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Security report for 42lisboa.com

42 | Lisboa · Education · Portugal

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

Security score

67/100

Risk levelMedium

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

42 | Lisboa is an educational website offering free coding education based on a peer-to-peer learning methodology. It is part of the global 42 network, targeting individuals seeking to develop coding skills for modern job markets. The website is built on WordPress using Astra theme and Elementor, with integrations for donations and email marketing. The technical infrastructure is modern and supports mobile optimization and SEO best practices. Security posture is good with HTTPS and reCAPTCHA usage, but lacks some security headers and explicit security policies. Privacy compliance is partially addressed with a cookie consent banner, but no clear privacy policy or terms of service pages are found. WHOIS data is missing or indicates the domain may not be registered, which raises concerns about domain legitimacy despite professional website content.

Scanned

NIS2 and GDPR posture

GDPR outside view
80/ 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

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 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 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

  3. 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

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

Keep watching 42lisboa.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
52
Security headers
15
Email security
75
DNS health
80
Network security
100
GDPR outside view
80
Average
67

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 business operates in the education sector, providing free coding training to prepare the next generation for technology jobs. The business model is non-traditional, focusing on peer-to-peer learning without tuition fees. The website targets learners and prospective applicants. The presence of donation functionality suggests reliance on community support or sponsorship. The site shows consistent branding aligned with the 42 network. Lack of explicit company registration or contact details limits full business credibility assessment. The partnership ecosystem is not evident from the website content.

Security posture

The website enforces HTTPS and uses Google reCAPTCHA to protect forms, indicating a baseline security awareness. However, the absence of common security headers such as Content-Security-Policy and X-Frame-Options reduces defense-in-depth. No published security or incident response policies are found, and no vulnerability disclosure or security.txt file is present. The cookie consent mechanism supports GDPR compliance but lacks a detailed privacy policy. The missing WHOIS data is a significant concern for trust and legitimacy. Overall, the security posture is moderate but could be improved with additional controls and transparency.

Recommendations

  1. Implement and publish a comprehensive privacy policy and terms of service pages to improve compliance and user trust.
  2. Add standard security headers (Content-Security-Policy, X-Frame-Options, X-Content-Type-Options) to enhance protection against common web attacks.
  3. Publish a security.txt file and vulnerability disclosure policy to encourage responsible reporting and improve security posture.
  4. Verify and update WHOIS registration information to ensure domain legitimacy and transparency.
  5. Enhance contact information availability, including official company emails and phone numbers, to improve business credibility.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
42 | Lisboa
Description
LEARN TO CODE FOR FREE. We prepare the next generation for the jobs of today and tomorrow by offering high quality, peer-to-peer coding education.
Key services
Coding education, Peer-to-peer learning, Curriculum and methodology training
Content quality
good
Branding
consistent

Technology

Stack
WordPress, Yoast SEO, Elementor, GiveWP (donation plugin), Polylang (language switcher), jQuery, Google reCAPTCHA, Brevo (formerly Sendinblue) for email marketing
Frameworks
Astra WordPress theme
Platforms
WordPress CMS
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
80/100
Good practices seen
  • HTTPS enforced
  • Use of Google reCAPTCHA for forms
  • Cookie consent mechanism implemented

Analytics and tracking

Tracking level
minimal
Privacy practices
basic

Advertising

Tracking pixels
Brevo (Sendinblue)
Marketing tools
Brevo (Sendinblue)
Transparency
basic

Site quality

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

Key observations

  1. Website is a WordPress site using Astra theme and Elementor builder
  2. Content is focused on free coding education under the 42 brand
  3. Cookie consent banner is implemented and GDPR compliant
  4. No explicit privacy policy or terms of service pages found
  5. No contact emails or phone numbers explicitly found in content
  6. Contact forms are present for user interaction
  7. No security.txt or vulnerability disclosure information found
  8. WHOIS data is missing or domain appears unregistered, raising legitimacy concerns
Technical notes

Notes

The website uses a modern WordPress setup with Astra theme and Elementor page builder, providing a flexible and responsive design. Integration with GiveWP enables donation processing, and Brevo (Sendinblue) is used for email marketing. Google reCAPTCHA protects forms from spam. The site loads multiple external resources including fonts and scripts from trusted domains. Performance is moderate with good mobile optimization. Accessibility features are basic but present. SEO is supported by Yoast SEO plugin and structured data in JSON-LD format. No major technical debt or outdated libraries detected.
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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