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Security report for ze-energy.net

株式会社ZEエナジー · Energy · Japan

High risk. 7 critical or high findings in Security headers, GDPR outside view and 2 other checks.

Security score

48/100

Risk levelHigh

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

株式会社ZEエナジー is a Japanese company specializing in biomass energy solutions aimed at achieving a sustainable society. Their core business involves developing and operating biomass power generation systems that convert waste and thinning wood into energy through carbonization and gasification processes. The company positions itself as an environmental consulting group focused on renewable energy and waste management, targeting enterprises and government bodies concerned with environmental issues. Their product lineup includes various biomass gasification and carbonization devices, supported by consulting and service offerings. The website is professionally designed, bilingual (Japanese and English), and provides comprehensive company and contact information, reflecting a credible and established business presence since 2011. Technically, the website is built on WordPress CMS, utilizing modern libraries such as jQuery, Bootstrap 5, Slick Carousel, and Font Awesome 6. It employs Google Analytics for user tracking and is hosted under a registrar known for domain services in Japan. The site is mobile-optimized with good SEO practices but lacks some advanced accessibility features. Performance is moderate, with no critical technical debt observed. From a security perspective, the site uses HTTPS with a valid SSL certificate, ensuring encrypted communications. However, it lacks DNSSEC and security headers like Content-Security-Policy or X-Frame-Options, which are recommended for enhanced protection. No vulnerabilities or exposed sensitive data were detected in the HTML content. Privacy compliance is partial; a privacy policy is present, but no cookie consent mechanism or GDPR-specific indicators were found. Incident response contacts and vulnerability disclosure policies are absent, representing areas for improvement. Overall, the website demonstrates a solid business credibility and technical foundation with room for security and privacy enhancements. The risk profile is low, with no signs of malicious activity or content safety concerns. Strategic recommendations include implementing DNSSEC, adding security headers, deploying cookie consent tools, and publishing incident response information to strengthen trust and compliance.

Scanned

NIS2 and GDPR posture

GDPR outside view
53/ 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

7 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 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';…

  2. GDPR outside view

    These are the privacy signals visitors and data protection authorities look for under GDPR.

    • 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

    • 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 ze-energy.net

This scan found 27 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
72
Security headers
15
Email security
70
DNS health
60
Network security
20
GDPR outside view
53
Average
48

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

株式会社ZEエナジー operates in the renewable energy sector, focusing on biomass power generation and environmental consulting. Their competitive advantage lies in proprietary carbonization and gasification technologies that convert industrial and agricultural waste into energy, addressing both environmental and energy resource challenges. The business model integrates product sales, consulting, and support services, targeting corporate and governmental clients invested in sustainability. Growth indicators include recent media coverage and participation in international energy exhibitions. The company maintains multiple offices in Japan, indicating regional operational capacity. Partnerships or subsidiaries are not explicitly listed, suggesting a focused organizational structure. The website content and product offerings reflect a commitment to innovation and environmental stewardship, positioning the company as a niche player in Japan's renewable energy market.

Security posture

The website exhibits a moderate security maturity level. HTTPS is properly implemented, ensuring secure data transmission. However, the absence of DNSSEC and security headers reduces defense-in-depth capabilities. No exposed credentials or sensitive information were found, and the contact forms appear standard without visible vulnerabilities. The lack of an incident response contact or vulnerability disclosure policy indicates limited preparedness for security incidents. Privacy compliance is partial, with a privacy policy present but no cookie consent or GDPR-specific measures. Overall, the security posture is adequate for a small enterprise but would benefit from enhancements to meet higher compliance and security standards.

Recommendations

  1. Implement DNSSEC to protect against DNS spoofing and enhance domain security.
  2. Add essential security headers such as Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security.
  3. Deploy a cookie consent banner or mechanism to comply with privacy regulations and improve user trust.
  4. Publish an incident response contact or security.txt file to facilitate vulnerability reporting and incident management.
  5. Enhance website accessibility features to improve usability and compliance with accessibility standards.

Contact details published on the site

Addresses
Legal name
株式会社ZEエナジー
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
株式会社ZEエナジー
Description
持続可能な社会を目指す株式会社ZEエナジー。バイオマス発電システムの開発・運営で環境問題に取り組みます。廃棄物や間伐材を炭化・ガス化し、エネルギーの地産地消を目指す。炭化装置を用いて熱分解し炭を生み出し、二酸化炭素削減とエネルギー資源問題の解決に寄与。
Key services
コンサルティング, サービス・サポート, バイオマス発電システムの開発・販売
Content quality
good
Branding
consistent

Technology

Stack
jQuery, Bootstrap 5, Slick Carousel, Lightbox2, Font Awesome 6, Google Analytics (gtag.js)
Frameworks
WordPress
Platforms
WordPress CMS
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
75/100
Good practices seen
  • HTTPS enabled
  • No exposed sensitive data in HTML
  • Use of secure contact forms

Analytics and tracking

Services
Google Analytics
Tracking level
moderate
Privacy practices
basic

Advertising

Transparency
basic

Site quality

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

Key observations

  1. Website is fully accessible with no blocking or WAF challenges.
  2. Content is professionally presented in Japanese with English version available.
  3. Company focuses on biomass energy and environmental sustainability.
  4. Contact information is clearly provided with multiple office locations.
  5. No explicit privacy cookie banner or consent mechanism detected.
  6. Security headers are not explicitly visible; DNSSEC not enabled.
  7. Uses WordPress CMS with common plugins and libraries.
  8. Google Analytics is used for tracking user behavior.
  9. No visible vulnerabilities or exposed sensitive data in HTML.
Technical notes

Notes

The website is built on WordPress CMS with a modern front-end stack including jQuery, Bootstrap 5, Slick Carousel, Lightbox2, and Font Awesome 6. Google Analytics is used for visitor tracking. The site is mobile-optimized and SEO-friendly with proper meta tags and structured navigation. Performance is moderate, with no critical technical debt or errors detected. Hosting details are not explicit but the domain registrar is GMO Internet Group, a reputable Japanese provider. The site lacks DNSSEC and some security headers, which are recommended for improved security posture. Overall, the technical infrastructure supports the business needs effectively but has opportunities for modernization and security hardening.
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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