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Security report for the-linde-group.com

Linde PLC · Energy · N/a

Medium risk. 6 critical or high findings in GDPR outside view and SSL/TLS.

Security score

53/100

Risk levelMedium

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

Linde PLC is a leading global industrial gases and engineering company focused on delivering innovative solutions to support customers across various sectors including clean energy and sustainability. The website reflects a mature, enterprise-level business with comprehensive content covering their expertise, sustainability initiatives, investor relations, and corporate governance. The technical infrastructure leverages modern tools such as Sitecore CMS, Azure Application Insights, and OneTrust for compliance, indicating a digitally mature platform. However, the security posture is currently weak due to the absence of a valid SSL certificate and lack of modern TLS protocol support, which exposes the site to potential risks and impacts user trust. Privacy and cookie policies are well implemented with consent mechanisms, aligning with GDPR requirements. Overall, the site is professional and trustworthy but requires urgent improvements in SSL/TLS configuration to enhance security and compliance.

Scanned

NIS2 and GDPR posture

GDPR outside view
0/ 100 · Critical
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. GDPR outside view

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

    • Critical

      No HTTPS encryption

      GDPR requires appropriate security measures for personal data

      What to do: Implement SSL/TLS certificate for HTTPS

    • High

      No Privacy Policy found

      GDPR requires a clear and accessible privacy policy

      What to do: Add a comprehensive privacy policy page and link to it prominently

    • 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

  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.

    • Critical

      No HTTPS Encryption

      Website does not use HTTPS encryption, making all data transmission vulnerable to interception

      What to do: Implement SSL/TLS certificate and redirect all HTTP traffic to HTTPS

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

Keep watching the-linde-group.com

This scan found 13 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
0
Security headers
85
Email security
50
DNS health
85
Network security
100
GDPR outside view
0
Average
53

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

Linde operates in the energy and transportation sectors, providing industrial gases, engineering services, and advanced material technologies. Their business model is B2B, targeting industrial customers and investors globally. The company has a strong market position as a leader in clean energy solutions, including hydrogen and carbon capture technologies. The website content and structure demonstrate a consistent brand with high-quality information, supporting their enterprise status. The absence of direct contact emails or phone numbers suggests a preference for controlled communication via contact forms. The company maintains active social media channels, enhancing their digital presence and stakeholder engagement. The domain age and WHOIS data confirm a legitimate, mature business with low expiry risk and consistent registration details.

Security posture

The website employs several security headers such as Content Security Policy, X-Frame-Options, and X-XSS-Protection, indicating awareness of security best practices. However, the lack of a valid SSL certificate and disabled TLS protocols severely undermine the site's security, exposing users to potential interception and data integrity issues. The absence of OCSP stapling and session resumption further impacts performance and security. No vulnerabilities like Heartbleed or POODLE were detected, but the overall SSL configuration is basic and requires immediate remediation. Privacy policies and cookie consent mechanisms are in place, supporting compliance, but incident response contacts and vulnerability disclosure mechanisms are not found, indicating gaps in security readiness.

Recommendations

  1. Obtain and properly configure a valid SSL/TLS certificate to enable HTTPS across the site.
  2. Enable modern TLS protocols (TLS 1.2 and TLS 1.3) and disable deprecated versions.
  3. Implement OCSP stapling and session resumption to improve security and performance.
  4. Enhance HSTS policy to include subdomains and preload for stronger transport security.
  5. Establish clear incident response contacts and publish a vulnerability disclosure policy.
Technical notes

Notes

The website is built on Sitecore CMS and hosted via CSC Corporate Domains, Inc., with monitoring through Azure Application Insights and compliance managed by OneTrust. The site features rich, well-structured content with good mobile optimization and accessibility features. However, performance metrics indicate slow loading or missing data, suggesting potential optimization opportunities. The technical stack is modern but requires updates in SSL/TLS configuration to meet current security standards. SEO and metadata are well implemented, supporting good search visibility. Overall, the technical infrastructure is solid but needs security enhancements to reduce operational risks.
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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