Skip to main content

Security report for sempergreen.com

Sempergreen · Real Estate · United States

High risk. 6 critical or high findings in Security headers and SSL/TLS.

Security score

49/100

Risk levelHigh

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

Sempergreen is a globally recognized market leader specializing in sustainable green solutions including green roofs, living walls, and ground cover. The company targets a professional audience comprising contractors, architects, roofers, landscape architects, gardeners, and civil engineers. Their business model focuses on providing direct-green products and tailored project recommendations, supported by a network of nurseries and dealers worldwide. The website reflects a medium-sized enterprise with a strong brand presence and consistent messaging aligned with environmental sustainability. Technically, the website employs modern tracking and marketing technologies such as Google Tag Manager, Matomo Analytics, Cookiebot for consent management, and Google reCAPTCHA for form security. The site is mobile-optimized with good SEO practices and moderate performance. However, no CMS or hosting provider details were explicitly detected. From a security perspective, the site enforces HTTPS and uses reCAPTCHA to protect forms, but lacks visible security headers and published security policies or incident response contacts. No vulnerability disclosure or security.txt files were found, indicating room for improvement in transparency and security maturity. The absence of WHOIS data raises concerns about domain registration legitimacy, which should be investigated further to ensure trustworthiness. Overall, the website is professional, content-rich, and user-friendly, but the domain registration inconsistency and limited security policy disclosures present moderate risks. Strategic enhancements in security governance and domain verification are recommended to strengthen trust and compliance.

Scanned

NIS2 and GDPR posture

GDPR outside view
83/ 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

6 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. 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

      SSL Certificate Expires Soon

      SSL certificate expires in 22 days

      What to do: Renew SSL certificate before expiration

      • NIS2 21(2)(h)
      • IR 2024/2690 9.2(c): Implementing Regulation (EU) 2024/2690, Annex point 9.2(c): Cryptography
      • NIST SC-17: NIST SP 800-53 Rev. 5 SC-17: Public Key Infrastructure Certificates

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

Keep watching sempergreen.com

This scan found 28 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.

Daily monitoring

Recommended

€25per month

  • TLS certificates and expiry
  • DNS records
  • SPF, DKIM and DMARC
  • Security headers
  • GDPR and NIS2 posture
  • Exposed services
  • Third-party trackers
  • Security score drift

Email alerts on material changes and an exportable JSON history of every change.

Billed monthly to your card. Cancel anytime. The full timeline opens with your unlock code.

Full report

€39.90one-time

  • The complete analysis as a PDF you can cite
  • Email delivery with an unlock code
  • Lifetime access to this report

Prices incl. 21% VAT. Secure checkout by Mollie; sold by SEQ SIA, Latvia.

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
32
Security headers
20
Email security
55
DNS health
65
Network security
40
GDPR outside view
83
Average
49

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

Sempergreen holds a strong market position as a worldwide leader in green roofing and landscaping solutions, leveraging a B2B business model targeting construction and landscaping professionals. Their competitive advantage lies in their direct-green product offerings, extensive project references, and online project recommendation tools. Revenue streams likely include product sales, project consulting, and remediation services. The company maintains a global partnership ecosystem, including international subsidiaries and service providers. Growth indicators include active content updates, newsletter engagement, and diversified language support. The website's integration with marketing and analytics platforms suggests a mature digital marketing strategy supporting business expansion.

Security posture

The website demonstrates a moderate to good security posture with mandatory HTTPS encryption and use of Google reCAPTCHA to mitigate automated abuse. Cookie consent mechanisms align with privacy regulations. However, the absence of key security headers such as Content-Security-Policy and lack of published security or incident response policies indicate gaps in security governance. No explicit vulnerability disclosure or security.txt files were found, limiting transparency for security researchers. The missing WHOIS registration data is a critical concern that undermines domain legitimacy and trust. Overall, while technical controls are in place, organizational security practices and transparency require enhancement to meet higher compliance and security standards.

Recommendations

  1. Verify and update domain registration details to ensure WHOIS data accuracy and legitimacy.
  2. Publish a comprehensive security policy and incident response contact information on the website.
  3. Implement and enforce security headers including Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options.
  4. Establish a vulnerability disclosure program and publish a security.txt file to facilitate responsible reporting.
  5. Conduct regular audits of third-party scripts and marketing tools to mitigate supply chain risks.

Contact details published on the site

Addresses
Legal name
Sempergreen
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Sempergreen
Description
Sempergreen is worldwide market leader in direct-green solutions for green roofs, living walls and ground cover.
Key services
Green Roofs, Living Walls, Green Ground Cover, Project recommendations, Green roof remediation services
Content quality
good
Branding
consistent

Technology

Stack
Google Tag Manager, Google reCAPTCHA v3, Matomo Analytics, Cookiebot, Diffuser (visitor tracking), Prism (marketing automation)
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Google reCAPTCHA v3 for forms
  • Cookie consent mechanism

Analytics and tracking

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

Advertising

Tracking pixels
Matomo, Diffuser
Marketing tools
Cookiebot, MailerLite, Prism
Transparency
good

Site quality

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

Key observations

  1. Website is fully accessible with rich content and navigation
  2. No WAF or blocking mechanisms detected
  3. WHOIS data missing, indicating possible domain registration issues
  4. Strong privacy and cookie policies with consent mechanisms
  5. Multiple contact methods including forms, emails, and phone numbers
  6. Use of modern analytics and marketing tools
  7. No explicit security policy or incident response info published
  8. No vulnerability disclosure or security.txt found
  9. Good SEO and mobile optimization
  10. No adult or questionable content detected
Technical notes

Notes

The website uses a modern technology stack including Google Tag Manager, Matomo Analytics, Cookiebot for consent management, and Google reCAPTCHA v3 for form protection. The site is well-structured with responsive design and good SEO metadata. Performance is moderate with asynchronous loading of scripts. No CMS or hosting provider information was detected, suggesting a custom or proprietary platform. Accessibility features are basic and could be improved. The site integrates multiple external services for marketing and analytics, which should be regularly reviewed for security and privacy compliance. Overall, the technical infrastructure supports business needs but could benefit from enhanced accessibility 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

Reviews of this site

Share your experience with sempergreen.com. Every review is verified by email and published after moderation.

Overall rating
Select a rating
4000 characters remaining

We’ll email you to confirm your review and keep your details private.

Community rating

No published reviews yet. Be the first to review sempergreen.com.

Feedback on this report

Rate this report, add an optional comment, and tell us if you want a security specialist to follow up.

Overall report quality
Select a rating
2000 characters remaining

We only use your feedback to improve Guard reports. Contact details are never shared.