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Security report for eur.nl

Erasmus University Rotterdam · Education · Netherlands

Low risk. 1 critical or high finding in SSL/TLS.

Security score

85/100

Risk levelLow

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

Erasmus University Rotterdam (EUR) is a well-established Dutch educational institution with a strong focus on bachelor and master programs, research, and societal impact. The university targets students, researchers, and academic professionals, maintaining a leading position in the Dutch and international education market. The website reflects a mature digital presence with comprehensive content, clear navigation, and multilingual support. Technically, the site is built on Drupal CMS, leveraging modern analytics tools like Matomo and Google Tag Manager, and employs OneTrust for cookie consent management, indicating a commitment to privacy compliance. Security posture is strong with HTTPS enforcement, security headers, and no visible vulnerabilities. However, explicit security policies and incident response contacts could be improved. Overall, the domain registration data aligns well with the university's identity, supporting legitimacy and trustworthiness.

Scanned

NIS2 and GDPR posture

GDPR outside view
88/ 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

1 finding rated critical or high. Fix these first.

  1. 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 eur.nl

This scan found 14 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
77
Security headers
85
Email security
83
DNS health
75
Network security
100
GDPR outside view
88
Average
85

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

EUR operates as a large educational entity in the Netherlands, offering a broad portfolio of academic programs and research initiatives. Its market position is reinforced by partnerships with affiliated institutes such as Rotterdam School of Management and Erasmus MC. The business model centers on education and research services, targeting prospective and current students, academic staff, and partners. The website's content quality and branding consistency support a professional image, while the use of modern web technologies and analytics tools indicates a digitally mature organization. The presence of GDPR-compliant privacy and cookie policies reflects regulatory adherence. The university's ecosystem includes multiple partner domains, enhancing its academic network and service offerings.

Security posture

The website demonstrates a solid security posture with enforced HTTPS, comprehensive security headers (CSP, HSTS, X-Frame-Options), and no detected exposure of sensitive data. The use of OneTrust for cookie consent and Matomo for privacy-respecting analytics further supports compliance with privacy regulations. However, the absence of a dedicated security policy page and incident response contact details limits transparency in security governance. No security.txt file or vulnerability disclosure program was found, which could be areas for enhancement. Overall, the security maturity is good, with room for improvement in formal security communication and incident management readiness.

Recommendations

  1. Publish a dedicated security policy page outlining security governance and controls.
  2. Provide clear incident response contact information, including abuse and security email addresses.
  3. Implement and publish a security.txt file to facilitate responsible vulnerability disclosure.
  4. Regularly review and update third-party scripts and libraries to mitigate potential vulnerabilities.
  5. Enhance transparency by including certifications or compliance attestations related to information security.

Contact details published on the site

Addresses
Legal name
Erasmus Universiteit Rotterdam
VAT number
NL004207801B01
Registration number
40355316
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Erasmus University Rotterdam
Description
Erasmus University Rotterdam (EUR) is a prominent Dutch university offering bachelor and master programs, focusing on societal solutions for the future.
Key services
Bachelor programs, Master programs, Executive education, Research activities
Content quality
excellent
Branding
consistent

Technology

Stack
Drupal CMS, Matomo Analytics, Google Tag Manager, OneTrust Cookie Consent
Frameworks
Drupal
Platforms
Web
Performance
moderate
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Use of CSP
  • Cookie consent mechanism
  • No exposed sensitive data detected

Analytics and tracking

Services
Matomo, Google Tag Manager
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Matomo
Marketing tools
OneTrust Cookie Consent
Transparency
good

Site quality

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

Key observations

  1. Website is professionally designed and well-structured.
  2. Strong focus on education and research content.
  3. Comprehensive privacy and cookie policies with consent mechanisms.
  4. Use of modern analytics and consent management tools.
  5. No signs of blocking or WAF interference.
  6. WHOIS data supports legitimacy and transparency.
Technical notes

Notes

The website is powered by Drupal CMS, indicating a robust and scalable content management framework. It integrates Matomo and Google Tag Manager for analytics and tracking, balanced with OneTrust for cookie consent management, reflecting a privacy-conscious approach. The site is mobile-optimized with good accessibility features and SEO practices. Performance is moderate, likely influenced by the use of multiple external scripts and rich media content. Hosting details are not explicitly identified but appear stable and secure. The technical stack is modern and well-maintained, though continuous monitoring for performance optimization and security patching is advisable.
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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