Practical expertise to build, secure, and maintain your products.
Ygreky helps companies working with embedded systems and open-source software solve technical security challenges, manage vulnerabilities, and prepare for cybersecurity regulations such as the EU Cyber Resilience Act (CRA).
From Linux kernels and RTOSes to system architecture and security processes, we connect deep technical knowledge with practical solutions.
How we can help
Consulting & Security Engineering
Need expert support on an embedded or open-source project?
We help with embedded Linux and RTOS security, system hardening, architecture reviews, cryptography and vulnerability management.
As a CVE Numbering Authority (CNA), we can also support vulnerability disclosure and CVE publication, or provide ongoing security team services.
Embedded Security Training
Hands-on courses for developers and engineering teams working with embedded Linux and open-source software.
Learn to secure your products with practical exercises covering Yocto Project, system hardening, secure boot, SBOMs, vulnerability management, and CRA requirements.
We propose both public sessions and customized company training.
Cyber Resilience Act Readiness
Preparing your products for the CRA?
We help you understand the requirements, assess your current practices, identify gaps, and prepare the technical documentation and processes your products need.
Start with our structured CRA Readiness Program or get dedicated consulting support.
Why work with Ygreky?
Deep engineering expertise, active open-source involvement, and hands-on cybersecurity experience.
- 20+ years in open source, including more than 15 years working with embedded systems.
- From hardware details to servers, with expertise in Linux, RTOSes, system architecture, and security.
- Active open-source contributors, including participation in Yocto Project(tm) and OpenEmbedded security work.
- Vulnerability management expertise, including CVE coordination and publication as a CNA.
- Direct involvement in European cybersecurity standardization, including technical standards supporting the CRA.
We understand both the technical challenges your engineers face and the security obligations your products must meet.
Meet the expert
Marta Rybczynska – Founder, Ygreky
Marta has over 20 years of experience in open-source software, embedded systems, and cybersecurity. She contributes to major open-source projects, works on vulnerability management and European cybersecurity standards, and helps companies convert security requirements into engineering practices.
Ygreky combines this expertise with a practical, engineering-first approach.
Insights from our work
Explore our technical articles, open-source contributions, and analysis of cybersecurity regulations.
Let’s discuss your project
Need help securing an embedded product, managing vulnerabilities, or getting ready for the CRA?
Contact us with a short description of your challenge. We’ll discuss how we can help, whether through a focused intervention, a longer consulting engagement, or training.