Jonathan Warner · Other · Netherlands
Medium risk. 7 critical or high findings in GDPR outside view, Security headers and 1 other check.
Jonathan Warner is a Netherlands-based leadership consultancy specializing in providing human-centric leadership solutions at the board, team, and individual levels. The company positions itself as a trusted advisor offering tailored leadership development and governance optimization services. The website reflects a professional and consistent brand image with rich content including client case studies and insights, targeting leadership professionals and organizations seeking to improve leadership effectiveness. Technically, the website is built on the Webflow platform, leveraging modern JavaScript libraries such as jQuery and GSAP for animations and user experience enhancements. The site is mobile-optimized and accessible, with good SEO practices evident in meta tags and structured content. Hosting is managed by Webflow, ensuring reliable performance, though some performance optimizations could be considered. From a security perspective, the site uses HTTPS with a good SSL configuration but lacks several important security headers and does not implement a cookie consent mechanism, which impacts GDPR compliance. No explicit security policies or incident response contacts are published, indicating room for improvement in security transparency and readiness. Overall, the website is trustworthy and professional but would benefit from enhanced privacy compliance measures and security best practices to strengthen its risk posture and user trust.
Scanned
NIS2 Art. 21(2)
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.
7 findings rated critical or high. Fix these first.
These are the privacy signals visitors and data protection authorities look for under GDPR.
EU businesses are subject to strict GDPR requirements
What to do: Implement comprehensive GDPR compliance including privacy policy, cookie consent, and data protection measures
GDPR requires a clear and accessible privacy policy
What to do: Add a comprehensive privacy policy page and link to it prominently
GDPR requires clear information about cookie usage
What to do: Add a dedicated cookie policy explaining cookie usage and purposes
Detected services: LinkedIn, Cloudflare, Google APIs
What to do: Document all third-party data sharing in your privacy policy
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.
Prevents clickjacking attacks
What to do: Add "X-Frame-Options: DENY" or "X-Frame-Options: SAMEORIGIN"
Controls resources the browser is allowed to load
What to do: Implement a Content-Security-Policy appropriate for your application
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Each check with its score, findings and the evidence it collected.
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
Not counted
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.
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
Leaked credentials and lookalike domains from OffSeq Breach. The counts are free; the detailed lists are paid add-ons.
Leaked records that mention jonathanwarner.nl, from OffSeq Breach.
No leaked records found
Breach holds no records for jonathanwarner.nl right now. New leaks arrive continuously, so monitoring on Breach alerts you if that changes.
Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.
Automated reading of the public site. Ratings are indicative.
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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