Customer Stories

TRUESEC: Delivering Higher-Quality Security Outcomes Through Smarter Integration

Truesec, a leading European MSSP, needed to scale its Managed Exposure Management service without pouring more time and resources into a homegrown platform.

By partnering with Nucleus, Truesec unified customer data, automated remediation workflows, and delivered higher-quality services at scale.

When MSSPs Outgrow Homegrown Tools

Many MSSPs start with custom-built platforms to support early service offerings. But as customer demand grows, those tools often become harder to maintain, extend, and scale.

Truesec reached that inflection point. Rather than continuing to invest heavily in internal development, the team evaluated multiple vendors to find a platform that could support multi-tenant delivery, integrate with diverse customer environments, and improve service quality without slowing innovation.

Scaling Exposure Management Across Customers and Environments

As part of its Managed Threat Exposure service, Truesec managed vulnerabilities and exposures using a custom-built solution. Over time, the platform became increasingly complex to scale as customer needs expanded.

Key challenges included:

  • Managing multiple customers while maintaining strict data separation

  • Unifying vulnerability and asset data across many tools and environments

  • Reducing manual triage, routing, and ownership assignment

  • Improving prioritization using real risk and asset context

Truesec faced a strategic decision: continue building or partner with a platform designed for MSSPs.

Why Truesec Chose Nucleus

After evaluating nine vendors and running hands-on proof-of-concept tests, Truesec selected Nucleus as its vulnerability and exposure management platform.

With Nucleus, Truesec was able to:

  • Deliver true multi-tenancy with isolated customer environments

  • Unify vulnerability and asset data across all customer tools

  • Apply risk-based prioritization using threat intelligence and business context

Just as importantly, Truesec gained a responsive partner that worked closely with their SOC, developers, and product teams.

The platform enabled Truesec to automate more of its delivery while maintaining the flexibility required to support highly customized customer environments.

“If you’re going to implement a platform like Nucleus, invest the time to really learn it. The more effort you put in, the more value you get back. Nucleus has been a true partner, not just a vendor.”

— Björn Andersson, Business Development Manager, Truesec

If you’re an MSSP looking to mature or expand your exposure management services without building everything from scratch, this story offers a practical, real-world example.

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