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Security report for santillana.com.br

Santillana · Education · Brazil

Medium risk. 4 critical or high findings in GDPR outside view and SSL/TLS.

Security score

75/100

Risk levelMedium

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

Santillana is a well-established educational publisher operating in Brazil, providing educational content and learning resources targeted at students, educators, and educational institutions. The website reflects a professional digital presence with consistent branding and good content quality focused on education. The technical infrastructure leverages modern analytics and marketing technologies, hosted on AWS with strong HTTPS enforcement and security headers, indicating a mature digital setup. However, explicit security policies and incident response information are not publicly available, which could be improved to enhance trust and compliance. Overall, the website demonstrates a solid security posture with no critical vulnerabilities detected, and privacy compliance is supported by comprehensive cookie and privacy policies integrated with a recognized consent management platform. Strategic recommendations include publishing clear security and incident response policies, implementing a vulnerability disclosure mechanism, and enhancing accessibility features to further improve user experience 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

4 findings rated critical or high. Fix these first.

  1. 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

    • High

      Third-party services without privacy policy

      Detected services: Google Analytics, Facebook

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

  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 Protocols Supported

      Server supports weak protocols: TLSv1.1

      What to do: Disable TLS 1.0, TLS 1.1, and all SSL versions

      • CWE-327
      • OWASP A04:2025
      • ASVS V12.1.1

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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
67
Security headers
80
Email security
85
DNS health
70
Network security
100
GDPR outside view
50
Average
75

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 santillana.com.br, from OffSeq Breach.

Total records
721
Employees
0
Customers
719
Third parties
2
Weak passwords
40%

8 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 santillana.com.br.

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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

Santillana holds a significant position in the Brazilian education sector as a content publisher. Their business model revolves around providing educational materials and resources, targeting schools and learners. The company leverages partnerships with major analytics and marketing platforms to optimize user engagement and advertising effectiveness. While direct contact information is not prominently displayed, the presence of privacy and cookie policies indicates a commitment to regulatory compliance. The company appears to operate at a large scale with a focus on digital transformation and user privacy. Growth opportunities may include expanding direct customer engagement channels and enhancing transparency around security and data protection practices.

Security posture

The website employs HTTPS with good SSL configuration and includes key security headers such as Content-Security-Policy and Strict-Transport-Security, which protect against common web vulnerabilities. The use of third-party scripts like Google Analytics, Facebook Pixel, and Hotjar is managed with consent mechanisms, aligning with GDPR requirements. However, the absence of published security policies, incident response contacts, and vulnerability disclosure processes represents a compliance gap and potential risk area. No exposed sensitive data or vulnerable libraries were detected in the analysis. The security posture is strong but could benefit from formalizing security governance and incident handling publicly.

Recommendations

  1. Publish a dedicated security policy page outlining security practices and compliance.
  2. Implement and publicize a vulnerability disclosure program, including a security.txt file.
  3. Provide clear contact channels for security incidents, such as security@ or abuse@ email addresses.
  4. Enhance website accessibility to meet higher standards for users with disabilities.
  5. Regularly review and audit third-party scripts and cookies to minimize privacy and security risks.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Santillana
Description
Educação e conexões a favor do conhecimento
Key services
Educational content, Publishing, Learning resources
Content quality
good
Branding
consistent

Technology

Stack
AWS DNS, Google Analytics, Facebook Pixel, Hotjar, Google Tag Manager, Adopt Consent SDK
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Use of security headers
  • No exposed sensitive data detected

Analytics and tracking

Services
Google Analytics, Hotjar
Tracking level
extensive
Privacy practices
good

Advertising

Ad networks
Google Ads, Facebook Ads
Tracking pixels
Facebook Pixel, Hotjar
Marketing tools
OneTrust
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 no blocking or WAF challenges.
  2. Strong use of third-party analytics and marketing tools with consent management.
  3. Privacy and cookie policies are present and linked to a recognized consent management platform.
  4. No direct contact emails or phone numbers found on the main page or metadata.
  5. No explicit security or incident response policies published on the website.
  6. No vulnerability disclosure or security.txt file detected.
  7. Website content is focused on education and publishing in Brazil.
  8. Good use of HTTPS and security headers.
  9. No suspicious or malicious domains linked.
  10. No adult or questionable content detected.
Technical notes

Notes

The website is hosted on AWS infrastructure with DNS managed by Amazon Route 53, indicating reliable and scalable hosting. It uses modern analytics and marketing technologies including Google Analytics, Facebook Pixel, Hotjar, and Google Tag Manager, integrated with a consent management platform (Adopt SDK). The site is served over HTTPS with appropriate security headers, contributing to a secure browsing experience. Performance is moderate with good mobile optimization and SEO practices evident from meta tags and Open Graph data. No CMS was explicitly detected, suggesting a custom or proprietary platform. The technical setup is robust but could improve in accessibility and explicit documentation of security and privacy controls.
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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