Have your specialists been screened?

Yes. At a minimum, a Certificate of Good Conduct (VOG); often, an AIVD-B clearance as well. You work with people you can trust.

What is the advantage of staff secondment through OneXillium?

You get immediate access to certified experts—without fixed payroll costs. Flexible, scalable, and available wherever you need them.

Cybersecurity Services » Staffing

Immediate capacity and expertise on your terms

Secondment

Many organizations struggle with a shortage of specialized security expertise or capacity. Projects are delayed, risks increase, and permanent hiring takes too long. OneXillium provides specialists who are ready to work immediately and who will strengthen your team in terms of both content and structure.

With our staffing services, you can stay on top of things even during peak periods, audits, or when employees are sick.

Schedule a meeting

With expertise in your industry

Cybersecurity experts

Thanks to their many years of experience, our experts will fit right in with your team and your way of working.

OneXillium x Housing Associations

BIC 4.0, the GDPR, and external audits are placing increasing demands on your IT team. Our professionals provide immediate support and help embed policies.

More about housing cooperatives

OneXillium x Government

Need replacement staff for BIO audits or NIS2 implementation? Our professionals can help ensure your security governance on a temporary or permanent basis.

More about the government

OneXillium x Financial Services

Driven by DORA requirements and regulatory oversight, there is a growing need for demonstrable security measures. Our experts provide support with implementation, reporting, and risk analysis.

More about financial services

OneXillium x Trade & Industry

Manufacturing companies are a popular target for cybercriminals. Our ethical hackers, SOC professionals, and (C)ISOs are ready to be deployed immediately and are familiar with industrial environments. You adapt quickly, drawing on up-to-date knowledge and taking immediate action.

More about trade & industry

The Benefits of Staffing Through OneXillium

Certified Professionals

We provide only highly qualified specialists with current certifications such as OSCP, OSCE, SANS GPEN, CISSP, and CEH. Our people are ready to work immediately, deliver high-quality results, and are familiar with complex environments.

Familiar with laws and regulations

From NIS2 and DORA to ISO 27001, BIO, and BIC 2.0. Our specialists understand both the requirements and the reality on the ground. They identify risks, strengthen governance, and help you maintain demonstrable compliance.

Peace of mind about who you hire

Integrity is essential for sensitive assignments. All of our specialists have undergone standard VOG screening; half of them have even undergone AIVD-B screening. You’ll be working with reliable professionals who are ready to be deployed immediately, even in critical environments.

Quick decision-making with short lines of communication

You're looking for reinforcements, and we're right there with you from the start. We combine speed with quality and flexibility. No hassle—just an approach that works—and we're not truly satisfied until you call on us again.

These customers have gone before you

Our Areas of Expertise

(Chief) Information Security Officers
Get an experienced (C)ISO right away with expertise in DORA, NIS2, ISO 27001, BIO, BIC 4.0, and the GDPR. Flexible and scalable as needed—without fixed payroll costs. No hassle, just peace of mind.

Ethical Hackers / Penetration Testers
Direct access to top-level expertise. Our professionals are certified in OSCP, OSCE, SANS GPEN, CISSP, and CEH.

SOC Specialists Our SOC specialists have more than 10 years of experience in setting up and managing Security Operations Centers. You’ll immediately gain access to reliable expertise.

Hire one of our cybersecurity professionals

Frequently Asked Questions About Cybersecurity Staffing

Our specialists have compiled a list of frequently asked questions for you. If your question isn't listed here, please contact us.

Through experience, certification, and a rigorous selection process. You get only top-tier.

Yes. You decide who's the best fit. We'll suggest suitable candidates.

Thanks to our network, we can respond quickly. You’ll get the right support right away.

Our experts are familiar with DORA, NIS2, ISO 27001, BIO, BIC, and GDPR. You will remain compliant.

Absolutely. Whether remote, hybrid, or on-site—our specialists will adapt to your situation.

We specialize in providing (Chief) Information Security Officers, ethical hackers/penetration testers, and SOC specialists.

Yes. At a minimum, a Certificate of Good Conduct (VOG); often also an AIVD-B clearance. You work with people you can trust.

You will immediate access to certified experts – without fixed labor costs. Flexible, scalable and versatile wherever you need need need.

Looking for temporary help?

What kind of expertise do you need? For how long? And how do you ensure that someone gets up to speed quickly? We’ll work with you to find the right solution. We’ll help you choose, match you with the right specialist, and ensure a flying start.

Cybersecurity Services » Staffing