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Security report for penlon.com

Penlon ltd · Medical devices · United kingdom

Medium risk. 4 critical or high findings in Security headers and SSL/TLS.

Security score

70/100

Risk levelMedium

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

Scanned

NIS2 and GDPR posture

GDPR outside view
100/ 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

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 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

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

Keep watching penlon.com

This scan found 24 issues across 5 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
72
Security headers
15
Email security
55
DNS health
75
Network security
100
GDPR outside view
100
Average
70

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

Penlon operates in the healthcare manufacturing sector with a focus on medical devices for anaesthesia and related clinical applications. Its competitive advantages include a long-standing history, multiple prestigious awards, and a broad international market reach. The business model centers on manufacturing and distributing high-quality medical equipment to hospitals and healthcare providers globally. Revenue streams likely derive from product sales and service contracts. The target customers are healthcare professionals and institutions requiring reliable anaesthesia and monitoring solutions. Growth indicators include new product launches and participation in industry events. The company maintains partnerships with agencies such as Affinity for digital presence and leverages marketing tools like HubSpot. Strategic observations suggest a mature company with a solid brand reputation and a focus on innovation and customer trust.

Security posture

The website demonstrates a mature security posture with mandatory HTTPS encryption and a cookie consent mechanism aligned with GDPR requirements. The use of nonce tokens in forms indicates attention to input security. However, the absence of key security headers such as Content Security Policy (CSP), HTTP Strict Transport Security (HSTS), and X-Frame-Options represents an area for improvement. No exposed sensitive data or vulnerable libraries were identified. The lack of a published security policy or incident response contact limits transparency and preparedness perception. Overall, the security maturity is good but could be enhanced by adopting additional HTTP security headers and publishing formal security documentation.

Recommendations

  1. Implement comprehensive HTTP security headers including CSP, HSTS, X-Frame-Options, and X-XSS-Protection to strengthen defense against common web attacks.
  2. Publish a clear security policy and incident response plan on the website to improve transparency and readiness.
  3. Regularly audit and update third-party scripts and plugins to mitigate potential vulnerabilities.
  4. Clarify domain WHOIS information or ensure privacy protection is justified and transparent to reduce trust concerns.
  5. Enhance accessibility features to improve compliance and user experience for all visitors.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Penlon
Description
Penlon is a long established medical device company, based near Oxford, in the UK. Our key areas of business are: Anaesthesia delivery; Airway Management; Suction Control and Oxygen Therapy.
Key services
Anaesthesia delivery, Airway Management, Suction Control, Oxygen Therapy, Endoscopy products, MRI compatible products, Patient monitors, Veterinary products
Content quality
excellent
Branding
consistent

Technology

Stack
WordPress 6.8.1, WooCommerce 9.9.3, jQuery 3.7.1, Google Tag Manager, Google Analytics, Yoast SEO plugin, Formidable Forms plugin, WooCommerce Request a Quote plugin, Civic Cookie Control
Frameworks
WordPress
Platforms
Web
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent mechanism implemented
  • No exposed sensitive data in HTML
  • Use of nonce tokens in forms

Analytics and tracking

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

Advertising

Tracking pixels
HubSpot
Marketing tools
HubSpot collected forms
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 medical device manufacturing.
  3. Clear contact information and multiple trust signals present.
  4. No signs of malware or phishing detected.
  5. Cookie consent and privacy policies are implemented and accessible.
  6. WHOIS data is missing or unavailable, which is a minor concern.
  7. No explicit security policy or incident response information found.
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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penlon.com security report: 70/100, medium risk | Guard