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Security report for rightmove.co.uk

Rightmove · Real Estate · United Kingdom

Medium risk. 6 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

67/100

Risk levelMedium

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

Rightmove is the UK's leading online property portal, offering a comprehensive platform for buying, renting, and valuing properties. The website provides extensive listings including residential, commercial, and overseas properties, supported by property news and guides. It targets UK property buyers, renters, investors, and estate agents, positioning itself as a market leader in the real estate sector. Technically, the website employs modern web technologies including JavaScript, Google Tag Manager for analytics, and OneTrust for cookie consent management. The site is well optimized for both desktop and mobile users, featuring responsive design and accessibility considerations. Performance appears fast with efficient content delivery. From a security perspective, the site uses HTTPS and implements cookie consent mechanisms, but lacks explicit security headers and publicly available security policies or incident response contacts. The absence of WHOIS data due to domain naming rules error is unusual but does not detract significantly from the site's legitimacy given its market presence and content quality. Overall, Rightmove demonstrates a mature digital presence with strong business credibility and user experience. However, improvements in transparency around privacy policies, security disclosures, and WHOIS data would enhance trust and compliance posture.

Scanned

NIS2 and GDPR posture

GDPR outside view
68/ 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 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. GDPR outside view

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

    • 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 rightmove.co.uk

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
62
Security headers
15
Email security
85
DNS health
70
Network security
100
GDPR outside view
68
Average
67

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

Breach exposure

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

Brand lookalikes

Add-on

Domains that imitate rightmove.co.uk and could be used for phishing or spoofed email, tracked in OffSeq Breach.

Tracked
49
Registered
49
Resolving
49
High or critical
0

Last checked 2026-06-20

Masked preview

  • ri•••••••.co.ukMediumbitsquatting
  • ri•••••••.co.ukMediumhomoglyph
  • ri••••••••.co.ukMediumhomoglyph

See the full lookalike list

A one-off add-on that lists up to 20 of the highest-risk lookalikes of rightmove.co.uk with registration, mail-server, certificate and DNS signals.

Select it in the checkout above.

Lookalike data refreshes continuously. Monitoring on Breach alerts you when a variant is registered, gains a mail server or starts serving HTTPS.

Open in Breach(opens in a new tab)Monitor on Breach(opens in a new tab)

Technical appendix

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

Business context

Business profile

Rightmove operates as an essential entity in the UK real estate market, providing a digital marketplace that connects property buyers, renters, and sellers with estate agents. Its business model revolves around listing properties for sale and rent, offering valuation services, and providing market insights through news and guides. The company leverages advertising and lead generation as revenue streams. Its competitive advantage lies in its extensive property database and brand recognition as the UK's number one property website. The platform supports a broad customer base including individual consumers and professional estate agents, indicating a large-scale operation with significant market penetration.

Security posture

The website exhibits a good security maturity level with mandatory HTTPS encryption and cookie consent compliance. However, the lack of visible security headers such as Content-Security-Policy, X-Frame-Options, and others suggests room for improvement in defense-in-depth strategies. No vulnerabilities or exposed sensitive data were detected in the analyzed content. The absence of a published security policy, incident response contacts, or vulnerability disclosure program indicates gaps in transparency and readiness. Compliance with GDPR is partially indicated by cookie consent but lacks explicit privacy policy linkage. Overall, the security posture is solid but could be enhanced by adopting best practices in security headers and public security documentation.

Recommendations

  1. Implement and publish comprehensive privacy and terms of service policies with clear URLs accessible from the homepage and footer.
  2. Add standard security headers (Content-Security-Policy, X-Frame-Options, X-Content-Type-Options) to improve protection against common web attacks.
  3. Publish a security policy and incident response contact information to improve transparency and trust.
  4. Establish a vulnerability disclosure program or security.txt file to encourage responsible reporting of security issues.
  5. Include explicit business contact information such as company emails and phone numbers to enhance credibility and user support.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Rightmove
Description
UK's number one property website for properties for sale and to rent
Key services
Property for sale listings, Property to rent listings, New homes for sale, Property valuation services, Estate agent finder, Commercial property listings, Property news and guides
Content quality
excellent
Branding
consistent

Technology

Stack
JavaScript, Google Tag Manager, OneTrust Cookie Consent, Custom fonts (Effra), SVG graphics
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent mechanism
  • Session ID cookie with domain and max-age set

Analytics and tracking

Services
Google Analytics (via GTM)
Tracking level
extensive
Privacy practices
basic

Advertising

Ad networks
ScorecardResearch
Marketing tools
OneTrust Cookie Consent
Transparency
good

Site quality

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

Key observations

  1. Website is fully accessible with rich content and navigation
  2. No WHOIS data available due to domain naming rules error
  3. Strong use of modern web technologies and tracking tools
  4. Cookie consent and GDPR compliance mechanisms present
  5. No explicit contact or privacy policy URLs found in provided HTML snippet
  6. No security.txt or vulnerability disclosure found
  7. No explicit business contact emails or phone numbers found in HTML
  8. No social media links explicitly found in provided HTML snippet
  9. Website is well optimized for mobile and desktop
  10. No adult or questionable content detected
Technical notes

Notes

The website uses a modern JavaScript-based front end with custom fonts and SVG graphics for branding. It integrates Google Tag Manager for analytics and OneTrust for cookie consent management, indicating compliance with privacy regulations. The site is mobile-optimized with responsive navigation and accessible design features. Performance is optimized with asynchronous script loading and efficient image usage. No CMS or hosting provider details were explicitly detected. The technical infrastructure supports a fast, user-friendly experience but could benefit from enhanced security header implementation and more explicit metadata for SEO and accessibility.
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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