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Security report for serienegra.es

RBA · Media · Spain

Medium risk. 6 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

72/100

Risk levelMedium

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

RBA Libros is a well-established Spanish publishing group specializing in various literary genres, including the crime-focused 'Serie Negra' imprint. The website serves as a digital storefront and informational portal for their crime genre books, offering features such as book listings, author information, and newsletter subscriptions. The site is professionally designed with consistent branding and targets readers interested in crime novels, essays, and biographies. Technically, the website employs a modern JavaScript stack including RequireJS, jQuery, and lazy loading libraries, hosted partially on Microsoft Azure Blob Storage, ensuring moderate performance and good mobile optimization. Security posture is solid with HTTPS enforced and GDPR-compliant consent management via Didomi, though security headers are not explicitly detected and could be improved. The absence of WHOIS data limits domain trust verification, but the website's content and external references strongly indicate legitimacy. Overall, the site presents a trustworthy and professional digital presence for RBA's crime literature segment.

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

6 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 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

    • High

      Third-party services without privacy policy

      Detected services: Google Analytics, Facebook, Cloudflare, Google APIs

      What to do: Document all third-party data sharing in your privacy policy

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

Keep watching serienegra.es

This scan found 19 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
50
Email security
85
DNS health
75
Network security
100
GDPR outside view
50
Average
72

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

RBA operates as a major player in the Spanish publishing industry with a diversified portfolio of imprints and subsidiaries. The 'Serie Negra' imprint focuses on crime and noir literature, catering to a niche but dedicated audience. The business model revolves around publishing, marketing, and selling books both in physical and digital formats. The website supports this model with search and filter capabilities, author listings, and promotional content. RBA's ecosystem includes related domains for foreign rights, collectibles, and magazines, indicating a broad market reach. The presence of GDPR-compliant consent mechanisms and privacy policies reflects a mature approach to regulatory compliance and customer trust. Strategic partnerships and social media engagement further enhance market positioning and customer outreach.

Security posture

The website demonstrates a mature security posture with mandatory HTTPS and a comprehensive cookie consent mechanism powered by Didomi, ensuring GDPR compliance. Tracking and analytics services are consent-based, including Google Analytics, Comscore, Facebook Pixel, and Chartbeat. However, the lack of visible security headers such as Content Security Policy (CSP), HSTS, and X-Frame-Options suggests room for improvement in hardening the site against common web attacks. No vulnerabilities or exposed sensitive data were detected in the HTML content. Incident response and vulnerability disclosure information are not publicly available, which could be enhanced to improve transparency and security readiness. Overall, the site balances user privacy and security well but would benefit from additional security best practices.

Recommendations

  1. Implement security headers including CSP, HSTS, X-Frame-Options, and X-XSS-Protection to enhance protection against web attacks.
  2. Publish a security policy and incident response contact information to improve transparency and readiness.
  3. Add a publicly accessible vulnerability disclosure or security.txt file to encourage responsible reporting.
  4. Regularly audit third-party libraries and scripts to ensure no vulnerable versions are in use.
  5. Enhance accessibility features to improve compliance with WCAG standards and broaden user inclusivity.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
RBA
Description
Sello especializado en género negro. Apasionados por el tratamiento inteligente del crimen en la novela, el ensayo y la biografía.
Key services
Book publishing, Book sales, Newsletter subscription
Content quality
good
Branding
consistent

Technology

Stack
RequireJS, jQuery 2.0.0, lazysizes, Google Tag Manager, Didomi Consent SDK, VideoJS, FontAwesome, Typeahead.js, Slick Carousel
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Consent management for GDPR compliance
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Google Analytics, Comscore, Chartbeat, Facebook Analytics
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Comscore, Facebook Pixel, Chartbeat
Marketing tools
Didomi Consent SDK
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 rich content and navigation.
  2. Strong GDPR and cookie consent implementation via Didomi.
  3. Multiple social media and external links to official RBA properties.
  4. No security headers detected in provided data; recommend adding.
  5. WHOIS data unavailable, limiting domain trust verification.
  6. No signs of malicious or adult content.
  7. Professional publishing imprint website with good user experience.
Technical notes

Notes

The website uses a combination of RequireJS for module loading, jQuery 2.0.0, and lazy loading libraries such as lazysizes to optimize image loading. Google Tag Manager is used for analytics and marketing tag management, alongside Didomi for consent management. The site loads fonts from Google Fonts and icons from FontAwesome. VideoJS is included for media playback capabilities. Hosting of static assets on Microsoft Azure Blob Storage suggests a scalable and reliable infrastructure. Performance is moderate with good mobile optimization and basic accessibility features. The CMS appears custom or proprietary, with no common CMS signatures detected. SEO is supported by proper meta tags and Open Graph data. Overall, the technical stack is modern but could benefit from updates to jQuery and enhanced accessibility compliance.
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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