Cyber-SSI

The cybersecurity company for SMBs, public administrations and institutions

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Protected clients

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Certification support

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Expert certifications

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Our experts are certified

CI

CISSP

Certified Information Systems Security Professional

CI

CISM

Certified Information Security Manager

CR

CREST

CREST Pathway & Pathway+

IS

ISO 27001

Lead Auditor & Lead Implementer

PE

PECB

ISO 27001 / ISO 9001 Internal Auditor

Mi

Microsoft

Azure & Security Operations

CN

CNSP

Certified Network Security Practitioner

Re

Red Team

Certified Red Team Professional

CI

CISSP

Certified Information Systems Security Professional

CI

CISM

Certified Information Security Manager

CR

CREST

CREST Pathway & Pathway+

IS

ISO 27001

Lead Auditor & Lead Implementer

PE

PECB

ISO 27001 / ISO 9001 Internal Auditor

Mi

Microsoft

Azure & Security Operations

CN

CNSP

Certified Network Security Practitioner

Re

Red Team

Certified Red Team Professional

Listed on Cybermalveillance.gouv.fr
CREST International Member
Project Showcase

They Trust Us

Discover how we have supported organizations of all sizes — from startups to institutions with 1,000+ employees — towards compliance and cybersecurity excellence.

Public Sector

Intercommunal Syndicate & Local Authorities

Cybersecurity support for 25 syndicates and 1,000+ local authorities: outsourced CISO, governance, ISO 27001 certification, HDS and NIS2 compliance, e-services accreditation.

25 syndicats+1000 collectivitésDepuis 2023
Results
ISO 27001 certifiéHDS (audit en cours)NIS2 conformeExpert Cyber
Crypto / Finance

International Crypto Player

Outsourced CISO for a crypto company operating in France, Switzerland and Italy. Cybersecurity strategy management, ISO 27001 certification, DORA compliance and MiCA license obtention.

France / Suisse / Italie50 employésDepuis 2023
Results
ISO 27001 certifiéLicence MiCA obtenue
Crypto / Finance

French Crypto Industry

Outsourced CISO in charge of cybersecurity strategy: ISO 27001 compliance, DORA support, preparation and success of 2 PASSI audits, direct interactions with AMF.

50 employés2 audits PASSIDepuis 2023
Results
ISO 27001 certifié2 audits PASSI réussisDossier MiCA en cours
Public Sector

Departmental Council

Outsourced CISO for a department: cybersecurity strategy management, IT team support, monthly cyber committee organization, NIS2 compliance.

+500 employésComité cyber mensuelDepuis 2025
Results
Conformité NIS2 en cours
Crypto / International

Crypto Exchange Platform (VARA)

Global outsourced CISO (Slovakia, UAE, South Asia). Dual role: cybersecurity governance and DPO. VARA and DORA compliance, regulatory audits.

300 employés3 régionsDepuis 2025
Results
CISO enregistré VARA/EAUConformité DORA
Digital Banking

European Neobank

Autonomous cybersecurity consulting: complete ISMS implementation, DORA and ISO 27001 compliance, PCI DSS management, documentation preparation for external audits.

25 employés3 conformitésDepuis 2024
Results
SMSI opérationnelDORAPCI DSS
Financial Services

International Payment Institution

Risk analysis, security policies, PASSI audit preparation (organizational and configuration), IT team support, DORA and ISO 27001 compliance.

1000+ employésLondres / KSA / France2024-2025
Results
Audit PASSI réussiAucune non-conformité majeure

...and many more

We support organizations from 5 to over 2,000 employees, across all sectors.

50+
ISO 27001 Projects
20+
DORA Programs
30+
NIS2 Missions
100+
Penetration tests & audits
What is a cybersecurity company?

Understanding the crucial role of cybersecurity companies

A cybersecurity company, like Cyber-SSI, plays an essential role in protecting data and IT systems against digital threats. In a world where cyberattacks are increasingly sophisticated, these companies provide advanced security solutions to protect sensitive information for SMBs, startups, public administrations and institutions. Their importance lies in their ability to prevent data breaches, secure digital infrastructures and ensure business continuity.

Why use a cybersecurity company?

The benefits of working with cybersecurity experts

Using a cybersecurity company is crucial for any organization looking to protect its digital assets. Cyber-SSI offers unmatched expertise in identifying vulnerabilities, implementing custom security solutions and ensuring compliance with international standards like ISO 27001. By working with us, businesses can reduce cyberattack risks, avoid financial losses and preserve their reputation.

100%
Satisfied clients
NIS2
Guaranteed compliance
24/7
Available support
ISO
Certifications

Contact Us

Do you have a cybersecurity project? Would you like to assess your security posture or achieve compliance? Let's discuss together.

Coverage area

France & International

Meeting