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Security report for quarkslab.com

Quarkslab · Technology · France

Medium risk. 7 critical or high findings in Security headers and GDPR outside view.

Security score

56/100

Risk levelMedium

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

Quarkslab is a cybersecurity company specializing in offensive and defensive security solutions, combining consulting, R&D, and proprietary software to help organizations protect their digital assets. The company is recognized in the Gartner Emerging Tech report and serves a target audience of companies and governmental organizations seeking advanced cyber defense. Technically, the website is built on WordPress with Elementor and integrates multiple analytics and marketing tools. However, the site lacks a valid SSL certificate and modern TLS support, which significantly impacts its security posture. While email authentication is well configured with SPF and DMARC, the absence of HTTPS and security headers exposes the site to risks. Privacy compliance is well addressed with a comprehensive privacy policy and cookie consent mechanism. Overall, the website is professional and content-rich but requires urgent improvements in SSL/TLS configuration to enhance security and trust.

Scanned

NIS2 and GDPR posture

GDPR outside view
25/ 100 · Critical
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

7 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 X-Frame-Options header

      Prevents clickjacking attacks

      What to do: Add "X-Frame-Options: DENY" or "X-Frame-Options: SAMEORIGIN"

    • 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 Privacy Policy found

      GDPR requires a clear and accessible privacy policy

      What to do: Add a comprehensive privacy policy page and link to it prominently

    • 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

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

Keep watching quarkslab.com

This scan found 20 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.

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Recommended

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

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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
85
Security headers
15
Email security
85
DNS health
85
Network security
40
GDPR outside view
25
Average
56

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

Quarkslab operates in the technology sector, focusing on cybersecurity consulting and software solutions. Its business model includes security audits, penetration testing, and a security software suite called QShield. The company targets medium-sized enterprises and governmental organizations, leveraging its R&D capabilities and industry recognition to maintain a competitive edge. The presence of client logos and Gartner recognition indicates a strong market position. The company uses multiple marketing and analytics tools to engage its audience and optimize outreach. However, the lack of visible phone numbers and physical addresses may limit direct contact options for some clients.

Security posture

The website demonstrates moderate security maturity with proper email authentication (SPF and DMARC) and cookie consent management. However, critical security weaknesses exist due to the absence of a valid SSL certificate and disabled TLS protocols, resulting in unencrypted or insecure connections. No security headers are implemented, and HSTS is not enabled, increasing vulnerability to man-in-the-middle attacks. The site does not expose sensitive data or show signs of malware, but the lack of HTTPS is a significant compliance and security gap. Incident response and security policy information are not publicly available, which may affect trust and readiness. Overall, the security posture requires immediate remediation to meet industry standards and regulatory requirements.

Recommendations

  1. Install and maintain a valid SSL/TLS certificate to enable HTTPS across the entire site.
  2. Enable and enforce modern TLS protocols (TLS 1.2 and TLS 1.3) to secure communications.
  3. Implement HTTP security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options.
  4. Activate HSTS with includeSubDomains and preload to prevent protocol downgrade attacks.
  5. Publish explicit security policies and incident response procedures to improve transparency and trust.
  6. Optimize website performance to reduce load times and improve user experience.
  7. Add visible and verified contact phone numbers and physical addresses to enhance business credibility.
Technical notes

Notes

The website is built on a modern WordPress platform using Elementor and Elementor Pro, integrating various JavaScript libraries such as jQuery and Swiper.js for UI components. It uses third-party services for analytics (Google Analytics, Plezi), tag management (Google Tag Manager), and cookie consent (Axeptio). DNS is managed via Gandi.net with properly configured SPF and DMARC records, indicating good email security practices. However, the SSL/TLS configuration is critically lacking, with no valid certificate and no TLS protocols enabled, severely impacting secure access. The site has a large page size (~970 KB) and slow load time (~12 seconds), suggesting optimization opportunities. Mobile optimization is good, but accessibility is basic. SEO is well addressed with meta tags, Open Graph, and JSON-LD structured data.
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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