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Security report for i-acs.co.uk

iACS · Manufacturing · United Kingdom

Medium risk. 8 critical or high findings in SSL/TLS, GDPR outside view and 1 other check.

Security score

58/100

Risk levelMedium

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

iACS is a UK-based specialist company providing advanced HVAC control solutions including Air Handling Unit (AHU) controls, Fan Coil Unit controls, Heat Recovery Systems, Smoke Extract controls, and Retrofit solutions. The company targets commercial and industrial sectors, offering custom panel solutions, integrated automation, and training services. Their market position is supported by over 40 years of experience and thousands of successful projects, positioning them as a trusted provider in the HVAC controls industry. Technically, the website is built on the Odoo CMS platform, utilizing modern web technologies such as Bootstrap, FontAwesome, Google Fonts, and embedded multimedia content including YouTube videos and Google Maps. The site is mobile-optimized, accessible, and SEO-friendly, with moderate performance. Analytics tools like Google Tag Manager and Plausible Analytics are employed for user tracking. From a security perspective, the site uses HTTPS and includes CSRF tokens in scripts, but lacks visible security headers and explicit privacy or cookie policies. No forms are present on the main page, reducing immediate input risks. WHOIS data for the subdomain is unavailable due to Nominet UK naming rules, but the main domain appears legitimate. Overall, the security posture is moderate with room for improvement in policy transparency and header implementation. The overall risk is low given the professional presentation and clear contact information, but the absence of privacy and cookie policies and missing security headers are notable gaps. Strategic recommendations include adding comprehensive privacy and cookie policies, implementing security headers, and publishing incident response and vulnerability disclosure information to enhance trust and compliance.

Scanned

NIS2 and GDPR posture

GDPR outside view
35/ 100 · High
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

8 findings rated critical or high. Fix these first.

  1. 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

  2. GDPR outside view

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

    • 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

    • High

      Third-party services without privacy policy

      Detected services: Google Analytics, Facebook, LinkedIn, YouTube

      What to do: Document all third-party data sharing in your privacy policy

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

Keep watching i-acs.co.uk

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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
47
Security headers
25
Email security
75
DNS health
65
Network security
100
GDPR outside view
35
Average
58

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

iACS operates in the HVAC manufacturing sector, focusing on control systems for ventilation and air handling applications. Their competitive advantage lies in deep domain expertise, a broad portfolio of control solutions, and a strong track record of project delivery. The business model combines product sales, custom engineering, software development, and training services. Revenue streams likely include hardware sales, software licensing, commissioning services, and training fees. Target customers are building owners, consultants, contractors, and facilities management teams in commercial and industrial markets. Growth indicators include a large number of delivered projects and global component supply. The company maintains an active social media presence and a professional website, supporting brand visibility and customer engagement. No explicit partnerships or subsidiaries were identified from the data.

Security posture

The website demonstrates a moderate security maturity level. HTTPS is enabled, and CSRF tokens are present in scripts, indicating awareness of common web security practices. However, the absence of key security headers such as Content Security Policy (CSP), HTTP Strict Transport Security (HSTS), and X-Frame-Options reduces protection against common web attacks. No privacy or cookie policies are visible, which is a compliance gap under GDPR. There is no published incident response or vulnerability disclosure information, limiting transparency and readiness. No vulnerabilities or exposed sensitive data were detected in the HTML content. Overall, the security posture is functional but could be significantly improved by adopting best practices in headers, policies, and incident management.

Recommendations

  1. Implement and publish a comprehensive privacy policy and cookie policy with clear GDPR compliance statements.
  2. Add essential security headers including CSP, HSTS, X-Frame-Options, and X-Content-Type-Options to enhance protection.
  3. Publish an incident response plan and vulnerability disclosure policy to improve transparency and security culture.
  4. Ensure all forms and data collection points use secure input validation and encryption.
  5. Regularly audit and update third-party scripts and analytics tools to minimize vulnerabilities.

Contact details published on the site

Addresses
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
iACS
Description
UK HVAC specialists delivering AHU controls, Fan Coil Unit controls, Heat Recovery Systems, Smoke Extract controls and HVAC Retrofit solutions.
Key services
AHU controls, Fan Coil Unit controls, Heat Recovery Systems, Smoke Extract controls, HVAC Retrofit solutions, Production, Installation, Commissioning, Software Development, Training Academy
Content quality
excellent
Branding
consistent

Technology

Stack
Odoo CMS, FontAwesome, Bootstrap, Google Fonts, YouTube embedded videos, Google Maps iframe, Firebase (for push notifications), Google Tag Manager, Plausible Analytics
Frameworks
Odoo
Platforms
Web
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
65/100
Good practices seen
  • CSRF token present in JavaScript
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Google Analytics (via GTM), Plausible Analytics
Tracking level
moderate
Privacy practices
poor

Advertising

Tracking pixels
Plausible Analytics
Marketing tools
Plausible Analytics
Transparency
basic

Site quality

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

Key observations

  1. Website is fully accessible with no blocking or WAF challenge.
  2. Content is professionally presented with clear navigation and rich information about HVAC control solutions.
  3. No privacy, cookie, or terms of service policies were found on the main page.
  4. Contact information is clearly provided in the footer including email, phone, and physical address.
  5. Social media presence includes LinkedIn, Instagram, Facebook, and TikTok.
  6. Website uses Odoo CMS with modern frontend technologies and embedded multimedia content.
  7. No explicit security headers detected in the HTML source.
  8. Google Tag Manager and Plausible Analytics are used for tracking with default consent set to denied but then updated to granted via script.
  9. No forms detected on the main page; contact likely via links or appointment booking page.
  10. WHOIS data for the subdomain is unavailable due to Nominet UK naming rules; domain is a subdomain of i-acs.co.uk.
Technical notes

Notes

The website is built on the Odoo CMS platform, leveraging modern frontend technologies such as Bootstrap and FontAwesome for responsive design and iconography. Embedded YouTube videos and Google Maps enhance user engagement and provide rich media content. The site uses Google Tag Manager and Plausible Analytics for tracking, with scripts loaded asynchronously to optimize performance. Mobile optimization and accessibility features are well implemented, contributing to a positive user experience. However, the lack of visible security headers and privacy policies indicates technical debt in security and compliance areas. Hosting details are not explicitly identified, and performance is moderate, suggesting potential for optimization. Overall, the technical infrastructure supports the business needs but requires enhancements in security and privacy compliance.
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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