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Security report for centogroup.com

Cento Intelligent Resource Solutions · Energy · United Kingdom

Medium risk. 6 critical or high findings in Security headers, GDPR outside view and 2 other checks.

Security score

55/100

Risk levelMedium

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

Cento Intelligent Resource Solutions is a specialized recruitment agency focused on the Building Services sector, including Fire and Security, HVAC, Mechanical and Electrical, and Lifts and Escalators. The company positions itself as a market leader with a strong reputation for delivering high-quality permanent and contract staffing solutions quickly and efficiently. Their business model centers on partnering with clients to provide tailored talent solutions that support business growth and operational success. The website reflects a professional and consistent brand image with comprehensive service descriptions and strong customer testimonials, indicating a mature market presence.

Scanned

NIS2 and GDPR posture

GDPR outside view
53/ 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

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 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. 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

    • 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

  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

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

Keep watching centogroup.com

This scan found 24 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
57
Security headers
55
Email security
70
DNS health
75
Network security
20
GDPR outside view
53
Average
55

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

The company targets businesses in the building services industry and candidates seeking career advancement within this sector. Their competitive advantage lies in their deep industry knowledge, rapid hiring capabilities, and long-term client retention. The presence of industry certifications such as ISO 9001 and memberships in relevant trade bodies enhances their credibility. The company operates primarily in the UK with a US presence, supported by multiple office locations. Their marketing ecosystem includes partnerships with design agencies and use of advanced digital marketing and tracking tools, indicating a strategic approach to client engagement and lead generation.

Security posture

The website employs HTTPS and integrates Google reCAPTCHA to protect forms, demonstrating basic security hygiene. However, the absence of visible security headers and cookie consent mechanisms suggests areas for improvement in security and privacy compliance. No vulnerabilities or exposed sensitive data were detected in the HTML content. The lack of a public incident response or vulnerability disclosure policy indicates a potential gap in security governance. Overall, the security posture is adequate for a recruitment website but could be enhanced to meet higher compliance standards such as GDPR fully.

Recommendations

  1. Implement comprehensive security headers including Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options to improve protection against common web attacks.
  2. Add a visible cookie consent banner and detailed cookie policy to ensure GDPR compliance and improve user trust.
  3. Publish an incident response and vulnerability disclosure policy to demonstrate security maturity and readiness.
  4. Regularly audit third-party scripts and tracking tools to minimize privacy risks and optimize performance.
  5. Verify and update WHOIS domain registration information to improve domain legitimacy and trustworthiness.

Contact details published on the site

Addresses
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Cento Intelligent Resource Solutions
Description
Cento is a recruitment and staffing company specializing in the Building Services sector, including Fire and Security, Mechanical and Electrical, HVAC, Lifts and Escalators. They provide permanent and contract talent solutions with a focus on quality and speed.
Key services
Permanent recruitment, Contract and temporary staffing, Sector-specific recruitment in building services
Content quality
good
Branding
consistent

Technology

Stack
Google Tag Manager, Google Analytics, reCAPTCHA, Oktopost tracking, Herefish, Webflow CMS, jQuery Owl Carousel, Fancybox, Google Maps API, Typekit fonts
Frameworks
Webflow
Platforms
Webflow hosting
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Use of Google reCAPTCHA on forms
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Google Analytics, ClickDimensions
Tracking level
moderate
Privacy practices
basic

Advertising

Tracking pixels
Oktopost
Marketing tools
MailerLite (commented out), Herefish
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 professional design
  2. No WAF or blocking mechanisms detected
  3. WHOIS data is missing or unavailable, which is unusual for an active commercial site
  4. Strong presence of customer testimonials and industry certifications
  5. Multiple contact methods clearly provided
  6. No explicit privacy or cookie consent banner detected, potential GDPR compliance gap
  7. Use of multiple third-party tracking and marketing tools
  8. No security headers detected in provided data, opportunity for improvement
Technical notes

Notes

The website is built on the Webflow platform, utilizing modern web technologies such as Google Tag Manager, Google Analytics, reCAPTCHA, and various marketing and tracking scripts. The site is mobile-optimized with good navigation and SEO practices. Performance is moderate, with potential for improvement by optimizing third-party script loading and implementing caching strategies. Accessibility is basic but could be enhanced to meet WCAG standards. The technical infrastructure supports the business goals effectively but should be regularly reviewed to address emerging security and privacy requirements.
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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