crucial role in bolstering an organization’s cyber resilience by proactively identifying and exploiting vulnerabilities in systems and networks.

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Over the years, organizations have moved away from traditional pen-testing due to its periodic nature to Continuous Penetration Testing (CPT) because the latter provides an ongoing, automated, and integrated approach to vulnerability assessment and remediation.

Here are some of the benefits of Continuous Penetration Testing for Organizations:

• Early Detection of Responsibilities: Unlike traditional penetration testing, which may only identify vulnerabilities several weeks and months after they have been introduced, CPT allows organizations to discover and address security flaws in near real-time. It allows organizations to minimize the window of opportunity for attackers, which is currently around 277 days on average.
• Improved Security Posture: Continuously identifying and mitigating vulnerabilities enables organizations to strengthen their overall security defenses. By regularly testing and patching systems, organizations can reduce their attack surface and make it more difficult for attackers to penetrate their defenses.
• Faster remediation: Typically, traditional penetration testing often involves a lengthy process of identifying vulnerabilities and reporting them before taking remediation steps. However, CPT integrates seamlessly with modern software development practices like DevOps and Agile, which enable organizations to address vulnerabilities as soon as they are discovered in the development process.
• Cost Savings: While the initial investment in CPT may be higher than traditional penetration testing, the long-term cost savings can be substantial. Organizations can reduce the risk of costly data breaches and downtimes by being more productive. Focusing on the most critical vulnerabilities against chasing shadows also proves to be cost-effective.

Implementing Continuous Penetration Testing

Like every cybersecurity strategy, this requires careful planning and execution. These are some key steps to note in the process:

Define the Scope

You must pinpoint the key assets and systems to test. It’s best to do this in a way that fits with your company’s bigger risk management picture. Consider how sensitive the data is, what regulations you need to follow, your overall approach to risk, and what’s most important for the business. For example, you’d probably want to initially focus on systems that deal with sensitive information or that keep your core operations running smoothly.

Tools and Technologies

You have various options when it comes to automated pen testing tools – everything from limited, open-source software to comprehensive commercial platforms like Fortra. They all have their pros and cons, so you’ll need to take a good look at what you actually need and how much you’re willing to spend before you pick one.

Some things to keep in mind: What kind of vulnerabilities can the tool spot? How good are its reports? Will it integrate smoothly with the security tools you’re already using? How intensive is the training to make it work effectively? It’s worth thinking through all of this before you commit.

Continuous Testing Process

These days, there’s been a huge growth in Secure SDLC – basically, baking security into every step of how you build software. A key part of this is doing pen testing all the way through, not just at the end. You’ll want to combine both manual and automated testing, and of course, you can’t beat having real experts involved. It’s all about catching issues early and often.

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Building a Skilled Team

Having the right tools is just part of the picture. To really make continuous pen testing work, you need a solid team. They have to be able to make sense of the results, figure out how to fix any issues, and explain it all to the senior executives in a way that makes sense. This is where proper workforce management tools can come in handy, ensuring that you have the right tools and talent in place and helping streamline the allocation of tasks and resources. Moreover, it’s not just about hiring people – you have to keep investing in their skills too. It’s an ongoing process, but it’s worth it to keep your systems secure.

Collaborating with Stakeholders

You can’t accomplish good continuous pen testing without everyone working together. Your security department needs to be in sync with the developers and, really, anyone else who has a stake in this. This can be achieved by keeping the heads of different departments and the IT operations team in the loop about how secure things are and what risks you’ve spotted. Above all, don’t forget about the management team – they need to know enough to steer the ship in the right direction. Teamwork is the best formula for success.

Continuous Penetration Testing: Future Trends

Development in continuous penetration testing is rapidly growing. It’s important to examine some of the important trends to prepare for now and in the future.

• Artificial Intelligence (AI): These days, AI is touching everything and seemingly turning it into gold. The CPT space is not left out. AI-powered tools can analyze vast amounts of data, learn from past tests, and adapt testing strategies to better identify emerging threats, which is very useful for penetration testing.
• Addressing the Skills Gap: According to the Fortra 2024 Penetration Testing Report, 34% of respondents acknowledge challenges in hiring enough skilled personnel for testing. Clearly, the demand for skilled penetration testers is outpacing supply, creating a significant skills gap in the cybersecurity industry. Organizations need a way forward out of this challenge.

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• Adaptive Penetration Testing: This trend involves mimicking real-world attackers more realistically, by understanding an organization’s unique risks and threats. It provides a more comprehensive and efficient approach to identifying vulnerabilities that allow pen-testers to adjust their strategies and technologies based on the data collected during reconnaissance.
• Increased Use of PTaaS: Penetration Testing as a Service is gaining popularity as a cost-effective and scalable way to access penetration testing expertise. PTaaS providers offer a range of services, including on-demand testing, vulnerability management, and remediation guidance. This allows organizations to focus on their core competencies while leaving the specialized task of penetration testing to the experts, especially if client companies lack the in-house skills for what their business requires.

Conclusion

Continuous penetration testing is an important cornerstone of achieving cyber resilience. Like every other aspect of effective cybersecurity, you need an ongoing process that makes your business posture sustainable through continuous improvement and adaptation. So, indeed, CPT must be seen as a strategic advantage.

Editor’s Note: The opinions expressed in this and other guest author articles are solely those of the contributor and do not necessarily reflect those of Tripwire.