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Security report for centreon.com

Centreon · Technology · France

Medium risk. 6 critical or high findings in Security headers, GDPR outside view and 2 other checks.

Security score

75/100

Risk levelMedium

0–100, higher is better. How it is calculated

Centreon is a well-established company specializing in IT infrastructure monitoring software, offering scalable and cost-effective observability solutions including log management and digital experience monitoring. The company targets enterprises, managed service providers, and IT teams seeking comprehensive monitoring capabilities. Their market position is strong, supported by a large user base and partner network. Technically, the website is built on WordPress with modern SEO and analytics tools, demonstrating digital maturity and good performance. Security posture is robust with HTTPS, security headers, and consent management, though explicit security policies and incident response details are lacking. Overall, the website presents a professional and trustworthy digital presence with minor gaps in transparency around domain registration and security contact information.

Scanned

NIS2 and GDPR posture

GDPR outside view
85/ 100 · Low
Checks completed
7of 7

NIS2 Art. 21(2)

  1. (a) Risk analysis and security policies: Not visible from outside
  2. (b) Incident handling: One indicator
  3. (c) Business continuity, backups and crisis management: Not visible from outside
  4. (d) Supply chain security: Not visible from outside
  5. (e) Secure acquisition, development and maintenance, including vulnerability handling: Partly checked
  6. (f) Assessing the effectiveness of security measures: Not visible from outside
  7. (g) Cyber hygiene and security training: Not visible from outside
  8. (h) Cryptography and encryption: Partly checked
  9. (i) HR security, access control and asset management: One indicator
  10. (j) Multi-factor authentication and secured communications: Not visible from outside

This scan rated NIS2 with an earlier keyword method that is no longer shown; rescan for the per-article view. Risk management, continuity, supply chain, training, MFA, management oversight (Art. 20) and incident reporting (Art. 23) need internal evidence, and Guard cannot tell whether NIS2 applies to this organisation.

GDPR is indicative only, based on publicly visible signals: Articles 7, 12, 13 and 32 of Regulation (EU) 2016/679 and Article 5(3) of the ePrivacy Directive. Not a certification or legal assessment.

Priority findings

6 findings rated critical or high. Fix these first.

  1. Security headers

    Security headers are instructions your web server sends to every visitor’s browser. Missing ones leave visitors more exposed to attacks such as clickjacking and injected scripts.

    • High

      Missing Strict-Transport-Security header

      Forces HTTPS connections

      What to do: Add "Strict-Transport-Security: max-age=31536000; includeSubDomains; preload"

      • CWE-319
      • OWASP A04:2025
      • ASVS V3.4.1
    • High

      Missing Content-Security-Policy header

      Controls resources the browser is allowed to load

      What to do: Implement a Content-Security-Policy appropriate for your application

      • ASVS V3.4.3
      • OWASP Secure Headers: OWASP Secure Headers Project recommends Content-Security-Policy: default-src 'self'; form-action 'self'; base-uri 'self'; object-src 'none';…

  2. GDPR outside view

    These are the privacy signals visitors and data protection authorities look for under GDPR.

    • High

      No Cookie Policy found

      GDPR requires clear information about cookie usage

      What to do: Add a dedicated cookie policy explaining cookie usage and purposes

  3. Email security

    SPF, DKIM and DMARC stop others sending email that looks like it comes from your domain, a common route to phishing and invoice fraud.

Need hands-on remediation? Email guard@offseq.com

Keep watching centreon.com

This scan found 19 issues across 6 checks. Monitoring re-runs those checks daily, emails you when something material changes and records each fix, so you can show progress.

Daily monitoring

Recommended

€25per month

  • TLS certificates and expiry
  • DNS records
  • SPF, DKIM and DMARC
  • Security headers
  • GDPR and NIS2 posture
  • Exposed services
  • Third-party trackers
  • Security score drift

Email alerts on material changes and an exportable JSON history of every change.

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Full report

€39.90one-time

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Results by check

Each check with its score, findings and the evidence it collected.

How this score is calculated

The security score runs 0–100, higher is better. It is the plain average of the security checks that completed in this scan, each counted equally. A check that could not run is left out: it counts neither as a pass nor as a fail.

Counted in this score

SSL/TLS
82
Security headers
30
Email security
60
DNS health
90
Network security
100
GDPR outside view
85
Average
75

Not counted

  • NIS2 outside view: Re-weights evidence from the TLS, email, DNS, network and hygiene checks, so counting it would count that evidence twice. Shown on its own.
  • OffSeq Observations: An AI reading of the site, useful context but not reproducible evidence. Shown on its own.

Findings that cap the score at 49

Each of these is serious on its own, so while any is present the site cannot rate better than high risk, however good the other checks are.

