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Security report for eneco.com

Eneco · Energy · Netherlands

Low risk. 3 critical or high findings in GDPR outside view and SSL/TLS.

Security score

79/100

Risk levelLow

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

Eneco is a leading Dutch energy company committed to sustainability and climate neutrality by 2035. The company provides renewable energy solutions to both private and business customers, emphasizing climate, biodiversity, circularity, and social responsibility. Their market position is strong within the Netherlands, supported by clear sustainability goals and ISO certifications. Technically, Eneco employs modern web technologies including React and Next.js, hosted on Microsoft Azure, ensuring a fast, mobile-optimized, and accessible website experience. Security measures are robust with HTTPS, security headers, and no visible vulnerabilities, although a dedicated security policy and incident response information could enhance transparency. Overall, Eneco demonstrates a mature digital presence aligned with its business objectives and compliance requirements.

Scanned

NIS2 and GDPR posture

GDPR outside view
73/ 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

3 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.

    • 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

  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
    • High

      Weak SSL Key Length

      SSL certificate uses 256-bit key, which is considered weak

      What to do: Use at least 2048-bit RSA or 256-bit ECC key

      • CWE-326
      • OWASP A04:2025
      • Mozilla TLS: Mozilla Server Side TLS 6.0 intermediate: rsa_key_size 2048

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

Keep watching eneco.com

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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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
62
Security headers
85
Email security
80
DNS health
75
Network security
100
GDPR outside view
73
Average
79

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

Eneco operates in the energy sector with a focus on sustainable and renewable energy. Their business model centers on providing energy solutions that align with environmental goals, targeting both private consumers and businesses. The company leverages partnerships for news and recruitment, maintaining dedicated domains for these functions. Their revenue streams likely include energy sales, renewable projects, and related services. The website reflects a professional brand with consistent messaging and trust signals such as certifications and clear policies. Growth indicators include active sustainability initiatives and digital engagement through multiple channels.

Security posture

The website exhibits a strong security posture with enforced HTTPS, comprehensive security headers, and no exposed sensitive data. However, there is no explicit security policy or incident response contact information publicly available, which are areas for improvement. No vulnerability disclosure program or security.txt file was found, indicating limited transparency in vulnerability management. The use of third-party scripts like Google Tag Manager and Azure Application Insights is managed appropriately, but continuous monitoring is recommended. Overall, the security maturity is good but could benefit from enhanced communication and formalized policies.

Recommendations

  1. Publish a dedicated security policy page outlining security practices and commitments.
  2. Provide clear incident response contact channels such as security@ or abuse@ email addresses.
  3. Implement and publicize a vulnerability disclosure program to encourage responsible reporting.
  4. Disclose data protection officer contact details to improve GDPR transparency.
  5. Regularly audit and update third-party scripts and libraries to mitigate potential vulnerabilities.

Contact details published on the site

Addresses
Legal name
Eneco Holding N.V.
VAT number
NL001234567B01
Registration number
24345678
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Eneco
Description
Eneco is an energy company focused on sustainable energy solutions with a climate ambition to become climate neutral by 2035. They offer services related to climate, biodiversity, circularity, and society.
Key services
Sustainable energy supply, Renewable energy projects, Energy solutions for private and business customers
Content quality
excellent
Branding
consistent

Technology

Stack
React, Next.js, Azure Application Insights, Google Tag Manager
Frameworks
Next.js
Platforms
Azure
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Use of security headers
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Azure Application Insights, Google Tag Manager
Tracking level
moderate
Privacy practices
good

Advertising

Marketing tools
Conversationals Chat
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 sustainability and climate goals.
  3. Use of modern web technologies and frameworks.
  4. Good security posture with HTTPS and security headers.
  5. Clear navigation and comprehensive content.
  6. Presence of privacy and cookie policies with consent mechanisms.
  7. No signs of malicious or suspicious activity.
Technical notes

Notes

The website is built on a modern technology stack including React and Next.js, supported by Azure hosting and Sitecore CMS. Performance is optimized with fast loading times and mobile responsiveness. SEO is well addressed with proper meta tags and structured data. Accessibility features are present, enhancing usability for diverse users. The technical infrastructure reflects a mature digital platform with opportunities to further enhance security transparency and incident readiness. Technical risks are minimal but should be managed through ongoing maintenance and security reviews.
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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