We Are Truesec

We Prevent Breach & Minimize Impact

Founded in 2005, Truesec brings together cybersecurity experts united by a shared purpose: creating a secure and sustainable digital world.

We Deliver End-to-End Cybersecurity Services

We deliver end-to-end cybersecurity services focused on preventing breaches, minimizing their impact, and strengthening organizational resilience.

Cybersecurity protects more than systems. It safeguards people, essential services, and the trust that organizations and society depend on.

Our services span the full spectrum of cybersecurity capabilities and are tailored to each organization’s specific needs, environment, and risk profile.

Governance model within cybersecurity

440+

Dedicated cybersecurity experts and specialists

6

Offices across Europe

Threat Detection of IT systems

300+

Organizations trust us for continuous protection

We Protect Society

Our role goes beyond protecting individual organizations. We fight cybercrime and help safeguard society. Every day, our specialists work to prevent breaches, minimize their impact, and strengthen resilience across the digital world.

Nordic-Founded, Operating Globally

Truesec brings together more than 440 dedicated colleagues with a shared purpose: creating safety and sustainability in a digital world. Our offices are located in Stockholm, Malmö, Copenhagen, Aarhus, Aalborg, Espoo, and Munich.

Real-World Insights and Experience

Our solutions are shaped by insights from responding to real incidents and mitigating threats every day. This frontline experience helps organizations predict, prevent, detect, respond to and recover from cyberattacks.

Our Story

From Specialist Consultancy to Nordic Cybersecurity Leader

2005

Marcus Murray founds Truesec to bring together leading Swedish IT-security specialists. Early assignments include penetration testing, incident management, securing IT environments, and technical training.

2010s

Truesec grows from its specialist roots to around 80 employees, building strong incident-response capabilities and developing innovative tools and methods based on real-world experience.

2020

Truesec launches its Security Operations Center and becomes one of the only Swedish MSSPs admitted to Microsoft’s global security partner association.

2021

With approximately 180 employees, Truesec partners with IK Partners and launches Truesec Denmark, establishing a platform for Nordic and international growth.

2022

Truesec continues its Nordic expansion by launching operations in Finland and growing to approximately 250 employees.

2023-2025

Organic growth is complemented by the acquisitions of Venzo Cyber Security, Foresights and Banshie, adding new expertise and expanding Truesec’s Nordic presence.

2026

Truesec grows to more than 440 employees and acquires Subset, adding advanced cryptography and secure-system engineering expertise.

Our Preferred Technology Partners

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Life at Truesec

At Truesec, technology and purpose come together. Our specialists collaborate, challenge established thinking and share their expertise to help organizations defend against cybercrime.

Curiosity, continuous learning and a shared commitment to making a difference shape how we work. By bringing together some of the industry’s most experienced specialists, we create an environment where people and ideas can develop while contributing to a safer digital society.

Trusted by Leading Organizations

Thanks to Truesec’s know-how, ways of working and calm approach, we managed to handle this cyber attack in an impressive way. It’s an almost priceless experience, to be honest.

Liselotte Andersson

CIO, Coop

It’s important for us to work with a partner combining both worlds: deep knowledge and broad experience from advanced cyber attacks.

Sami Breinholt

Group Head of Technology Services, NLTG

addtech logo

Truesec’s enormous contribution shortened our downtime and suffering immensely.

Jesper Särnholm

Head of IT, Addtech

Ready To Strengthen Your Security?

Build greater resilience with a security partner you can trust.

Truesec Cybersecurity Incident Response Team is a certified FIRST member.
Image highlighting Truesec Incident Response Team as associate partners of the No More Ransom project by Europol.
Certified ISO 9001 Cybersecurity

ISO 9001

ISO 14001

ISO 27001