  • The certificate is not trusted by browsers
  • The website is not served over HTTPS
  • A database, remote desktop, file-sharing or Telnet service is reachable from the internet
  • The page loads a script from a compromised source
  • The domain registration has expired
  • SPF authorises every server to send mail as the domain

Partial scans

When the site blocks Guard or most checks cannot run, the score covers only the checks that ran (usually DNS and email), is capped at 75 and is shown as partial, without a risk level.

Risk levels

  • Critical0–25
  • High26–49
  • Medium50–75
  • Low76–100

Technical appendix

Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.

Business context

Business profile

Centreon operates in the technology sector, focusing on hybrid IT monitoring solutions delivered via SaaS and self-hosted models. The company has a medium-sized footprint with over 250,000 users and 80 partners, indicating a healthy ecosystem and growth trajectory. Their business model leverages product editions, cloud offerings, and professional services including training and support. The partnership ecosystem is well-developed with dedicated portals and programs. The company emphasizes operational excellence and digital performance, positioning itself as a key player in IT and OT convergence monitoring. Strategic observations include the need to enhance security communication and maintain transparency in domain registration to strengthen trust.

Security posture

The website demonstrates a mature security posture with enforced HTTPS, comprehensive security headers, and GDPR-compliant cookie consent mechanisms. However, there is no publicly available security policy or incident response plan, which are important for transparency and trust. No vulnerabilities or exposed sensitive data were detected in the analysis. The absence of a vulnerability disclosure policy and security.txt file suggests room for improvement in security communication. Overall, the security maturity is good but could be enhanced by publishing explicit security governance documents and providing direct security contact channels.

Recommendations

  1. Publish a dedicated security policy page outlining security governance and controls.
  2. Implement and publicize a vulnerability disclosure policy and security.txt file.
  3. Provide clear incident response contact information, including security@ or abuse@ email addresses.
  4. Maintain updated WHOIS information or ensure transparency about domain privacy protection.
  5. Continue to monitor and update third-party scripts and analytics tools to avoid vulnerabilities.

Contact details published on the site

Addresses
Legal name
Centreon
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Centreon
Description
Centreon is a leading IT monitoring software that helps businesses ensure the availability and performance of their IT infrastructure. Try it for free.
Key services
IT Infrastructure Monitoring, Log Management, Digital Experience Monitoring
Content quality
excellent
Branding
consistent

Technology

Stack
WordPress, Yoast SEO, Google Tag Manager, HubSpot, Facebook Pixel, Cookiefirst Consent Management, Quanta RUM
Frameworks
React (likely for frontend components), WPML (WordPress Multilingual Plugin)
Platforms
WordPress CMS
Performance
fast
Mobile
excellent
Accessibility
good
SEO
excellent

Security

Observed score
90/100
Good practices seen
  • HTTPS enforced
  • Security headers present
  • Consent management for cookies
  • No exposed sensitive data detected

Analytics and tracking

Services
Google Analytics, HubSpot Analytics, Facebook Analytics
Tracking level
moderate
Privacy practices
good

Advertising

Ad networks
Google Ads, Facebook Ads
Tracking pixels
Facebook Pixel, HubSpot Analytics
Marketing tools
HubSpot
Transparency
good

Site quality

Design
excellent
User experience
excellent
Content relevance
excellent
Navigation
excellent
Professionalism
excellent
Trustworthiness
high

Key observations

  1. Website is fully accessible with rich content and professional design.
  2. Strong SEO and metadata implementation with Yoast SEO plugin.
  3. Multiple social media and community engagement links present.
  4. Consent management and cookie policy implemented for GDPR compliance.
  5. No WHOIS data available from raw output, indicating possible privacy protection or registry issue.
  6. No direct security contact or incident response information found.
  7. Use of modern analytics and marketing tools with moderate user tracking.
  8. No suspicious or malicious content detected.
Technical notes

Notes

The website is built on a modern WordPress CMS with Yoast SEO for optimization and WPML for multilingual support. It integrates advanced analytics and marketing tools such as Google Tag Manager, HubSpot, and Facebook Pixel, enabling effective user tracking and marketing campaigns. Performance is optimized with responsive design and fast loading images. Accessibility features are present but could be further enhanced. The technical stack is well-maintained with no visible technical debt or deprecated libraries. Hosting provider details are not explicit, but the infrastructure supports a professional and scalable web presence. Opportunities exist to improve security transparency and incident response readiness.
Standards and sources

Reference chips under each finding point to the standard, regulation or specification the finding relates to. They are taken from the official datasets below and mapped conservatively: a finding with no defensible link shows none. NIS2 and GDPR references mark where a finding is relevant evidence, not a compliance verdict. Implementing Regulation (EU) 2024/2690 binds digital infrastructure and digital service providers; for other entities it is the most detailed public reading of the Article 21 measures. WCAG, EN 301 549, European Accessibility Act and Web Accessibility Directive references name the requirement an automated accessibility rule relates to; they are not a conformance verdict.

Retrieved 2026-10-25

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