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Security report for linguaschools.de

Linguaschools · Education · Germany

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

Security score

51/100

Risk levelMedium

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

Linguaschools operates as a well-established network of high-quality Spanish language schools located in Spain and Latin America, targeting language learners and cultural travelers. Founded in 2005, it offers a broad range of Spanish courses including intensive, combined, individual, semi-intensive, exam preparation, and online options, complemented by cultural activities such as surfing and dance. The company positions itself as a leading provider in its niche with a strong emphasis on cultural immersion and quality education. Technically, the website employs modern web technologies including Google Tag Manager, Google Maps API, and a cookie consent tool, hosted on a provider indicated by the nameservers yourwebhoster.com and yourwebhoster.nl. The site is mobile-optimized with good SEO practices and moderate performance. Multilingual support is robust, enhancing accessibility for international users. From a security perspective, the site uses HTTPS with no visible critical vulnerabilities or exposed sensitive data. Cookie consent mechanisms and privacy policies align with GDPR requirements. However, security headers are not explicitly detected and could be improved. No incident response or vulnerability disclosure policies are found, suggesting room for enhancement in security governance. Overall, Linguaschools presents a professional, trustworthy, and user-friendly online presence with strong business credibility and compliance posture. Strategic improvements in security headers and incident response readiness would further strengthen its security stance.

Scanned

NIS2 and GDPR posture

GDPR outside view
43/ 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

6 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.

    • Critical

      EU business without adequate privacy measures

      EU businesses are subject to strict GDPR requirements

      What to do: Implement comprehensive GDPR compliance including privacy policy, cookie consent, and data protection measures

    • 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

  2. 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';…

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

Keep watching linguaschools.de

This scan found 28 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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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
15
Email security
70
DNS health
65
Network security
40
GDPR outside view
43
Average
51

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

Linguaschools holds a strong market position as a specialized education provider focusing on Spanish language immersion in Spain and Latin America. Its competitive advantage lies in combining language instruction with cultural experiences and maintaining high-quality standards through accreditations like Instituto Cervantes. The business model revolves around direct operation and partnership with select language schools, targeting adult learners including seniors and culturally motivated travelers. The multilingual approach and active social media presence support broad market reach and brand recognition. Growth indicators include a diverse course portfolio and geographic expansion. The partnership ecosystem includes sister sites in multiple languages, enhancing global accessibility.

Security posture

The website demonstrates a mature security posture with enforced HTTPS, cookie consent compliance, and no visible sensitive data leaks. The absence of explicit security headers and vulnerability disclosure policies indicates potential gaps in defense-in-depth and transparency. No signs of malware or phishing were detected. The site lacks dedicated security or incident response contact channels, which could hinder rapid response to security incidents. Overall, the security maturity is good but could benefit from formalized policies and enhanced HTTP security headers.

Recommendations

  1. Implement comprehensive HTTP security headers such as Content-Security-Policy, Strict-Transport-Security, X-Frame-Options, and X-Content-Type-Options.
  2. Publish a clear security policy and vulnerability disclosure program to encourage responsible reporting and improve trust.
  3. Add explicit incident response contact information or dedicated security email addresses.
  4. Conduct regular third-party script audits to mitigate risks from external dependencies.
  5. Enhance accessibility features to improve compliance and user experience for all users.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Linguaschools
Description
Linguaschools ist ein Netzwerk hochqualitativer Sprachschulen in Spanien und Lateinamerika. Die Kurse finden für verschiedene Level und in unterschiedlicher Intensität statt. Sie starten ganzjährig jeden Montag und werden von professionellen Lehrern mit spanischer Muttersprache unterrichtet.
Key services
Spanisch Sprachreisen, Intensivkurse, Kombinierte Kurse, Einzelunterricht, Semi-intensive Kurse, Prüfungsvorbereitung, Online Spanischkurse, Spanisch & Aktivitäten (Surfen, Tanz, Kultur)
Content quality
excellent
Branding
consistent

Technology

Stack
Google Tag Manager, Google Maps API, jQuery, Slick Slider, ComplyDog Cookie Consent Tool
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent mechanism
  • No exposed sensitive data in HTML
  • No visible vulnerable libraries

Analytics and tracking

Services
Google Analytics (via GTM)
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Google Analytics (via Google Tag Manager)
Transparency
basic

Site quality

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

Key observations

  1. Website is fully accessible with rich content in German language.
  2. Strong multilingual support with multiple language versions linked.
  3. Comprehensive course offerings and locations detailed.
  4. Use of modern web technologies and third-party services.
  5. Clear contact information with phone numbers and contact page.
  6. Cookie consent and privacy policy implemented in compliance with GDPR.
  7. No visible security or privacy red flags.
  8. Social media presence across major platforms.
  9. No signs of adult or inappropriate content.
Technical notes

Notes

The website uses a modern tech stack with Google Tag Manager for analytics and marketing, Google Maps API for interactive location maps, and a third-party cookie consent tool (ComplyDog). The hosting provider is inferred from nameservers as yourwebhoster.com and yourwebhoster.nl, suggesting a European hosting environment. Performance is moderate with lazy loading images and responsive design. The site lacks a detected CMS, indicating a custom or proprietary platform. SEO is well addressed with meta descriptions and multilingual support. Technical risks include reliance on multiple external scripts and absence of detected security headers. Opportunities exist to improve performance optimization and 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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