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Security report for tccuadernos.com

TC Cuadernos · Retail · Spain

Medium risk. 9 critical or high findings in Security headers, GDPR outside view and 2 other checks.

Security score

50/100

Risk levelMedium

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

TC Cuadernos operates a professional e-commerce website specializing in architecture books and magazines, targeting architects, students, and enthusiasts primarily in Spain. The website is built on PrestaShop CMS with modern web technologies and includes features such as product carousels, search, user accounts, and secure checkout. Security posture is strong with HTTPS, security headers, and CAPTCHA protections, though explicit privacy and cookie policies are not clearly linked. WHOIS data is unavailable, which raises some concerns about domain legitimacy, but the website content and functionality suggest a legitimate business. Overall, the site demonstrates good digital maturity with room for improvement in privacy transparency and incident response readiness.

Scanned

NIS2 and GDPR posture

GDPR outside view
35/ 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

9 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 Policy found

      GDPR requires clear information about cookie usage

      What to do: Add a dedicated cookie policy explaining cookie usage and purposes

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

Keep watching tccuadernos.com

This scan found 24 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.

Daily monitoring

Recommended

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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
20
Email security
75
DNS health
80
Network security
20
GDPR outside view
35
Average
50

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

The company focuses on niche publishing and retail of architecture literature, offering both individual sales and subscription services. The market position is specialized with a consistent brand presence and a catalog featuring notable architects and publications. The business model relies on direct online sales and subscriptions, supported by marketing tools like MailerLite and analytics via Google services. The absence of explicit company contact details and WHOIS data limits full business verification but the professional presentation and product range indicate a credible operation.

Security posture

The website employs HTTPS with strong SSL configuration and security headers, uses Google reCAPTCHA v2 to protect forms, and avoids exposing sensitive data in the HTML. However, the lack of a published security policy, incident response contacts, and vulnerability disclosure mechanisms reduces overall security transparency. No known vulnerabilities or suspicious scripts were detected. Recommendations include adding security.txt, explicit privacy and cookie policies, and incident response information to enhance trust and compliance.

Recommendations

  1. Publish clear and accessible privacy and cookie policy pages linked in the website footer.
  2. Implement a security.txt file to facilitate vulnerability reporting and improve security transparency.
  3. Provide explicit incident response contact information such as security@ or abuse@ email addresses.
  4. Enhance accessibility features to improve compliance with standards and user experience.
  5. Regularly review and audit third-party scripts and dependencies for security vulnerabilities.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
TC Cuadernos
Description
Editorial especializada en la publicación de libros y revistas de arquitectura. TC Cuadernos, Temas de Arquitectura y En Blanco
Key services
Publishing architecture books and magazines, Online sales of publications, Subscription services
Content quality
good
Branding
consistent

Technology

Stack
PrestaShop CMS, jQuery, Google Analytics, Google reCAPTCHA v2, MailerLite marketing scripts, Owl Carousel, Bootstrap, FontAwesome icons
Frameworks
Bootstrap
Platforms
PrestaShop
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Use of Google reCAPTCHA v2 on forms
  • No exposed sensitive data in HTML
  • Secure form tokens for CSRF protection

Analytics and tracking

Services
Google Analytics, Google Tag Manager
Tracking level
moderate
Privacy practices
basic

Advertising

Marketing tools
MailerLite
Transparency
basic

Site quality

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

Key observations

  1. Website is a professional e-commerce platform specializing in architecture books and magazines.
  2. Content is in Spanish with English alternate language available.
  3. No WHOIS data available, which reduces trust score.
  4. No explicit privacy or cookie policy pages found, but GDPR compliance is indicated in scripts.
  5. Uses modern web technologies and security best practices.
  6. No signs of adult or unsafe content.
  7. No visible contact emails or phone numbers in main HTML; contact form present.
  8. No security.txt or incident response info found.
  9. No suspicious external domains detected.
Technical notes

Notes

The website is powered by PrestaShop CMS, leveraging jQuery, Bootstrap, Owl Carousel, and Google services for analytics and CAPTCHA. The site is mobile responsive with good SEO meta tags and structured data for products. Performance is moderate with lazy loading and asynchronous script loading. The technical stack is modern and well-integrated, though hosting provider details are not disclosed. The site could benefit from enhanced accessibility and performance optimizations.
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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