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Security report for vanmosselshortlease.nl

Van Mossel · Transportation · Netherlands

Medium risk. 4 critical or high findings in Security headers, SSL/TLS and 1 other check.

Security score

69/100

Risk levelMedium

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

Van Mossel Autolease is a well-established Dutch company specializing in automotive leasing solutions, with a strong focus on flexible short-term leasing (shortlease) for business customers. The website reflects a mature digital presence with clear service offerings, targeting startups, SMEs, and organizations requiring temporary mobility. The company leverages a modern CMS (Silverstripe) and integrates advanced analytics and marketing tools such as Google Tag Manager, HubSpot, and Harvest Web Tracker to optimize user engagement and marketing effectiveness. Security posture is robust, with HTTPS enforced, appropriate security headers, and no visible vulnerabilities or exposed sensitive data. Privacy compliance is well addressed through comprehensive privacy and cookie policies with active consent mechanisms. Overall, the website demonstrates high professionalism, trustworthiness, and technical maturity, supporting Van Mossel's market position as a leading automotive leasing provider in the Netherlands.

Scanned

NIS2 and GDPR posture

GDPR outside view
88/ 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

4 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 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. SSL/TLS

    TLS encrypts the connection and proves the site is really yours. Weak or expiring certificates trigger browser warnings and put traffic at risk.

    • High

      Weak SSL Key Length

      SSL certificate uses 256-bit key, which is considered weak

      What to do: Use at least 2048-bit RSA or 256-bit ECC key

      • CWE-326
      • OWASP A04:2025
      • Mozilla TLS: Mozilla Server Side TLS 6.0 intermediate: rsa_key_size 2048

  3. DNS health

    DNS sends visitors and email to the right servers. Misconfigured records can cause outages or let someone redirect your traffic.

    • High

      Unregistered MX Record

      MX record points to unregistered domain: fallback.dreamsites.nl

      What to do: Remove or fix MX record pointing to unregistered domain

      • RFC 5321 §5.1
      • NIS2 21(2)(i)
      • IR 2024/2690 12.4: Implementing Regulation (EU) 2024/2690, Annex point 12.4: Asset inventory
      • NIST CM-8: NIST SP 800-53 Rev. 5 CM-8: System Component Inventory

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

Keep watching vanmosselshortlease.nl

This scan found 23 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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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
75
Security headers
25
Email security
75
DNS health
50
Network security
100
GDPR outside view
88
Average
69

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

Van Mossel operates in the transportation sector, offering a broad range of leasing services including operational lease, financial lease, and sustainable mobility options. The business model focuses on flexibility and customer-centric solutions, appealing to a diverse business audience including entrepreneurs and temporary staffing agencies. The company benefits from strong trust indicators such as industry certifications (ICLH, VNA), customer satisfaction ratings, and awards. The website's content and navigation support clear communication of services and facilitate customer engagement. The integration of marketing and analytics platforms indicates a data-driven approach to customer acquisition and retention. No suspicious or inconsistent domain relationships were detected, reinforcing the company's credibility.

Security posture

The website exhibits a solid security foundation with HTTPS enforced and multiple security headers implemented. There is no evidence of exposed credentials or vulnerable libraries in the HTML content. The presence of cookie consent mechanisms aligns with GDPR requirements, although no explicit security policy or incident response information was found. The use of third-party scripts is extensive but from reputable sources. Recommendations include publishing a dedicated security policy, establishing incident response contacts, and implementing a vulnerability disclosure program to enhance transparency and security maturity.

Recommendations

  1. Publish a dedicated security policy page outlining security practices and commitments.
  2. Provide clear incident response contact channels such as security@ or abuse@ email addresses.
  3. Implement a vulnerability disclosure program or publish a security.txt file to encourage responsible reporting.
  4. Enhance website accessibility to meet higher standards for inclusive user experience.
  5. Regularly review and update third-party scripts and tracking tools to mitigate potential vulnerabilities.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Van Mossel
Description
Van Mossel Autolease offers flexible short-term leasing solutions for business customers, including shortlease contracts starting from one month, suitable for new employees, startups, and temporary mobility needs.
Key services
Shortlease, Operational lease, Financial lease, Occasion lease, Sustainable mobility solutions, Fleet management and pool management
Content quality
good
Branding
consistent

Technology

Stack
Silverstripe CMS 5.2, Google Tag Manager, HubSpot, Consent Monitor, Harvest Web Tracker, Cloudflare Insights
Frameworks
Silverstripe CMS
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Security headers present
  • No exposed credentials in HTML
  • Cookie consent mechanism implemented

Analytics and tracking

Services
Google Analytics (via GTM), HubSpot Analytics, Harvest Web Tracker
Tracking level
extensive
Privacy practices
good

Advertising

Ad networks
Google Tag Manager
Tracking pixels
Facebook Pixel, HubSpot Analytics, Harvest Web Tracker
Marketing tools
HubSpot, Consent Monitor
Transparency
good

Site quality

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

Key observations

  1. Website is professionally designed and well-structured
  2. Comprehensive cookie and privacy policies with consent mechanism
  3. Multiple lease options clearly presented targeting business customers
  4. Use of modern CMS and tracking technologies
  5. Strong trust signals including certifications and customer ratings
  6. No signs of blocking or WAF interference
  7. No exposed sensitive data or obvious vulnerabilities
Technical notes

Notes

The website is built on Silverstripe CMS 5.2, a modern and flexible content management system. It uses Google Tag Manager for analytics and marketing tag management, HubSpot for marketing automation, and Harvest Web Tracker for advanced user tracking. The site is hosted behind Cloudflare, providing CDN and security benefits. Performance is moderate with good mobile optimization and SEO practices. Accessibility is basic and could be improved. The technical stack supports a professional and scalable digital presence suitable for a large enterprise in the transportation leasing sector.
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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