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Security report for bdosecurity.de

BDO Cyber Security GmbH · Technology · Germany

Low risk. 1 critical or high finding in SSL/TLS.

Security score

79/100

Risk levelLow

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

BDO Cyber Security GmbH is a specialized cybersecurity consulting and training company operating under the reputable BDO brand in Germany. The company offers services including Cyber Incident Response, Offensive Security, Cyberstrategy consulting, and cybersecurity education through its Cyber Academy. The website targets businesses and organizations seeking professional cybersecurity solutions and training. The market position is that of a focused cybersecurity service provider leveraging the BDO brand's trust and recognition. Technically, the website is built on Kentico CMS, uses modern JavaScript libraries like jQuery, and integrates Google Tag Manager, Cookiebot for consent management, and Microsoft Application Insights for telemetry. The hosting infrastructure appears to be managed by Deutsche Telekom AG, indicating a reliable hosting environment. Security-wise, the site enforces HTTPS with strong security headers and implements a comprehensive cookie consent mechanism aligned with GDPR requirements. No critical vulnerabilities or exposed sensitive data were detected. However, the site lacks a public security policy, incident response contact details, and a vulnerability disclosure policy, which are recommended for enhanced transparency and trust. Overall, the website is professional, secure, and compliant with privacy regulations, making it a trustworthy platform for cybersecurity services.

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

1 finding rated critical or high. Fix these first.

  1. 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 Protocols Supported

      Server supports weak protocols: TLSv1.1

      What to do: Disable TLS 1.0, TLS 1.1, and all SSL versions

      • CWE-327
      • OWASP A04:2025
      • ASVS V12.1.1

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Keep watching bdosecurity.de

This scan found 18 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

€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

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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
77
Security headers
70
Email security
70
DNS health
70
Network security
100
GDPR outside view
88
Average
79

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

BDO Cyber Security GmbH operates in the technology sector, focusing on cybersecurity consulting and training. Its business model revolves around providing expert advisory services and educational programs to corporate clients. The company benefits from the strong BDO brand, which enhances its market credibility and reach. The website's integration with marketing and analytics tools like HubSpot and Google Analytics indicates active digital marketing efforts and customer engagement tracking. The absence of direct contact emails or phone numbers on the site suggests a preference for contact via web forms, possibly to streamline inquiries and maintain privacy. The company appears medium-sized with a clear focus on cybersecurity, positioning itself as a specialized player in the German market. Partnerships with the parent BDO brand and use of reputable hosting and technology providers further strengthen its operational foundation.

Security posture

The website demonstrates a mature security posture with enforced HTTPS, HSTS, and multiple security headers such as Content-Security-Policy and X-Frame-Options. The use of Cookiebot ensures user consent management for cookies, supporting GDPR compliance. Application Insights provides telemetry and monitoring capabilities, aiding in proactive security and performance management. No vulnerable libraries or exposed sensitive information were found in the HTML content. However, the lack of a public security policy, incident response contacts, and vulnerability disclosure mechanisms represents gaps in transparency and incident readiness. Addressing these would improve the overall security culture and trustworthiness. The current security score is strong, but there is room for improvement in policy disclosures and incident communication.

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 and publish a vulnerability disclosure policy or security.txt file to encourage responsible reporting.
  4. Enhance website accessibility to meet higher standards for users with disabilities.
  5. Improve SEO metadata completeness including Open Graph and meta description tags for better search visibility.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
BDO Cyber Security GmbH
Description
Wir beraten Sie zu Cyber Incident Response, Offensive Security, Cyberstrategie und bieten Schulungen über unsere Cyber Academy
Key services
Cyber Incident Response, Offensive Security, Cyberstrategy consulting, Cybersecurity training via Cyber Academy
Content quality
good
Branding
consistent

Technology

Stack
jQuery 3.5.1, Google Tag Manager, Cookiebot, Microsoft Application Insights, Kentico CMS
Performance
moderate
Mobile
good
Accessibility
basic
SEO
basic

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced with HSTS
  • Cookie consent with opt-in/opt-out
  • No exposed sensitive data in HTML
  • Use of Application Insights for telemetry

Analytics and tracking

Services
Google Analytics, Microsoft Application Insights, HubSpot
Tracking level
moderate
Privacy practices
good

Advertising

Ad networks
Google AdSense, Amazon
Tracking pixels
Cookiebot, HubSpot
Marketing tools
HubSpot
Transparency
good

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 challenge.
  2. Cookie consent is implemented with detailed cookie categories and descriptions.
  3. No explicit terms of service page found.
  4. Contact information is available via a contact page but no direct emails or phone numbers found in HTML.
  5. Use of multiple third-party analytics and marketing tools with consent.
  6. Good HTTPS and security headers observed.
  7. No signs of malware or phishing.
  8. Content is professional and relevant to cybersecurity consulting and training.
  9. No adult or questionable content detected.
Technical notes

Notes

The website is built on Kentico CMS with jQuery 3.5.1 and integrates Google Tag Manager and Cookiebot for analytics and consent management. Microsoft Application Insights is used for telemetry, indicating a modern approach to monitoring. Hosting is provided by Deutsche Telekom AG, suggesting reliable infrastructure. Performance is moderate with preloading of fonts and CSS, but could be optimized further. Mobile optimization is good, and basic accessibility features are present though could be improved. SEO is basic with some meta tags present but incomplete Open Graph data. No critical technical debt or risks were identified, but improvements in metadata and accessibility would enhance the site quality.
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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