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Security report for thrifty.ie

Thrifty Car Rental · Transportation · Ireland

Medium risk. 3 critical or high findings in Security headers and SSL/TLS.

Security score

75/100

Risk levelMedium

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

Thrifty Car Rental operates a professional and user-friendly website focused on providing car rental services primarily in Ireland with global reach. The company offers a broad range of vehicles and emphasizes competitive pricing and convenience. The website integrates modern technologies such as jQuery, Bootstrap, and Google Tag Manager, supporting a responsive and accessible user experience. Privacy and cookie policies are clearly presented with a consent mechanism, reflecting compliance with GDPR standards. However, the absence of WHOIS data limits the ability to fully verify domain legitimacy. Security practices are generally sound with HTTPS and CSRF protections, though additional security headers could enhance the posture. Overall, the site represents a credible and established business in the transportation sector with room for technical and security improvements.

Scanned

NIS2 and GDPR posture

GDPR outside view
88/ 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

3 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 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. 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 thrifty.ie

This scan found 19 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
77
Security headers
30
Email security
70
DNS health
85
Network security
100
GDPR outside view
88
Average
75

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

Thrifty Car Rental is positioned as a major player in the car rental market, leveraging its parent company DTG Operations, Inc. The business model centers on online bookings and customer self-service for rental management. The company targets travelers requiring rental vehicles in Ireland and internationally, offering a variety of vehicle classes and promotional options. The website's integration with partner domains like Hertz and Dollar indicates a strong partnership ecosystem. The presence of multiple location-specific domains suggests a global footprint. The company maintains a professional brand image and provides comprehensive customer support channels, though direct contact emails are not prominently displayed. Growth potential is supported by digital marketing and analytics tools.

Security posture

The website demonstrates a mature security posture with enforced HTTPS, CSRF tokens in forms, and a robust cookie consent framework. The use of third-party scripts is managed, but the lack of explicit security headers such as Content Security Policy and HSTS is a notable gap. No vulnerabilities or exposed sensitive data were detected in the analyzed content. Incident response and security policy information are not publicly available, which could be improved to enhance transparency and readiness. Overall, the security measures are adequate for the business type but could benefit from formalized policies and additional technical controls.

Recommendations

  1. Implement and enforce security headers including CSP, HSTS, and X-Frame-Options to mitigate common web attacks.
  2. Publish a dedicated security policy and incident response contact information to improve transparency and customer trust.
  3. Enhance accessibility features to meet higher standards and improve user experience for all visitors.
  4. Regularly audit and update third-party libraries and scripts to prevent vulnerabilities.
  5. Consider providing direct company contact emails for customer and security inquiries to facilitate communication.

Contact details published on the site

Addresses
Legal name
DTG Operations, Inc.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Thrifty Car Rental
Description
Thrifty Car Rental offers car rental services with an extensive range of cars globally, focusing on providing the best rental rates online.
Key services
Car rental booking, Booking management, Promotional code application
Content quality
good
Branding
consistent

Technology

Stack
jQuery, jQuery UI, Bootstrap, Google Tag Manager, Google Maps API, Securiti.ai cookie consent
Frameworks
Bootstrap
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • CSRF token present in forms
  • Cookie consent with opt-in mechanism

Analytics and tracking

Services
Google Tag Manager
Tracking level
moderate
Privacy practices
good

Advertising

Transparency
basic

Site quality

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

Key observations

  1. Website is fully accessible with no blocking detected.
  2. Comprehensive cookie consent mechanism implemented.
  3. Privacy policy and terms of service are present and linked.
  4. No explicit security headers detected in HTML content.
  5. WHOIS data is missing or unavailable, limiting domain trust assessment.
  6. Multiple external domains used for scripts and assets, mostly reputable.
  7. No direct company contact emails found; phone and contact forms present.
  8. Website uses modern JavaScript libraries and frameworks.
  9. Booking forms collect personal data with CSRF protection.
  10. No social media links explicitly found in the content.
Technical notes

Notes

The website is built on a solid technical foundation using widely adopted libraries and frameworks such as jQuery, Bootstrap, and Google Tag Manager. It employs asynchronous script loading and deferred execution to optimize performance. The site is mobile responsive and includes date pickers and custom dropdowns for user input. However, some CSS and JavaScript could be further optimized for accessibility and performance. The absence of a detected CMS suggests a custom or proprietary platform. Hosting details are not explicit but the use of multiple CDN and third-party services indicates a distributed infrastructure. Overall, the technical implementation supports the business needs effectively with moderate performance and good SEO practices.
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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