Secure your assets, under a tight budget.

Secure your assets, under a tight budget.

We offer 360° protection and resilience for your digital assets. We give you the opportunity to leverage top digital expertise and cybersecurity skills at the most competitive prices in the market, so you can scale your business with confidence and safety.

We offer 360° protection and resilience for your digital assets. We give you the opportunity to leverage top digital expertise and cybersecurity skills at the most competitive prices in the market, so you can scale your business with confidence and safety.

Build your digital fortress.

In a constantly evolving cyber landscape, we stay ahead of emerging threats with proactive defense and strategic insight. Our managed security services cover all your needs: audits, pentests, compliance, incident response, threat intelligence, business continuity, and solution implementation, delivered by a team of seasoned experts.

In a constantly evolving cyber landscape, we stay ahead of emerging threats with proactive defense and strategic insight. Our managed security services cover all your needs: audits, pentests, compliance, incident response, threat intelligence, business continuity, and solution implementation, delivered by a team of seasoned experts.

Open-Source Specialist.

Open-Source Specialist.

Open-Source Specialist.

As an integrator and operator of open-source softwares, we implement cost-effective, customized, and modern solutions for our clients.

As an integrator and operator of open-source softwares, we implement cost-effective, customized, and modern solutions for our clients.

As an integrator and operator of open-source softwares, we implement cost-effective, customized, and modern solutions for our clients.

Security-minded telemetry
Security-minded telemetry
Security-minded telemetry

Focus On The Highest Standards.

Focus On The Highest Standards.

Focus On The Highest Standards.

We focus on ensuring compliance with the cybersecurity standards applicable to your region and industry. For our European clients, the NIS2, DORA, and GDPR frameworks serve as our guiding principles.

We focus on ensuring compliance with the cybersecurity standards applicable to your region and industry. For our European clients, the NIS2, DORA, and GDPR frameworks serve as our guiding principles.

Complete workforce identity
Complete workforce identity
Complete workforce identity

An A to Z Expertise in Cybersecurity.

An A to Z Expertise in Cybersecurity.

An A to Z Expertise in Cybersecurity.

We deliver end-to-end cybersecurity with proven talent, hands-on experience, and trusted partners across every domain of modern security.

Workflows for secure access
Workflows for secure access
Workflows for secure access

Cost-efficient Service. Proven ROI.

Cost-efficient Service. Proven ROI.

Cost-efficient Service. Proven ROI.

Our pricing is up to 60% lower than the market average, delivering guaranteed ROI through measurable security and operational gains.

Identity automations
Identity automations
Identity automations

+50 experts

+50 experts

Our team of 50+ cybersecurity experts brings diverse skills spanning governance, risk & compliance (GRC), technical security, and strategic cyber governance.

+50 experts

Our team of 50+ cybersecurity experts brings diverse skills spanning governance, risk & compliance (GRC), technical security, and strategic cyber governance.

+50 experts

Our team of 50+ cybersecurity experts brings diverse skills spanning governance, risk & compliance (GRC), technical security, and strategic cyber governance.

+40 certifications

+40 certifications

All our experts hold multiple certifications in the most advanced and up-to-date international cybersecurity standards.

+40 certifications

All our experts hold multiple certifications in the most advanced and up-to-date international cybersecurity standards.

+40 certifications

All our experts hold multiple certifications in the most advanced and up-to-date international cybersecurity standards.

Pricing plans

From

$250

/day

Experts Sourcing

Dedicated consultants integrated into your team, billed per day.

Security Analyst / SOC Analyst

Pentester / Ethical Hacker

Security Engineer

Security Architect

Cybersecurity Consultant

Cloud Security Engineer

CISO (Chief Information Security Officer) or Projet Manager

Compliance & Risk Manager

From

$250

/day

Experts Sourcing

Dedicated consultants integrated into your team, billed per day.

Security Analyst / SOC Analyst

Pentester / Ethical Hacker

Security Engineer

Security Architect

Cybersecurity Consultant

Cloud Security Engineer

CISO (Chief Information Security Officer) or Projet Manager

Compliance & Risk Manager

From

$250

/day

Experts Sourcing

Dedicated consultants integrated into your team, billed per day.

Security Analyst / SOC Analyst

Pentester / Ethical Hacker

Security Engineer

Security Architect

Cybersecurity Consultant

Cloud Security Engineer

CISO (Chief Information Security Officer) or Projet Manager

Compliance & Risk Manager

Most Popular

From

$700

/day

CISO Office

Setup an A to Z cybersecurity team on a budget.

From 3 FTE

Governance, training, and awareness

Compliance and risk management

Digital asset inventory and audits

Network, device, access, and data protection

Monitoring and anomaly detection

Incident management

Post-incident analysis and recovery

Most Popular

From

$700

/day

CISO Office

Setup an A to Z cybersecurity team on a budget.

From 3 FTE

Governance, training, and awareness

Compliance and risk management

Digital asset inventory and audits

Network, device, access, and data protection

Monitoring and anomaly detection

Incident management

Post-incident analysis and recovery

Most Popular

From

$700

/day

CISO Office

Setup an A to Z cybersecurity team on a budget.

From 3 FTE

Governance, training, and awareness

Compliance and risk management

Digital asset inventory and audits

Network, device, access, and data protection

Monitoring and anomaly detection

Incident management

Post-incident analysis and recovery

From

$8.000

/month

SOC

Up to 500 assets. For over 500 assets, please contact us.

