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Security report for rennieproperty.co.za

Rennie Knight Frank · Real Estate · South Africa

High risk. 8 critical or high findings in Network security, Security headers and 2 other checks.

Security score

45/100

Risk levelHigh

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

Rennie Knight Frank is a well-established South African commercial real estate company founded in 1997, specializing in brokerage, property management, consulting, and research services across commercial, retail, industrial, and residential sectors. The company targets businesses and investors seeking property solutions primarily in South Africa, with a strong presence in Cape Town and Johannesburg. Their website reflects a professional and credible market position with clear service offerings and client engagement channels. Technically, the website employs modern front-end technologies including Materialize CSS and jQuery, integrated with Google Tag Manager for analytics and event tracking. The site is mobile-optimized and provides a good user experience with clear navigation and search functionalities. However, some technical improvements could enhance performance and security, such as implementing security headers and cookie consent mechanisms. From a security perspective, the site uses HTTPS and validates form inputs, but lacks explicit security headers and a published security policy or incident response contacts. The WHOIS data is unavailable or privacy protected, which is common but slightly reduces transparency. No critical vulnerabilities or malicious indicators were found, but privacy compliance could be improved. Overall, the website is a solid digital asset for Rennie Knight Frank, supporting their business credibility and customer engagement. Strategic improvements in security and privacy compliance would further strengthen their risk posture and trustworthiness.

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

8 findings rated critical or high. Fix these first.

  1. Network security

    Services reachable from the internet are the first thing attackers probe. Anything open that does not need to be should be closed.

    • Critical

      Critical Service Exposed: MySQL

      Port 3306 (MySQL) is publicly accessible - MySQL - Database server

      What to do: Immediately restrict access to MySQL using firewall or VPN

      • NIS2 21(2)(e)
      • IR 2024/2690 6.7.2(f): Implementing Regulation (EU) 2024/2690, Annex point 6.7.2(f): Network security
      • NIST CM-7: NIST SP 800-53 Rev. 5 CM-7: Least Functionality
      • NIST SC-7: NIST SP 800-53 Rev. 5 SC-7: Boundary Protection

  2. 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';…

  3. 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

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

Keep watching rennieproperty.co.za

This scan found 29 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.

Daily monitoring

Recommended

€25per month

  • 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
20
Email security
60
DNS health
65
Network security
0
GDPR outside view
53
Average
45

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 · found on this site
  • 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

Breach exposure

Leaked credentials and lookalike domains from OffSeq Breach. The counts are free; the detailed lists are paid add-ons.

Dark web exposure

Add-on

Leaked records that mention rennieproperty.co.za, from OffSeq Breach.

Total records
2
Employees
0
Customers
0
Third parties
2
Weak passwords
0%

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Technical appendix

Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.

Business context

Business profile

Rennie Knight Frank operates in the South African real estate market with a focus on commercial, retail, industrial, and residential property services. Their business model centers on brokerage, tenant and landlord services, property management, and market research. The company leverages local expertise combined with global knowledge to serve property entrepreneurs and investors. Their partnership with Knight Frank South Africa enhances their market reach, especially in residential property. The website's content and structure indicate a medium-sized enterprise with a professional brand image and a clear target audience of business clients and investors. The presence of multiple contact points and subscription services suggests active client engagement and lead generation strategies. The company appears well-positioned in its niche with a credible reputation and a comprehensive service portfolio.

Security posture

The website demonstrates a moderate security maturity level with HTTPS enforced and input validation on forms, reducing common attack vectors. However, the absence of key security headers such as Content-Security-Policy and Strict-Transport-Security limits protection against certain web-based attacks. No security or incident response policies are published, and no dedicated security contact channels are provided. The lack of a cookie consent mechanism indicates partial privacy compliance, which could expose the company to regulatory risks. The use of third-party scripts like Google Tag Manager is standard but requires ongoing monitoring for vulnerabilities. Overall, the security posture is adequate for a commercial website but would benefit from enhancements in header security, privacy compliance, and transparency around incident response.

Recommendations

  1. Implement security headers including Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security to enhance web security.
  2. Add a cookie consent banner and privacy compliance mechanisms to align with GDPR and other privacy regulations.
  3. Publish a security policy and provide clear incident response contact information to improve transparency and trust.
  4. Regularly audit and update third-party scripts and libraries to mitigate vulnerabilities.
  5. Consider WHOIS data transparency improvements or justification statements to enhance domain trustworthiness.

Contact details published on the site

Addresses
Legal name
Rennie Knight Frank
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Rennie Knight Frank
Description
Established in Cape Town in 1997, Rennie Knight Frank has become a credible brand in the South African commercial property market. An innovative team, which first established itself as a boutique property manager, swiftly cultivated the trust of some of the most successful property entrepreneurs in South Africa. Additional services in consulting, brokerage and research has since enabled our team to provide expertise across all aspects of property. We're proud to have worked so closely with our clients in assisting them to achieve their success.
Key services
Broking: Tenant Services, Broking: Landlord Strategy and Solutions, Occupier Strategy and Solutions, Property Management: Office, Retail, Industrial, Sectional Title & Property Owner Association Management, Research and Advisory
Content quality
good
Branding
consistent

Technology

Stack
Google Tag Manager, jQuery, Materialize CSS, TokenInput jQuery plugin
Frameworks
Materialize
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
70/100
Good practices seen
  • HTTPS enforced
  • Input validation on forms
  • No exposed sensitive data in HTML
  • Use of Google Tag Manager for analytics

Analytics and tracking

Services
Google Tag Manager
Tracking level
moderate
Privacy practices
basic

Advertising

Transparency
basic

Site quality

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

Key observations

  1. Website is fully accessible with no blocking or WAF challenge
  2. Professional real estate business website with comprehensive service offerings
  3. Multiple contact methods including phone numbers and contact forms with validation
  4. No explicit privacy or cookie consent banners detected
  5. Use of modern front-end frameworks and analytics tools
  6. WHOIS data is unavailable, indicating privacy protection or registry limitations
  7. No security.txt or vulnerability disclosure policy found
  8. No explicit security headers detected in HTML content
  9. Social media presence on LinkedIn, Facebook, and Twitter
Technical notes

Notes

The website uses a modern front-end stack with Materialize CSS framework and jQuery, providing responsive design and interactive UI components. Google Tag Manager is integrated for analytics and event tracking, supporting marketing and user behavior insights. The site includes multiple forms with client-side validation to capture leads and inquiries. Performance is moderate with preloaded fonts and optimized images, though no explicit performance metrics are available. Accessibility features are basic but present, with semantic HTML and responsive layouts. SEO is supported by meta tags, Open Graph data, and structured JSON-LD schema for organization details. No CMS or hosting provider information is directly detectable from the HTML content. Overall, the technical implementation is solid but could be enhanced with improved security headers and privacy features.
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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