About us
Subset is a consulting company specializing in cybersecurity, information security, IT security, and system development. We have a passion for development projects that demand precision and attention to detail.
Our work focuses on two main areas: developing secure and robust systems, and providing expert advisory services in cybersecurity.
Subset is a part of Truesec. Truesec is a leading international cybersecurity company dedicated to preventing breaches and minimizing impact. We operate the largest SOC in the Nordics and have delivered over 120,000 hours of incident management. With 400+ specialists and AI-driven security capabilities, Truesec helps organizations across the private and public sectors strengthen their cyber resilience. Learn more at Truesec.com
We are Subset – Specialists in security that lasts
Subset is a consulting company with deep expertise in cybersecurity, information security, and system development.
We take on complex projects where precision, robustness, and long-term reliability are crucial.
By combining technical excellence with a holistic approach — from requirements and architecture to implementation — we deliver secure solutions that stand the test of time and create real value for our clients.
Our culture – Where engagement drives results
At Subset, we believe that job satisfaction and responsibility go hand in hand. We foster an environment where people can grow — both as professionals and individuals.
Through trust, efficient decision-making, and a shared drive for continuous improvement, we create solutions built on quality and integrity.
Together, we develop a safer world.
Contact us
magnus.eriksson@subset.se
Our areas of expertise
Cybersecurity
Security that lasts — today and tomorrow. We identify vulnerabilities, build robust systems, and establish processes that withstand cyber threats. With deep expertise in secure development and cryptology, we make your operations safer.
Secure Development
Security from the start — not as an afterthought. We develop systems where security is an integrated part of the process, from initial analysis to final delivery. The result? Robust, well-documented technology that stands the test of time.
Products
AmiOS
AmiOS gives you full control over security.
A modern framework for live operating systems that combines flexibility, reliability, and robust performance.
FAQ
What does secure development mean?
Secure development is about building systems where security is embedded from the very start — not added at the end. At Subset, we follow a methodology where every step, from requirements and design to implementation and maintenance, is guided by principles of security, traceability, and quality. This ensures that the final result is stable, predictable, and reliable over time.
What sets Subset apart from others in the industry?
We combine deep technical expertise in cryptology and system development with a strong focus on structure and quality assurance. Our solutions are rigorously reviewed and thoroughly documented, giving our clients full transparency and confidence in the results. We also work closely with our clients — your operations and needs always form the foundation for how we shape each engagement.
How does a project with Subset work, from start to delivery?
Every project begins with a joint analysis of needs, goals, and requirements. From there, we create a clear plan covering the entire development process — from design and implementation to testing, verification, and delivery. Throughout the project, we maintain close dialogue to ensure that the final result fits your organization perfectly. When the project is complete, we deliver a secure, documented, and sustainable solution.
Can you help with both new systems and reviews of existing solutions?
Absolutely. We work with both new system development and the review, analysis, and improvement of existing environments. Whether it’s about building something new from the ground up or strengthening what already exists, we adapt our methods to create security, traceability, and long-term operational reliability.
What happens after delivery — can you support maintenance and further development?
Our support doesn’t end at delivery. Subset provides ongoing support for both maintenance and continued development. This can include security monitoring, updates, risk analysis, or adapting systems to meet evolving requirements. Our goal is to ensure that the solution continues to meet your security needs over time.
Can we hire you as advisors for ongoing projects?
Yes, we can act as advisors and partners in projects that are already underway. For example, we assist with security assessments, risk analyses, design reviews, and implementation support. Our goal is always to contribute knowledge, structure, and expertise — without disrupting the work already in progress.
Contact us if you have more questions