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Security report for esso.nl

Esso · Energy · Netherlands

Low risk. 2 critical or high findings in Security headers and SSL/TLS.

Security score

80/100

Risk levelLow

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

Esso Netherlands operates as a major fuel retail brand under the ExxonMobil umbrella, providing fuel stations, motor oils, payment cards, and loyalty programs targeted at consumers and businesses in the Netherlands. The website reflects a mature digital presence with a professional design, clear navigation, and mobile optimization. The technical infrastructure leverages Sitecore CMS, AWS hosting, and integrates multiple third-party services including OneTrust for cookie consent, Google Analytics, and various mapping and video platforms. Security posture is strong with HTTPS enforcement, comprehensive Content Security Policy, and cookie consent mechanisms. However, explicit security policies and incident response information are not publicly available, representing an area for improvement. Overall, the website is trustworthy, compliant with GDPR, and well-positioned in the energy retail market.

Scanned

NIS2 and GDPR posture

GDPR outside view
100/ 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

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 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. 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 esso.nl

This scan found 16 issues across 5 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
72
Security headers
70
Email security
70
DNS health
70
Network security
100
GDPR outside view
100
Average
80

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

Esso Netherlands benefits from its association with ExxonMobil, leveraging a strong brand and extensive service offerings in fuel retail and related services. The business model focuses on retail fuel sales, motor oils, and payment solutions, targeting a broad consumer base in the Netherlands. The website's integration with global ExxonMobil domains and use of advanced marketing and analytics tools indicates a sophisticated approach to customer engagement and data-driven marketing. The presence of multiple language and regional versions suggests a global strategy with localized content. The company maintains a consistent brand image and strong market position in the energy sector.

Security posture

The website demonstrates a high level of security maturity with enforced HTTPS, strict Content Security Policy, and use of reputable third-party consent management tools. No exposed sensitive data or vulnerable libraries were detected in the provided content. However, the absence of publicly available security policies, incident response contacts, or vulnerability disclosure mechanisms limits transparency and may hinder rapid incident handling. The extensive use of third-party scripts necessitates ongoing security audits to mitigate supply chain risks. Overall, the security posture is robust but could be enhanced by publishing formal security documentation and incident response procedures.

Recommendations

  1. Publish a dedicated security policy and incident response information on the website.
  2. Implement and publicize a vulnerability disclosure program or security.txt file.
  3. Enhance accessibility features to meet higher compliance standards.
  4. Regularly review and update third-party scripts to mitigate potential vulnerabilities.
  5. Increase transparency around data retention policies and user privacy practices.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Esso
Description
Esso provides fuel stations, motor oils, payment cards, and loyalty programs in the Netherlands.
Key services
Fuel stations, Fuel products (Synergy-benzines, Synergy-diesels, Diesel Blue), Motor oils, Payment cards (Esso Card™), Mobile payments and loyalty programs
Content quality
good
Branding
consistent

Technology

Stack
JavaScript, OneTrust Cookie Consent, Google Tag Manager, Coveo Search, AWS (Amazon Web Services), AppDynamics, Bing Maps, Yandex Maps, Baidu Maps, Brightcove, jQuery, Bootstrap CSS
Frameworks
OneTrust Consent Framework
Platforms
AWS Cloud, Content Delivery Networks (CloudFront)
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • Strict Content Security Policy with extensive allowed sources
  • Use of HTTPS with upgrade-insecure-requests
  • Cookie consent management
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Google Analytics, Google Tag Manager, AppDynamics, Lead Forensics, Medallia, Webtrends
Tracking level
extensive
Privacy practices
good

Advertising

Ad networks
DoubleClick, Google Ads, Taboola, Outbrain, Adsrvr.org
Tracking pixels
AppDynamics, Lead Forensics, Medallia, Webtrends
Marketing tools
Pardot, Brightcove, BazaarVoice, PriceSpider, OneTrust
Transparency
good

Site quality

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

Key observations

  1. Website uses HTTPS with strong security headers.
  2. Comprehensive cookie consent implemented via OneTrust.
  3. Multiple external trusted domains linked, mostly corporate and service providers.
  4. No signs of phishing or malware.
  5. Good integration of analytics and marketing tools with consent management.
  6. No explicit contact emails or phone numbers found in provided HTML; contact likely via forms or dedicated contact page.
  7. No explicit security policy or incident response info found.
  8. No vulnerability disclosure or security.txt detected.
  9. Site uses Sitecore CMS and AWS hosting.
  10. Mobile optimized with responsive design.
Technical notes

Notes

The website is built on a modern technology stack including Sitecore CMS, AWS hosting, and integrates multiple advanced services such as Coveo Search, OneTrust consent management, and various mapping and video platforms. Performance is moderate with good mobile optimization and SEO practices. The extensive Content Security Policy and HTTPS enforcement indicate a focus on security. Some technical debt may exist due to the large number of third-party scripts, which could impact performance and security if not managed properly. Opportunities exist to improve accessibility and streamline third-party integrations for better performance and security.
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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