Consulting services tailored to your complex environments
In a world where cybersecurity and digital sovereignty have become strategic priorities, SCASSI offers a 100% sovereign consulting service provided by experts based in France.
As such, we assist organizations with all sensitive matters, in compliance with the strictest national and European requirements.
Drawing on our expertise in complex and highly regulated environments, we offer a range of information security consulting services designed to address the most demanding security challenges.
Our in-depth understanding of industry-specific and regulatory requirements (DO-178C, IEC 62443, ISO 27001, SecNumCloud, etc.) enables us to translate cybersecurity requirements into concrete, effective, and realistic solutions that are central to your projects.
Our mission: to support organizations in designing, securing, and ensuring the compliance of their systems, by combining methodological rigor, technical expertise, and business knowledge.
For high-criticality environments, a customized approach
- Embedded systems: security by design, real-time constraints, low power consumption, native non-connectivity... We know how to adapt SSI to these specific contexts.
- Industrial Systems (OT): We combine IT cybersecurity with operational security to protect your production lines, equipment, and infrastructure.
- Critical systems: Whether in aviation, aerospace, healthcare, or energy, every vulnerability can have major consequences. Our experts incorporate operational safety and availability requirements into all recommendations.

Secure Architecture Consulting
Build secure information systems from the ground up.
We help you organize your technical and organizational decisions to ensure that your information security architectures are effective, realistic, sustainable, and aligned with the latest cybersecurity standards.
We help you organize your technical and organizational decisions to ensure that your cybersecurity architectures are effective, realistic, and sustainable. Whether you’re launching a new project or securing an existing one, we take into account your operational constraints and your level of cybersecurity maturity.

Support for safety certification
Ensure your systems are compliant from start to finish.
We work with you to manage the entire certification process, from risk analysis to the implementation of safety measures, through to ongoing safety compliance. Our experts support you through both initial certifications and renewal processes.

Establishment of IS Governance
Manage security at every level of your organization.
We help CISOs and decision-makers define security policies, formalize governance processes, and establish consistent practices across the entire IT environment.
Our goal: to embed security within your corporate culture.

Preparing for Cyber Crisis Management
Don't just endure the crisis—take control of it!
We work with you to develop cyber crisis management plans tailored to your specific challenges, and we conduct operational drills to test your teams’ responsiveness. Be prepared to act quickly, minimize the impact, and ensure business continuity.
A PACS service (Cybersecurity Support Provider)is a consulting or support service provided by a company certified byANSSI.
The goal is to help organizations—both public and private— strengthen their cybersecuritythrough structured and recognized initiatives.
Specifically, a PACS benefit may cover:
- Security certification: assisting an organization in ensuring that its information systems comply with regulatory requirements.
- Risk management: identifying, analyzing, and prioritizing threats to develop an appropriate security strategy.
- Architecture security: designing or auditing robust and resilient architectures.
- Preparing for cyber crisis management: anticipating and testing responses in the event of a major attack.
As part of the PACS certification process, SCASSI offers to assist its clients in the following four areas:
Consulting on Information System Security Certification
We help organizations ensure that their information systems comply with regulatory and standards requirements. From needs analysis to the preparation of the certification application, we help you secure your digital environments while ensuring their compliance and resilience.
Consulting on Information Systems Security Risk Management
Cybersecurity requires a detailed understanding of risks. We help you identify, assess, and prioritize the threats to your strategic assets. Using proven methodologies (EBIOS RM, ISO 27005, etc.), we work with you to develop a risk management strategy tailored to your operational needs.
Consulting on the security of information system architectures
A robust architecture is the foundation of a secure information system. Our experts work with you to analyze and design reliable architectures that comply with best practices and security standards. Our goal is to build resilient infrastructures capable of withstanding threats while remaining agile and scalable.
Consulting Services for Preparing for Cyber-Related Crisis Management
Because no organization is immune to a major incident, we help you prepare to handle cyber crises. From developing response plans and conducting simulation exercises to raising team awareness, we strengthen your ability to respond quickly and effectively to minimize the impact of an attack.
Would you like to learn more about Scassi's SSI consulting services?
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