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Security report for zabbly.com

Zabbly · Technology · Canada

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

Security score

68/100

Risk levelMedium

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

Zabbly is a small, specialized Linux consulting and training business operated by Stéphane Graber, focusing on Linux kernel, containers, networking, and community projects. The company provides support, engineering, consulting, and training services primarily for open source projects such as LinuxContainers and kernel builds. The website reflects a professional and consistent brand with clear business information and a strong presence in the Linux open source ecosystem. Technically, the site uses modern frameworks like Bootstrap and is well optimized for mobile and performance, hosted likely on private infrastructure associated with the operator's ISP. Security posture is good with HTTPS and domain transfer protections, though lacks advanced security headers and published security policies. Privacy compliance is weak due to missing privacy and cookie policies. Overall, the site is trustworthy and well maintained with no signs of malicious content or tracking.

Scanned

NIS2 and GDPR posture

GDPR outside view
35/ 100 · High
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 zabbly.com

This scan found 21 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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  • 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
95
Security headers
15
Email security
85
DNS health
80
Network security
100
GDPR outside view
35
Average
68

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

Zabbly occupies a niche market segment as a Linux consulting and open source infrastructure provider, leveraging the founder's reputation and leadership in major Linux container projects. The business model is service-oriented, offering support, engineering, consulting, and training to enterprises and developers using Linux technologies. Revenue streams likely include paid support and training engagements. The company maintains partnerships with major open source projects and participates in cybersecurity events like NorthSec. The business is small but well positioned within the Linux technology community, with a clear focus on quality and expertise rather than scale. The absence of advertising and tracking suggests a privacy-respecting approach aligned with open source values.

Security posture

The website demonstrates a moderate to good security posture with HTTPS enforced and domain transfer protections in place. However, it lacks DNSSEC, security headers, and published security or incident response policies, which are important for enhancing trust and compliance. No vulnerabilities or exposed sensitive data were detected in the HTML content. The absence of tracking scripts reduces privacy risks. The site would benefit from adding security headers and formalizing security policies to improve its security maturity and compliance with standards such as GDPR and NIS2.

Recommendations

  1. Enable DNSSEC on the domain to improve DNS security and prevent spoofing.
  2. Implement and publish a privacy policy and cookie policy with consent mechanisms to improve GDPR compliance.
  3. Add security headers such as Content-Security-Policy, X-Content-Type-Options, and X-Frame-Options to harden the website against common attacks.
  4. Publish a security policy and incident response contact information to enhance transparency and readiness.
  5. Consider adding minimal analytics with privacy-respecting configurations to monitor site usage and improve user experience.

Contact details published on the site

Legal name
Zabbly (sole proprietorship by Stéphane Graber)
Registration number
2278859170
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Zabbly
Description
Linux consulting, training and services focused on Linux Kernel, Containers, Networking and Community. Operated by Stéphane Graber as a sole proprietorship registered in Quebec, Canada.
Key services
Support for Incus, LXC, LXCFS, Distrobuilder, Linux kernel and ZFS builds, Engineering and consulting, Training on Linux low-level features and containers
Content quality
excellent
Branding
consistent

Technology

Stack
Bootstrap 5, Bootstrap Icons, GitHub, CDNJS (jsdelivr.net)
Frameworks
Bootstrap
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
75/100
Good practices seen
  • HTTPS enabled (implied by https://zabbly.com)
  • Domain status clientTransferProhibited
  • No exposed sensitive data in HTML

Analytics and tracking

Tracking level
minimal
Privacy practices
poor

Advertising

Transparency
poor

Site quality

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

Key observations

  1. Website is a professional consulting and open source project site for Linux technologies.
  2. No privacy, cookie, or terms of service policies found, which is a compliance gap.
  3. No security policy or incident response information published.
  4. No analytics or tracking scripts detected, indicating privacy-conscious approach.
  5. Site uses modern responsive design with Bootstrap and CDN resources.
  6. WHOIS data supports legitimacy and business claims.
  7. No advertising or affiliate marketing detected.
Technical notes

Notes

The website is built using Bootstrap 5 and Bootstrap Icons, served with assets from jsdelivr CDN, ensuring modern responsive design and good performance. The HTML is well structured with proper meta tags including Open Graph and Twitter cards for SEO and social sharing. Hosting appears to be on private infrastructure associated with AS399760, a small ISP operated by the business owner, indicating control over hosting environment. No CMS detected, suggesting a static or custom-built site. The site loads quickly and is mobile optimized. There is no evidence of technical debt or outdated libraries. The lack of analytics and tracking scripts indicates a minimalistic and privacy-focused technical approach.
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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