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Security report for teachingbooks.net

TeachingBooks · Education · N/a

Medium risk. 7 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

71/100

Risk levelMedium

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

TeachingBooks is an established educational platform providing extensive multimedia resources to support children's and young adult reading education. The website offers a rich collection of author interviews, audiobook performances, book trailers, and teaching aids targeting students, educators, and adults interested in literary education. The platform positions itself as a comprehensive resource hub with over 365,000 resources, emphasizing engagement and accessibility through multilingual support and multimedia content. Technically, the website employs modern web technologies including JW Player for video/audio content, Google Translate for multilingual support, and performance optimizations via pagespeed. The site is mobile-optimized and accessible, with a professional design and clear navigation. However, some standard security headers and explicit privacy and cookie policies are not detected in the provided content, indicating areas for compliance improvement. Security posture is solid with HTTPS enforced and no visible sensitive data exposure. The absence of explicit security policies or incident response contacts suggests room for enhancement in transparency and readiness. WHOIS data for the subdomain is unavailable as expected, but the main domain is presumed legitimate based on content quality and presentation. Overall, TeachingBooks demonstrates a mature digital presence with strong educational content and user experience, though it would benefit from improved privacy disclosures and security policy transparency to enhance trust and compliance.

Scanned

NIS2 and GDPR posture

GDPR outside view
50/ 100 · Medium
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

7 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 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 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. GDPR outside view

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

    • High

      No Privacy Policy found

      GDPR requires a clear and accessible privacy policy

      What to do: Add a comprehensive privacy policy page and link to it prominently

    • High

      No Cookie Consent Banner found

      GDPR requires explicit consent for non-essential cookies

      What to do: Implement a cookie consent banner that appears on first visit

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

Keep watching teachingbooks.net

This scan found 20 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
72
Security headers
35
Email security
85
DNS health
85
Network security
100
GDPR outside view
50
Average
71

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 teachingbooks.net, from OffSeq Breach.

Total records
887
Employees
0
Customers
887
Third parties
0
Weak passwords
24%

5 subdomains affected

See the 10 newest leaked credentials

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Technical appendix

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

Business context

Business profile

TeachingBooks operates in the education sector, focusing on children's and young adult literature. Its business model likely involves subscription or institutional licensing, targeting schools, libraries, educators, and families. The platform's competitive advantage lies in its extensive multimedia resources and curated content that enrich reading experiences. The presence of a related domain for libraries indicates a partnership or service segmentation strategy. The company appears medium-sized with a well-established market position, leveraging technology to deliver content efficiently. Growth potential exists in expanding digital offerings and enhancing compliance and security features to meet evolving regulatory demands.

Security posture

The website maintains a good security baseline with HTTPS and secure form handling. However, the lack of visible security headers such as Content Security Policy (CSP), HTTP Strict Transport Security (HSTS), and others reduces its defense-in-depth posture. No vulnerability disclosures or incident response contacts are provided, which limits transparency and user confidence in security incident handling. Privacy and cookie policies are not explicitly found, raising compliance concerns especially under GDPR and similar regulations. The use of third-party scripts like Google Analytics and JW Player necessitates regular security reviews to mitigate risks. Overall, the security maturity is moderate with clear opportunities for improvement in policy publication and technical controls.

Recommendations

  1. Publish comprehensive privacy, cookie, and terms of service policies prominently on the website.
  2. Implement and configure security headers including CSP, HSTS, X-Frame-Options, and X-Content-Type-Options.
  3. Establish and publicize a vulnerability disclosure policy and incident response contact information.
  4. Regularly audit third-party scripts and libraries for security vulnerabilities and update them promptly.
  5. Enhance transparency by providing contact details for data protection officers or privacy contacts.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
TeachingBooks
Description
TeachingBooks provides an engaging collection of resources that bring children's and young adult books to life, enriching reading experiences with original and curated literary content.
Key services
Author and illustrator interviews, Audiobook performances, Read-along resources, Book trailers and recordings, Homework help, Reader's advisory, Virtual teaching ideas, Booklist customization and analysis
Content quality
excellent
Branding
consistent

Technology

Stack
jwplayer 8.21.2, jquery, Google Translate widget, AddEvent calendar integration, CSS with pagespeed optimization, JavaScript with pagespeed optimization
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
80/100
Good practices seen
  • HTTPS enforced
  • No exposed sensitive data in HTML
  • Secure form usage (sign in/sign up)

Analytics and tracking

Services
Google Analytics
Tracking level
moderate
Privacy practices
basic

Advertising

Tracking pixels
Google Analytics (via gtag.js)
Marketing tools
AddEvent calendar integration
Transparency
basic

Site quality

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

Key observations

  1. Website is fully accessible with rich content and multimedia resources.
  2. No privacy, cookie, or terms of service policies explicitly found in the HTML content provided.
  3. Contact phone numbers are clearly provided with context.
  4. No email addresses explicitly found in the HTML content.
  5. No social media links detected in the provided HTML snippet.
  6. Uses Google Translate widget supporting 104 languages.
  7. Uses JW Player for multimedia content delivery.
  8. No security.txt or vulnerability disclosure page detected.
  9. No explicit security policy or incident response information found.
  10. WHOIS query for subdomain failed as expected; no registrar info for subdomain.
Technical notes

Notes

The website uses a modern technology stack with JW Player for multimedia, jQuery for DOM manipulation, Google Translate for multilingual support, and AddEvent for calendar integrations. CSS and JavaScript are optimized with pagespeed techniques. The site is mobile responsive and accessible, with good SEO practices including meta tags and structured data. No CMS is explicitly detected, suggesting a custom or proprietary platform. Hosting details are not evident from the content. Performance is moderate with room for improvement in loading speed and caching strategies. Technical debt appears low, but security-related technical enhancements are recommended.
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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