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Security report for hanser-elibrary.com

Hanser · Education · Germany

Low risk. 2 critical or high findings in Security headers and SSL/TLS.

Security score

76/100

Risk levelLow

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

The HANSER eLibrary is a specialized digital platform providing technical and scientific publications, including eBooks, eJournals, and eLearning courses primarily targeted at engineers, technicians, and academic institutions. The platform supports institutional access via IP and Shibboleth login, as well as individual user registration. The website is professionally designed with good navigation and mobile optimization, offering a rich content experience in German and English languages. Technically, the site employs modern web technologies including JavaScript, CSS, and HTML5, with analytics powered by Cloudflare Insights and cookie consent managed by OneTrust. The hosting and security infrastructure appears robust with HTTPS enforced and standard security practices in place, although explicit security headers are not fully visible in the provided data. From a security perspective, the platform demonstrates a solid posture with secure login forms and privacy compliance mechanisms, though explicit privacy and terms of service documents were not found in the analyzed content. The absence of WHOIS data reduces domain trust slightly, but the overall site professionalism and content quality support legitimacy. Overall, the HANSER eLibrary represents a credible and well-maintained educational resource with moderate to high security and privacy compliance. Strategic improvements include publishing clear privacy and security policies, enhancing visible security headers, and providing incident response information to strengthen trust and compliance.

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

2 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 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

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

Keep watching hanser-elibrary.com

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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  • 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
75
Security headers
65
Email security
70
DNS health
60
Network security
100
GDPR outside view
88
Average
76

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 hanser-elibrary.com, from OffSeq Breach.

Total records
488
Employees
0
Customers
488
Third parties
0
Weak passwords
19%

2 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 hanser-elibrary.com.

Select it in the checkout above.

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

HANSER eLibrary operates in the education sector, focusing on providing specialized technical literature and eLearning content. Its business model revolves around subscription and institutional access, targeting libraries, academic institutions, and individual professionals. The platform's competitive advantage lies in its curated content for engineers and technicians, supported by integration with institutional authentication systems like Shibboleth. The company appears medium-sized, based in Germany, with a consistent brand presence and a focus on digital content delivery. Growth potential exists through expanding eLearning offerings and enhancing user engagement features. Partnerships with academic and corporate entities likely support its market position.

Security posture

The website maintains a good security posture with HTTPS enforced and secure login mechanisms. Cookie consent is managed via a reputable third-party tool (OneTrust), indicating attention to privacy compliance. However, explicit security policies, incident response contacts, and vulnerability disclosure information are absent, representing gaps in transparency and readiness. No vulnerabilities or exposed sensitive data were detected in the analyzed content. The use of Cloudflare Insights suggests monitoring capabilities. To improve, the organization should publish detailed security and privacy policies, provide clear incident response channels, and ensure all recommended security headers are implemented and visible.

Recommendations

  1. Publish comprehensive privacy and terms of service documents accessible from the homepage.
  2. Implement and visibly confirm security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options.
  3. Provide clear incident response and vulnerability disclosure contact information to enhance transparency and trust.
  4. Enhance WHOIS data visibility or ensure domain registration details are consistent and publicly accessible to improve legitimacy.
  5. Regularly audit third-party scripts and analytics tools to ensure compliance with privacy regulations and minimize tracking risks.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Hanser
Description
Die HANSER eLibrary bietet Fachinformationen für Ingenieure und Techniker in Ausbildung und im Beruf sowie für Wissenschaftler an Hochschulen und Institutionen. Sie finden hier zahlreiche E-Books und E-Journals aus verschiedenen Fachgebieten.
Key services
E-Books, E-Journals, eLearning courses, Institutional access, Individual login
Content quality
good
Branding
consistent

Technology

Stack
JavaScript, CSS, HTML5, Cloudflare Insights, OneTrust Cookie Consent
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
80/100
Good practices seen
  • HTTPS enforced
  • Login forms with password fields
  • Cookie consent mechanism implemented

Analytics and tracking

Services
Cloudflare Insights
Tracking level
moderate
Privacy practices
basic

Advertising

Tracking pixels
Cloudflare Insights
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 rich content.
  2. No WHOIS data available, indicating possible new domain or privacy protection.
  3. Cookie consent and privacy compliance mechanisms are implemented.
  4. No explicit privacy or terms of service pages found in the provided content.
  5. No direct contact emails or phone numbers found on the homepage.
  6. Site uses Cloudflare Insights for analytics and OneTrust for cookie consent.
  7. Content is primarily in German and English, targeting technical professionals and academics.
  8. No adult or questionable content detected.
Technical notes

Notes

The website uses a modern tech stack with JavaScript, CSS, and HTML5, supported by Cloudflare for hosting and analytics. Cookie consent is managed by OneTrust, indicating compliance with GDPR and related regulations. The site is mobile optimized and accessible, with good SEO practices evident from meta tags and structured data. Performance is moderate, with asynchronous loading of scripts and deferred JavaScript. No CMS was explicitly detected, suggesting a custom or proprietary platform. Technical risks are minimal but could be reduced further by ensuring all security headers are present and by publishing detailed 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

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