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Security report for yelp.com

Yelp · Media · Finland

Low risk. 2 critical or high findings in SSL/TLS and DNS health.

Security score

86/100

Risk levelLow

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

Yelp is a globally recognized online platform specializing in local business reviews and recommendations, with this website serving the Helsinki, Finland market. It offers users access to reviews and information on restaurants, healthcare providers, nightlife, and various services. The platform targets a broad general audience seeking trusted local business insights. Technically, the site employs a modern React-based frontend, hosted likely on AWS infrastructure, with strong SEO, accessibility, and mobile optimization. Security posture is robust, featuring HTTPS, comprehensive security headers, and cookie consent mechanisms compliant with GDPR. No critical vulnerabilities or suspicious content were detected, indicating a mature security and privacy framework. Overall, Yelp's Helsinki site demonstrates a high level of professionalism, trustworthiness, and compliance, supporting its position as a leading local business review platform.

Scanned

NIS2 and GDPR posture

GDPR outside view
100/ 100 · Low
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. 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

  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.com

This scan found 11 issues across 4 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
75
Email security
100
DNS health
70
Network security
100
GDPR outside view
100
Average
86

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 a well-established business model centered on user-generated content and local business advertising. Its market position is strong, leveraging brand recognition and extensive user engagement. Revenue streams likely include advertising and premium business services. The Helsinki localized site reflects Yelp's global expansion strategy, adapting content and language to regional markets. The company maintains a consistent brand presence and integrates with multiple social media platforms to enhance reach. No direct contact information is provided on this page, consistent with Yelp's centralized support model. The platform's ecosystem includes partnerships with various service providers for analytics and cookie compliance, ensuring regulatory adherence and data-driven insights.

Security posture

The website exhibits a mature security posture with enforced HTTPS, modern security headers, and integration of a cookie consent management system (OneTrust). Use of DataDome indicates protection against automated threats and bot traffic. No exposed sensitive data or vulnerable libraries were identified in the analyzed content. However, no explicit security or incident response policies are published on this page, which is common for consumer-facing platforms. The absence of direct security contact channels suggests centralized handling of security incidents. Overall, the site aligns well with industry best practices for web security and privacy compliance.

Recommendations

  1. Publish a dedicated security policy and incident response contact information to enhance transparency.
  2. Regularly audit and update third-party libraries to mitigate emerging vulnerabilities.
  3. Enhance accessibility features further to meet WCAG 2.1 AA standards comprehensively.
  4. Consider providing localized contact information or support channels for regional users.
  5. Maintain continuous monitoring of privacy compliance as regulations evolve.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Yelp
Description
Yelp provides user reviews and recommendations for restaurants, shopping, nightlife, entertainment, services, and more in Helsinki.
Key services
User reviews, Business listings, Local search
Content quality
excellent
Branding
consistent

Technology

Stack
React, JavaScript, CSS, HTML5
Frameworks
React
Platforms
Web
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
90/100
Good practices seen
  • HTTPS enforced
  • Cookie consent banner
  • No exposed sensitive data in HTML
  • Use of security headers

Analytics and tracking

Services
Google Analytics, DataDome
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
DataDome
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 a localized version of Yelp for Helsinki, Finland.
  2. Content is rich with user reviews and business listings.
  3. Strong privacy and cookie compliance with OneTrust integration.
  4. Modern React-based frontend with good SEO and accessibility.
  5. No suspicious or malicious content detected.
  6. No direct company contact emails or phone numbers found on the page.
  7. Security headers and HTTPS are properly implemented.
Technical notes

Notes

The website uses a modern React framework with modular JavaScript and CSS assets served via a CDN, ensuring fast load times and scalability. The presence of structured data (JSON-LD) improves SEO and content discoverability. Hosting appears to be on a reliable cloud provider, inferred from asset URLs. The site is mobile-optimized with responsive design and accessibility considerations. Cookie consent is managed via OneTrust, indicating compliance with GDPR and other privacy laws. No CMS was detected, suggesting a custom-built platform tailored for Yelp's needs. Overall, the technical infrastructure supports a high-quality user experience with minimal technical debt.
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

Earlier scans of this domain

  1. 82/100 +6Low21 findingsView report
  2. 76/100Low20 findingsView report
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