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Security report for yelp.fi

Yelp · Retail · Finland

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

Security score

76/100

Risk levelLow

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

Yelp.fi is the Finnish localized version of Yelp, a leading online platform providing user-generated reviews and business listings primarily for the Helsinki area. The website offers extensive content including business categories, user reviews, and search capabilities for local services. It targets consumers seeking trusted local business information and provides business owners with advertising and management tools. The platform is built on modern web technologies including React and is hosted on Amazon AWS infrastructure with CDN support. While the site demonstrates strong content quality, branding consistency, and good privacy compliance with GDPR, it suffers from an invalid SSL certificate and lacks support for modern TLS protocols, which impacts its security posture. Security headers and content security policies are implemented, but some CSP directives allow unsafe inline scripts, which could be improved. Overall, the site is professional and trustworthy but should address SSL and TLS issues to enhance security and user trust.

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

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

Keep watching yelp.fi

This scan found 12 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
50
Security headers
75
Email security
100
DNS health
70
Network security
100
GDPR outside view
58
Average
76

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 large-scale online directory and review platform with a well-established market position. Its business model revolves around user-generated content and monetization through advertising and business services. The Finnish site aligns with Yelp's global brand and offers localized content for Helsinki consumers. The platform leverages partnerships for business data and integrates multiple marketing and tracking tools. Its target audience includes local consumers and business owners. The site’s extensive category coverage and localized SEO efforts indicate a mature digital presence. The domain registration data is consistent with the business claims, supporting legitimacy. No suspicious patterns or privacy protection concerns were identified in the WHOIS data.

Security posture

The website employs several security best practices including HSTS with preload, X-Content-Type-Options, and a restrictive Content Security Policy. Cookies are set with Secure and HttpOnly flags. However, the SSL certificate is invalid or missing, and the server does not support modern TLS versions (TLS 1.2 or 1.3), which is a critical security gap. OCSP stapling and session resumption are not enabled, potentially affecting performance and security. The CSP allows 'unsafe-inline' and 'unsafe-eval' for scripts, which could expose the site to cross-site scripting risks. No known vulnerabilities such as Heartbleed or POODLE were detected. Overall, the security posture is moderate but requires urgent SSL/TLS remediation.

Recommendations

  1. Obtain and deploy a valid SSL certificate to enable proper HTTPS and TLS 1.2/1.3 support.
  2. Enable OCSP stapling and session resumption to improve SSL performance and security.
  3. Tighten Content Security Policy by removing 'unsafe-inline' and 'unsafe-eval' script directives.
  4. Regularly audit third-party scripts and dependencies to avoid vulnerable libraries.
  5. Enhance transparency by publishing a dedicated security policy and incident response contact information.
Technical notes

Notes

The website is built using React framework and served via Envoy proxy behind Amazon CloudFront CDN, indicating a modern and scalable infrastructure. It uses multiple CSS and JS modules loaded asynchronously for performance. The site includes accessibility and SEO optimizations such as proper meta tags, Open Graph data, and structured JSON-LD schema for WebSite. However, performance metrics indicate slow loading, possibly due to large resource sizes or network latency. Mobile optimization and accessibility are rated good, with responsive design and ARIA roles present. The site uses OneTrust for cookie consent management and integrates Google Analytics and DataDome for analytics and bot protection. Technical debt is minimal but SSL/TLS issues and CSP weaknesses present risks to business operations and user trust.
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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