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Security report for bosten-beaujean.de

BOSTEN & BEAUJEAN Steuerberater PartG mbB · Finance · Germany

High risk. 8 critical or high findings in GDPR outside view, Network security and 2 other checks.

Security score

49/100

Risk levelHigh

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

Bosten & Beaujean is a small, established German tax advisory firm with a history dating back to 1955, currently operating in its third generation. The company positions itself as a modern and digital-forward service provider specializing in tax advisory and digital workflow optimization for businesses across Germany. Their website reflects a professional and consistent brand image, emphasizing personalized client service and digital transformation. Technically, the website is built on the Contao CMS platform using jQuery and Bootstrap, hosted by hosting.de, and is mobile-optimized with moderate performance. Security posture is solid with HTTPS enforced and basic CSRF protections, but lacks advanced security headers and published security policies. Privacy compliance is well addressed with a GDPR-compliant privacy policy and cookie consent mechanism. No forms or social media links are present on the homepage, and no incident response or vulnerability disclosure information is provided. Overall, the website is trustworthy, professional, and safe for general audiences.

Scanned

NIS2 and GDPR posture

GDPR outside view
40/ 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

8 findings rated critical or high. Fix these first.

  1. GDPR outside view

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

    • Critical

      EU business without adequate privacy measures

      EU businesses are subject to strict GDPR requirements

      What to do: Implement comprehensive GDPR compliance including privacy policy, cookie consent, and data protection measures

    • 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

  2. Network security

    Services reachable from the internet are the first thing attackers probe. Anything open that does not need to be should be closed.

    • Critical

      Critical Service Exposed: MySQL

      Port 3306 (MySQL) is publicly accessible - MySQL - Database server

      What to do: Immediately restrict access to MySQL using firewall or VPN

      • NIS2 21(2)(e)
      • IR 2024/2690 6.7.2(f): Implementing Regulation (EU) 2024/2690, Annex point 6.7.2(f): Network security
      • NIST CM-7: NIST SP 800-53 Rev. 5 CM-7: Least Functionality
      • NIST SC-7: NIST SP 800-53 Rev. 5 SC-7: Boundary Protection

  3. 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';…

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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
72
Security headers
65
Email security
75
DNS health
65
Network security
0
GDPR outside view
40
Average
53
After the cap
49

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 · found on this site
  • 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

The company operates in the finance sector, focusing on tax advisory and digital workflow consulting for modern enterprises in Germany. Their long-standing history and certification by DATEV as a Digitale Kanzlei 2025 indicate a commitment to digital transformation and quality service. The business model centers on personalized, knowledge-driven consulting with a strong emphasis on customer care. The website targets small to medium-sized businesses seeking expert tax and digitalization services. The absence of social media and limited online marketing tools suggests a traditional client acquisition approach. The company maintains a consistent brand and professional online presence, reinforcing trust and credibility in their niche market.

Security posture

The website demonstrates a basic to moderate security maturity level. HTTPS is properly implemented, and session management includes CSRF protection cookies. However, the absence of common security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options limits defense-in-depth. No public security policies or incident response contacts are provided, which could hinder transparency and responsiveness in case of security incidents. No vulnerabilities or exposed sensitive data were detected in the analysis. Privacy compliance is strong with GDPR-aligned cookie consent and privacy policy. Overall, the security posture is adequate for the business type but could be improved with enhanced headers and published security documentation.

Recommendations

  1. Implement additional HTTP security headers including Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options to strengthen protection against common web attacks.
  2. Publish a dedicated security policy and provide clear incident response contact information to improve transparency and preparedness.
  3. Conduct regular audits of third-party scripts and libraries to ensure no vulnerabilities are introduced.
  4. Enhance accessibility features to improve compliance and user experience for all visitors.
  5. Consider adding terms of service and vulnerability disclosure information to increase trust and compliance.

Contact details published on the site

Addresses
Legal name
BOSTEN & BEAUJEAN Steuerberater PartG mbB
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
BOSTEN & BEAUJEAN Steuerberater PartG mbB
Description
Wir bringen Menschen und Zahlen zusammen und sind gerne Ihre erste Adresse für die Digitalisierung von Workflows und exzellenter Kundenbetreuung. Deutschlandweit. Mit tiefem Wissen. Weitem Horizont. Und mit dem Herzen bei modernen Unternehmen. Seit 1955. Mittlerweile in dritter Generation.
Key services
tax advisory, digitalization of workflows, customer support
Content quality
good
Branding
consistent

Technology

Stack
jQuery, Bootstrap, Contao CMS
Frameworks
Bootstrap
Platforms
Contao CMS
Performance
moderate
Mobile
good
Accessibility
basic
SEO
basic

Security

Observed score
80/100
Good practices seen
  • HTTPS enforced
  • CSRF protection cookie present
  • PHP session cookie secured
  • Cookie consent banner implemented

Analytics and tracking

Tracking level
minimal
Privacy practices
good

Advertising

Transparency
poor

Site quality

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

Key observations

  1. Website is fully accessible with no blocking or WAF challenges.
  2. Content is professional and targeted at German tax advisory clients.
  3. Cookie consent mechanism is implemented and GDPR privacy policy is present.
  4. No forms detected on the homepage; contact details provided in footer.
  5. No social media links found in the HTML content.
  6. Use of Contao CMS with jQuery and Bootstrap for frontend.
  7. No evident security headers beyond HTTPS and session cookies.
  8. No analytics or tracking scripts detected.
  9. No terms of service page found.
  10. Business is small, family-run, with a long history since 1955.
Technical notes

Notes

The website uses a mature CMS platform (Contao) combined with jQuery and Bootstrap for frontend functionality and responsive design. Hosting is provided by hosting.de, as indicated by the nameservers. The site loads with moderate speed and is mobile-optimized. SEO is basic with meta tags present but no Open Graph or JSON-LD structured data detected. No analytics or tracking scripts were found, indicating minimal user tracking. The site uses multiple CSS and JS files, some with versioning for cache control. No forms are present on the homepage, reducing attack surface. Overall, the technical infrastructure is stable and suitable for a small professional services firm, but opportunities exist to modernize SEO and enhance security headers.
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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