L3 Analyst, L1/L2 Analyst, SOC Manager

Real-time monitoring (16/5 or 24/7)

Auto detection & response (SIEM + SOAR)

Incident management & monthly reporting

Threat Intelligence and executive dashboard

Shared SIEM infrastructure

EDR/Firewall integration

24/7 escalation support

From

$8.000

/month

SOC

Up to 500 assets. For over 500 assets, please contact us.

L3 Analyst, L1/L2 Analyst, SOC Manager

Real-time monitoring (16/5 or 24/7)

Auto detection & response (SIEM + SOAR)

Incident management & monthly reporting

Threat Intelligence and executive dashboard

Shared SIEM infrastructure

EDR/Firewall integration

24/7 escalation support

From

$8.000

/month

SOC

Up to 500 assets. For over 500 assets, please contact us.

L3 Analyst, L1/L2 Analyst, SOC Manager

Real-time monitoring (16/5 or 24/7)

Auto detection & response (SIEM + SOAR)

Incident management & monthly reporting

Threat Intelligence and executive dashboard

Shared SIEM infrastructure

EDR/Firewall integration

24/7 escalation support

What is the role of the CISO Office?

Identify

Inventory of assets (devices, applications, data):

  • Mapping of data flows and critical systems

  • Risk assessment (threats, vulnerabilities, impacts)

  • Define roles, responsibilities, and governance

Protect

Put safeguards in place to reduce risk:

  • Network protection (firewalls, segmentation)

  • Endpoint security (antivirus, EDR/XDR)

  • Access control (password, MFA, least privilege)

  • Data protection (encryption, backups)

  • Security awareness training for staff

Put safeguards in place to reduce risk.

  • Network protection (firewalls, segmentation)

  • Endpoint security (antivirus, EDR/XDR)

  • Access control (password, MFA, least privilege)

  • Data protection (encryption, backups)

  • Security awareness and training for staff and managers

Detect

Spot anomalies and malicious activity quickly:

  • Real-time monitoring (SIEM, IDS)

  • Log collection and analysis

  • Threat intelligence integration

  • Alerting and notification systems

Respond

Take action to contain and minimize damage:

  • Incident response plan and playbooks

  • Forensics and investigation tools

  • Communication plan (internal and external)

  • Legal and regulatory steps

Take action to contain and minimize damage.

  • Incident response plan and playbooks

  • Integration of forensics and investigation tools

  • Communication plan (internal and external)

  • Legal and regulatory steps

Recover

Restore systems and learn from the incident:

  • System and data restoration

  • Post-incident analysis

  • Security improvements and patching

  • Communication and stakeholder reassurance

Seamless Integration Within Your IT Team

Our experts integrate seamlessly into your IT department, operating in your time zone and under your working conditions, with secure remote setups and enterprise-grade equipment ensuring full alignment.

Our experts integrate seamlessly into your IT department, operating in your time zone and under your working conditions, with secure remote setups and enterprise-grade equipment ensuring full alignment.

Trusted by leading companies…

Trusted by leading companies…

Led a temporary executive cybersecurity mission as Interim Chief Information Security Officer (CISO) for a world leading energy provider.

Utilities (France)

>2500 employees

Cybersecurity audit of an Airbus Group subsidiary’s IT system, with the development and implementation of an operational roadmap aligned with the specificities and requirements of the aerospace sector.

Aerospace & Defense

>7000 employees

Led a long term executive cybersecurity mission as Chief Information Security Officer (CISO) for a world leading energy provider.

Utilities (France)

>2500 employees

… and partnering with leading providers

… and partening with leading providers

Schedule a meeting

Our Cybersecurity Related Content

Our Cybersecurity Related Content

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Summer Cyberattacks 2025

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Cyberattacks in 2025 (M&S, JLR, Orange, Bouygues, Air France-KLM, Naval Group, France Travail) highlight the urgent need for proactive, resilient cybersecurity.

Cyberattacks in 2025 (M&S, JLR, Orange, Bouygues, Air France-KLM, Naval Group, France Travail) highlight the urgent need for proactive, resilient cybersecurity.

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Pharmacy Cybersecurity: Threats, Regulations, and Solutions in 2026

Pharmacy Cybersecurity: Threats, Regulations, and Solutions in 2026

Pharmacies are prime cyber targets: ransomware, data theft, and supply chain attacks threaten patient safety. Strong cybersecurity and compliance are now essential.

Pharmacies are prime cyber targets: ransomware, data theft, and supply chain attacks threaten patient safety. Strong cybersecurity and compliance are now essential.

CISO Office systelium
CISO Office systelium
CISO Office systelium

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Cybersecurity

5 min read

5 min read

Set up an External CISO Office: Everything You Need to Know in 2026

Set up an External CISO Office: Everything You Need to Know in 2026

In 2026, cybersecurity has become a strategic priority for organizations of all sizes. With the surge in cyber threats, heightened regulatory expectations, and rapid digitalization of operations, companies they must plan, anticipate, and lead.

In 2026, cybersecurity has become a strategic priority for organizations of all sizes. With the surge in cyber threats, heightened regulatory expectations, and rapid digitalization of operations, companies they must plan, anticipate, and lead.