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Security report for greenline.com.au

Greenline · Construction · Australia

Medium risk. 4 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

68/100

Risk levelMedium

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

Scanned

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

4 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 Policy found

      GDPR requires clear information about cookie usage

      What to do: Add a dedicated cookie policy explaining cookie usage and purposes

  3. 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 greenline.com.au

This scan found 25 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
57
Security headers
45
Email security
70
DNS health
65
Network security
100
GDPR outside view
68
Average
68

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

Greenline operates in the construction and real estate sector with a focus on outdoor shade structures and tensile membrane solutions. Its competitive advantage lies in being the largest Australian-owned specialist with over 27 years of experience and a client-centric approach. The company targets institutional clients such as schools and councils, offering end-to-end services from design to installation. Revenue streams likely derive from project-based contracts and ongoing client relationships. The company maintains an active social media presence and uses HubSpot for marketing automation, indicating a sophisticated approach to customer engagement and lead generation. The business ecosystem includes partnerships with architects and suppliers, but no explicit partner domains were identified. Growth indicators include a comprehensive project portfolio and testimonials from reputable clients. Operationally, the company emphasizes quality, timeliness, and budget adherence, which are key strategic differentiators.

Security posture

The website demonstrates a solid security posture with mandatory HTTPS and strong SSL configuration. DNS is managed via Cloudflare, providing additional resilience. However, the absence of security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options represents a missed opportunity to harden the site against common web attacks. No exposed credentials or sensitive data were found in the HTML content. The site uses third-party scripts from trusted sources but should regularly audit these for vulnerabilities. Privacy compliance is well addressed with clear policies and consent mechanisms. Incident response and vulnerability disclosure information are lacking, which could impact the company's ability to respond to security incidents effectively. Overall, the security score is good but could be improved with enhanced headers and published security policies.

Recommendations

  1. Implement comprehensive security headers including Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options to mitigate common web vulnerabilities.
  2. Enable DNSSEC to protect against DNS spoofing and enhance domain security.
  3. Publish a formal security policy and incident response contact information to improve transparency and readiness.
  4. Establish a vulnerability disclosure program or security.txt file to encourage responsible reporting of security issues.
  5. Conduct regular security audits of third-party scripts and dependencies to prevent supply chain vulnerabilities.

Contact details published on the site

Addresses
Legal name
Greenline Group Pty Ltd
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Greenline Group Pty Ltd
Description
Greenline is Australian privately owned business, founded 1997 as a small family owned business. We are now a national design and construction firm and the largest Australian-owned tensile membrane structure specialist. Our reputation is that of the industry's most responsive, client-focused partner.
Key services
Construction, Project Management, Fabric Structure Installation
Content quality
excellent
Branding
consistent

Technology

Stack
HubSpot CMS, Google Analytics, Cloudflare DNS, JavaScript, CSS3, HTML5
Frameworks
HubSpot CMS
Platforms
HubSpot
Performance
moderate
Mobile
excellent
Accessibility
good
SEO
good

Security

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

Analytics and tracking

Services
Google Analytics, HubSpot Analytics, LinkedIn Insight
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
LinkedIn Insight Tag
Marketing tools
HubSpot Marketing
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. Content is rich and relevant to the business domain
  3. Strong presence of client testimonials and case studies
  4. Use of HubSpot CMS and marketing tools indicates digital maturity
  5. No critical security issues detected
  6. Privacy and cookie policies are present and compliant
  7. No terms of service or explicit security policy found
  8. No vulnerability disclosure or security.txt found
  9. WHOIS data supports legitimacy and consistency
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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greenline.com.au security report: 68/100 | Guard