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Security report for thieme-connect.de

Georg Thieme Verlag · Healthcare · Germany

Medium risk. 3 critical or high findings in SSL/TLS and Security headers.

Security score

64/100

Risk levelMedium

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

Georg Thieme Verlag operates Thieme Connect, a comprehensive online platform offering electronic medical and scientific products including e-books, e-journals, and e-learning solutions. The website targets healthcare professionals, researchers, and librarians, positioning itself as a trusted provider of specialized medical knowledge and educational resources. The platform is well-branded and professionally maintained, reflecting a mature digital presence in the healthcare publishing sector. Technically, the site employs modern web technologies including JavaScript frameworks, Google Tag Manager for analytics, and OneTrust for cookie consent, ensuring compliance with privacy regulations. Security posture is strong with HTTPS enforced and cookie consent implemented, though explicit security headers and incident response information are absent. Overall, the site is safe, professional, and trustworthy with no adult or questionable content detected.

Scanned

NIS2 and GDPR posture

GDPR outside view
100/ 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

3 findings 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.

    • Critical

      Unable to retrieve SSL certificate

      Could not establish secure connection to retrieve certificate information

      What to do: Check if the server is accessible and SSL/TLS is properly configured

  2. 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';…

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

Keep watching thieme-connect.de

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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
0
Security headers
30
Email security
85
DNS health
70
Network security
100
GDPR outside view
100
Average
64

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

Breach exposure

Leaked credentials and lookalike domains from OffSeq Breach. The counts are free; the detailed lists are paid add-ons.

Dark web exposure

Add-on

Leaked records that mention thieme-connect.de, from OffSeq Breach.

Total records
293
Employees
0
Customers
293
Third parties
0
Weak passwords
16%

3 subdomains affected

See the 10 newest leaked credentials

A one-off add-on to this report that lists the most recent identifier and password pairs OffSeq Breach holds for thieme-connect.de.

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Breach keeps ingesting new leaks, so these numbers can grow between scans.

Technical appendix

Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.

Business context

Business profile

Thieme Connect serves a niche market in healthcare and medical education, leveraging digital content delivery to reach professionals and institutions. Its business model centers on subscription and sales of electronic content and educational services. The presence of dedicated career and CME platforms indicates a broad ecosystem supporting professional development. Advertising and tracking are managed through reputable networks and tools, balancing marketing needs with privacy compliance. The company maintains active social media channels to engage its audience. The domain and hosting infrastructure appear stable and consistent with a large, established publisher. Growth opportunities may lie in expanding digital offerings and enhancing mobile experience.

Security posture

The website demonstrates a solid security foundation with HTTPS and cookie consent mechanisms in place, reflecting GDPR compliance. However, the absence of explicit security headers such as Content-Security-Policy and lack of published security policies or incident response contacts represent areas for improvement. No vulnerabilities or exposed sensitive data were detected in the HTML content. The use of third-party scripts and ad networks is standard but should be continuously monitored for security risks. Overall, the security posture is good but could be enhanced by formalizing security documentation and implementing additional HTTP security headers.

Recommendations

  1. Implement and publish a dedicated security policy and incident response contact information to improve transparency and readiness.
  2. Add HTTP security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options to strengthen browser security.
  3. Enhance mobile optimization and accessibility features to improve user experience across devices.
  4. Consider publishing a vulnerability disclosure policy or security.txt file to encourage responsible reporting of security issues.
  5. Regularly review third-party scripts and ad networks for security and privacy compliance to maintain trust.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Georg Thieme Verlag
Description
Thieme Connect ist die Online-Plattform für elektronische Produkte der Thieme Gruppe. Es erwarten Sie E-Books, E-Journals, E-Learning und weitere interessante Angebote.
Key services
E-Books, E-Journals, E-Learning, Klinische Lösungen, Referenzwerke, Enzyklopädien
Content quality
good
Branding
consistent

Technology

Stack
JavaScript, CSS, HTML5, Google Tag Manager, OneTrust Cookie Consent, Adition Ad Network, Facebook SDK
Performance
moderate
Mobile
basic
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent mechanism implemented
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Google Tag Manager
Tracking level
moderate
Privacy practices
good

Advertising

Ad networks
Adition
Tracking pixels
Facebook SDK
Marketing tools
OneTrust Cookie Consent
Transparency
basic

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. Comprehensive cookie consent mechanism implemented via OneTrust.
  3. No explicit security policy or incident response contacts found.
  4. No vulnerability disclosure or security.txt present.
  5. Multiple social media channels linked, indicating active engagement.
  6. Advertising via Adition network with Google Tag Manager and Facebook tracking.
  7. Website content is professional, medically focused, and safe for general audiences.
  8. WHOIS data is minimal but domain appears legitimate and consistent with business claims.
Technical notes

Notes

The website uses a modern tech stack with JavaScript, CSS, and HTML5, integrating Google Tag Manager for analytics and OneTrust for cookie consent management. Advertising is handled via the Adition network, and social media SDKs are embedded for Facebook. The site shows moderate performance and basic mobile optimization. No CMS or hosting provider details were explicitly detected. SEO is supported by proper meta tags and Open Graph data. The site structure and navigation are clear and professional. Opportunities exist to improve accessibility and performance metrics further, as well as to adopt additional security headers and formalize security documentation.
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

Earlier scans of this domain

  1. 75/100Medium27 findingsView report
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