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Security report for groupon.fr

Groupon · E-commerce · France

Low risk. 2 critical or high findings in Security headers and SSL/TLS.

Security score

81/100

Risk levelLow

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

Groupon France operates as a localized e-commerce platform offering consumers discounted deals on a wide range of services including wellness, travel, shopping, and dining. The website is well-branded and targets French consumers with localized content and offers. Technically, the site employs modern JavaScript frameworks such as React and uses industry-standard analytics and fraud prevention tools like Google Analytics, Signifyd, and Riskified. Security posture is strong with HTTPS enforced, security headers present, and anti-fraud mechanisms integrated. Privacy compliance is evident through comprehensive privacy and cookie policies with consent mechanisms, aligning with GDPR requirements. However, the absence of publicly available WHOIS data due to privacy protection slightly reduces transparency but is justified for a large e-commerce entity. Overall, the site presents a professional, trustworthy, and secure platform for consumers seeking deals in France.

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. 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 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. 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 groupon.fr

This scan found 16 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

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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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Prices incl. 21% VAT. Secure checkout by Mollie; sold by SEQ SIA, Latvia.

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
54
Security headers
45
Email security
100
DNS health
85
Network security
100
GDPR outside view
100
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

Groupon France is positioned as a major player in the French e-commerce discount market, leveraging its global brand and local partnerships. The business model centers on aggregating deals from local merchants and offering them to consumers at discounted rates, generating revenue through commissions and promotions. The company benefits from a broad partnership ecosystem across multiple countries, enhancing its market reach. The platform's focus on user experience, mobile optimization, and trust signals such as user reviews and official app downloads supports customer retention and growth. The lack of direct contact information on the homepage suggests a focus on digital self-service and automated support channels.

Security posture

The website demonstrates a mature security posture with enforced HTTPS, comprehensive security headers, and integration of anti-fraud services like Signifyd and Riskified. The use of Google reCAPTCHA helps mitigate automated abuse. Privacy and cookie consent mechanisms are implemented in compliance with GDPR. However, the absence of a publicly accessible security policy, incident response contacts, or vulnerability disclosure program indicates areas for improvement in transparency and incident management readiness. No obvious vulnerabilities or exposed sensitive data were detected in the analysis.

Recommendations

  1. Publish a dedicated security policy page including incident response procedures and contacts.
  2. Implement and publicize a vulnerability disclosure program or security.txt file to encourage responsible reporting.
  3. Enhance visibility of data protection officer contact information to improve GDPR transparency.
  4. Regularly review and audit third-party scripts to minimize risk from external dependencies.
  5. Consider adding clear company contact information for security and privacy inquiries to build trust.

Contact details published on the site

Addresses
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Groupon
Description
Groupon France offers deals and discounts on activities, travel, shopping, beauty, and restaurants primarily targeting French consumers.
Key services
Discount deals, Vouchers, Local activities, Travel offers, Shopping deals
Content quality
good
Branding
consistent

Technology

Stack
JavaScript, React, Hogan.js, Underscore.js, Modernizr, Google Tag Manager, Google reCAPTCHA, Signifyd, Riskified
Frameworks
React
Platforms
Web
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Use of reCAPTCHA
  • Use of fraud detection scripts (Signifyd, Riskified)
  • Cookie consent banner

Analytics and tracking

Services
Google Analytics, Optimize Suite
Tracking level
moderate
Privacy practices
good

Advertising

Ad networks
Google Ad Manager, Freestar (disabled)
Tracking pixels
Signifyd, Riskified
Marketing tools
Optimize Suite
Transparency
good

Site quality

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

Key observations

  1. Website is fully accessible with rich content and deals.
  2. No WHOIS data available publicly, indicating privacy protection.
  3. Strong use of modern web technologies and security best practices.
  4. Comprehensive privacy and cookie policies with consent mechanisms.
  5. No direct contact emails or phone numbers found on homepage.
  6. Multiple external domains related to analytics, ads, and fraud prevention.
  7. No adult or questionable content detected.
  8. Good SEO and accessibility features observed.
Technical notes

Notes

The website uses a modern tech stack centered on React and supporting libraries such as Hogan.js and Underscore.js. It leverages Google Tag Manager and Optimize Suite for analytics and A/B testing. Performance is moderate with preloading and lazy loading techniques employed. Accessibility features such as ARIA labels and keyboard navigation aids are present. The site is mobile optimized with responsive design. Hosting details are not explicitly identified but content delivery networks (CDNs) are used for static assets. The technical implementation supports a robust and scalable e-commerce platform but could benefit from additional transparency on backend infrastructure and security controls.
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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