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Security report for esmo.org

European Society for Medical Oncology (ESMO) · Healthcare · Switzerland

Low risk. 2 critical or high findings in Security headers and GDPR outside view.

Security score

83/100

Risk levelLow

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

The European Society for Medical Oncology (ESMO) is a well-established non-profit professional organization dedicated to advancing medical oncology in Europe and globally. It provides clinical guidelines, educational resources, research support, and organizes major oncology congresses. The website reflects a mature digital presence with a focus on healthcare professionals and patients interested in oncology. The organization holds a strong market position as a leading authority in oncology education and research. Technically, the website employs modern JavaScript frameworks, integrates third-party services like YouTube and Mapbox, and uses Google Tag Manager for analytics. The site is mobile-optimized and accessible, with good SEO practices. Performance is moderate but acceptable for the content richness. Security-wise, the site enforces HTTPS, includes important security headers, and avoids exposing sensitive data. However, it lacks a publicly visible security policy or incident response contact, which could be improved. Privacy compliance is strong with clear privacy and cookie policies and consent mechanisms. Overall, the website is trustworthy, professional, and secure, with minor areas for enhancement in security transparency and performance optimization.

Scanned

This is an earlier scan of esmo.org. View the latest report

NIS2 and GDPR posture

GDPR outside view
68/ 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

2 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"

  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

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

Keep watching esmo.org

This scan found 16 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
100
Security headers
70
Email security
80
DNS health
80
Network security
100
GDPR outside view
68
Average
83

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

ESMO operates as a large healthcare non-profit entity focused on oncology. Its business model revolves around memberships, educational events, clinical guidelines, and publications. The organization targets oncologists, researchers, and healthcare professionals, with secondary outreach to patients. ESMO's competitive advantage lies in its authoritative clinical guidelines and extensive educational offerings. The organization is headquartered in Switzerland and has a global reach through digital and event platforms. Partnerships and collaborations are implied but not explicitly detailed on the site. The website content and structure support a strong brand identity and market leadership in oncology education.

Security posture

The website demonstrates a mature security posture with HTTPS enforcement and comprehensive security headers. No critical vulnerabilities or exposed sensitive information were detected. The use of reputable third-party scripts is noted, though continuous monitoring is recommended. The absence of a public security policy and incident response contact reduces transparency and could hinder rapid response to security incidents. GDPR compliance is evident through privacy and cookie policies. Overall, the security posture is strong but could benefit from enhanced disclosure and vulnerability management practices.

Recommendations

  1. Publish a dedicated security policy page outlining security practices and commitments.
  2. Implement and publicize a vulnerability disclosure program or security.txt file.
  3. Add explicit incident response contact information for security issues.
  4. Conduct regular audits of third-party scripts and dependencies to mitigate risks.
  5. Optimize website performance to improve load times and user experience.

Contact details published on the site

Addresses
Legal name
European Society for Medical Oncology
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
European Society for Medical Oncology (ESMO)
Description
ESMO is a leading professional organization for medical oncology in Europe, providing education, research, and clinical practice guidelines to improve cancer care.
Key services
clinical guidelines, educational events and congresses, research support, publications and journals, membership services
Content quality
excellent
Branding
consistent

Technology

Stack
JavaScript, YouTube Player API, Google Tag Manager, Mapbox GL JS, Cloudinary Video Player, PrimeVue UI components, Tailwind CSS
Frameworks
Vue.js (implied by PrimeVue usage)
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • security headers present
  • no exposed sensitive data in HTML
  • secure external scripts

Analytics and tracking

Services
Google Analytics
Tracking level
moderate
Privacy practices
good

Advertising

Transparency
basic

Site quality

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

Key observations

  1. Website is fully accessible with rich content and professional design.
  2. No WHOIS data available due to query failure or privacy protection.
  3. Strong focus on oncology and medical professional services.
  4. Good privacy and cookie policy presence with consent mechanisms.
  5. No explicit security policy or incident response contact found publicly.
  6. Uses modern web technologies and analytics tools.
  7. No suspicious or malicious indicators detected.
Technical notes

Notes

The website uses a modern tech stack including Vue.js (via PrimeVue), Tailwind CSS, and integrates multiple third-party APIs such as YouTube and Mapbox. Google Tag Manager is used for analytics and marketing. The site is mobile responsive and accessible with good SEO metadata. No CMS was explicitly detected, suggesting a custom or static site generation approach. Hosting provider details are not disclosed. Performance is moderate, with opportunities for optimization. The technical implementation is robust with minor areas for improvement in performance and security transparency.
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

Earlier scans of this domain

  1. 75/100Medium11 findings · partial scanView report
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