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Security report for yelp.com.au

Yelp · Retail · Australia

Low risk. 2 critical or high findings in GDPR outside view and DNS health.

Security score

81/100

Risk levelLow

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

Yelp is a well-established enterprise-level online platform specializing in local business reviews and recommendations, targeting consumers seeking trusted information about restaurants, services, and entertainment. The website leverages modern React technology and is hosted on a robust AWS CloudFront infrastructure, ensuring scalability and global reach. While the site demonstrates good content quality, clear navigation, and mobile optimization, the SSL certificate is currently invalid or missing, which poses a significant security risk. Security headers are properly configured, but enhancements such as OCSP stapling and session resumption are recommended. Privacy and cookie policies are present, though GDPR compliance is limited, reflecting the Australian market focus. Overall, Yelp maintains a strong business credibility and technical foundation but should prioritize resolving SSL issues and enhancing privacy compliance to improve trust and security posture.

Scanned

NIS2 and GDPR posture

GDPR outside view
58/ 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

2 findings rated critical or high. Fix these first.

  1. 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

  2. DNS health

    DNS sends visitors and email to the right servers. Misconfigured records can cause outages or let someone redirect your traffic.

    • High

      Unregistered MX Record

      MX record points to unregistered domain: corpmx.yelpcorp.com

      What to do: Remove or fix MX record pointing to unregistered domain

      • RFC 5321 §5.1
      • NIS2 21(2)(i)
      • IR 2024/2690 12.4: Implementing Regulation (EU) 2024/2690, Annex point 12.4: Asset inventory
      • NIST CM-8: NIST SP 800-53 Rev. 5 CM-8: System Component Inventory

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Keep watching yelp.com.au

This scan found 13 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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  • 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
90
Security headers
75
Email security
100
DNS health
60
Network security
100
GDPR outside view
58
Average
81

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

Yelp operates as a leading local business directory and review platform with a diversified business model including user-generated content, business advertising, and marketing services. Its market position is strong globally, supported by a consistent brand and extensive category coverage. The platform targets consumers and local businesses, offering tools for business claim management and advertising. Partnerships with corporate entities like yelpcorp.com support domain and mail infrastructure. The business model relies on high user engagement and data-driven advertising, with growth potential in AI-driven insights and B2B data products. The website content and structure reflect a mature digital presence with good SEO and user experience.

Security posture

The website exhibits a moderate security maturity level with key security headers such as HSTS, CSP, and X-Frame-Options implemented. However, the absence of a valid SSL certificate critically undermines the security posture, exposing users to potential man-in-the-middle attacks. No known vulnerabilities or malware indicators were detected. Privacy policies and cookie consent mechanisms are in place but lack full GDPR compliance. Incident response and vulnerability disclosure policies are not publicly visible, indicating room for improvement in transparency and readiness. Recommendations include immediate SSL certificate renewal, enabling OCSP stapling, and publishing clear security and incident response policies.

Recommendations

  1. Renew and maintain a valid SSL/TLS certificate to ensure secure HTTPS connections.
  2. Implement OCSP stapling and session resumption to improve SSL performance and security.
  3. Enhance privacy compliance by aligning policies with GDPR and other relevant regulations.
  4. Publish explicit security and incident response policies including contact channels for abuse reporting.
  5. Conduct regular security audits and update security headers and practices accordingly.
Technical notes

Notes

The website uses a modern React-based frontend with ES modules and various JavaScript libraries such as Lottie Web and Immutable.js, indicating a contemporary tech stack. Hosting is via Amazon CloudFront CDN, providing global content delivery. The site is mobile-optimized with responsive design and accessibility features at a basic level. SEO is well addressed with proper meta tags, Open Graph data, and structured JSON-LD schema. Performance metrics were not available, but the use of CDN and modern frameworks suggests moderate to good performance. Technical risks include the invalid SSL certificate and potential technical debt in accessibility and privacy compliance areas.
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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