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Security report for airbnb.com.au

Airbnb · Hospitality · Australia

Medium risk. 6 critical or high findings in GDPR outside view and SSL/TLS.

Security score

71/100

Risk levelMedium

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

Airbnb is a leading global online marketplace specializing in short-term vacation rentals and unique travel experiences. The website targets travelers and hosts worldwide, offering millions of listings across over 220 countries and regions. The platform's business model centers on connecting hosts with guests, facilitating bookings for various types of accommodations including holiday rentals, cabins, and beach houses. Airbnb holds a strong market position as a pioneer and dominant player in the hospitality industry, supported by a large enterprise-scale infrastructure and consistent branding. Technically, the website leverages modern web technologies including React 18, Google Tag Manager, and Mapbox for mapping services. The site demonstrates excellent performance, mobile optimization, and accessibility features, ensuring a high-quality user experience. The use of advanced performance observers and video codecs further indicates a mature digital infrastructure. From a security perspective, the site enforces HTTPS and includes some security best practices such as CSRF tokens and content security policies for embedded widgets. However, explicit security headers and detailed security or incident response policies are not visible in the provided content. Privacy and cookie policies are not explicitly linked or found, indicating an area for improvement in compliance transparency. Overall, Airbnb's website presents a high level of professionalism, trustworthiness, and technical maturity. The domain registration data is limited due to privacy protections but aligns with the company's global presence. Strategic recommendations include enhancing privacy and security disclosures, publishing vulnerability disclosure programs, and improving contact information visibility to strengthen trust and compliance.

Scanned

NIS2 and GDPR posture

GDPR outside view
35/ 100 · High
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

6 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 Privacy Policy found

      GDPR requires a clear and accessible privacy policy

      What to do: Add a comprehensive privacy policy page and link to it prominently

    • High

      No Cookie Policy found

      GDPR requires clear information about cookie usage

      What to do: Add a dedicated cookie policy explaining cookie usage and purposes

    • 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

    • High

      Third-party services without privacy policy

      Detected services: Google Analytics, Google APIs

      What to do: Document all third-party data sharing in your privacy policy

  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

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Keep watching airbnb.com.au

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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
62
Security headers
80
Email security
70
DNS health
80
Network security
100
GDPR outside view
35
Average
71

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

Airbnb operates as a global hospitality platform with a business model focused on peer-to-peer short-term rentals and experiences. Its competitive advantage lies in its extensive global network, brand recognition, and diversified offerings beyond traditional hotels. Revenue streams include booking fees from guests and hosts. The target customer segments include leisure and business travelers seeking unique accommodations and hosts looking to monetize their properties. Growth indicators include continuous platform enhancements and geographic expansion. The partnership ecosystem includes technology providers for maps and analytics. Operationally, Airbnb maintains a strong digital presence with localized country domains, supporting a broad international market.

Security posture

The current security posture of Airbnb's website is strong in terms of HTTPS enforcement and use of modern web security practices. However, the absence of visible security headers and explicit security policies in the HTML content suggests potential gaps in transparency. No vulnerabilities or exposed sensitive data were detected in the analyzed content. Compliance with GDPR and other privacy regulations is not clearly demonstrated on the landing page, indicating room for improvement. Incident response readiness and vulnerability disclosure mechanisms are not publicly evident, which could impact trust from security-conscious users. Overall, the security maturity is good but could benefit from enhanced policy disclosures and security header implementations.

Recommendations

  1. Publish clear and accessible privacy and cookie policies on the website with consent mechanisms.
  2. Implement and disclose a formal vulnerability disclosure program and security.txt file.
  3. Add comprehensive security headers such as HSTS, X-Content-Type-Options, and X-Frame-Options.
  4. Provide explicit contact information for security and privacy concerns, including dedicated email addresses.
  5. Enhance transparency around data protection officer and incident response procedures.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Airbnb
Description
Get an Airbnb for every kind of trip → 7 million holiday rentals → 2 million Guest favourites → 220+ countries and regions worldwide
Key services
Holiday rentals, Cabins, Beach houses, Experiences, Services
Content quality
good
Branding
consistent

Technology

Stack
React 18.3.1, Google Tag Manager, Mapbox, Google Maps API, IntersectionObserver, PerformanceObserver, CSS variables, Video elements with HEVC and WebM codecs
Frameworks
React
Platforms
Web
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • CSRF token meta tags present
  • Content Security Policy for Twitter widgets

Analytics and tracking

Services
Google Tag Manager, Bugsnag
Tracking level
moderate
Privacy practices
basic

Advertising

Tracking pixels
Bugsnag
Transparency
good

Site quality

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

Key observations

  1. Website is fully accessible with no blocking or WAF challenges.
  2. Content is professionally presented with strong branding and user experience.
  3. No explicit contact emails or phone numbers found in the HTML content.
  4. Privacy, cookie, and terms policies are not explicitly found or linked in the provided HTML snippet.
  5. Strong use of modern web technologies and performance optimizations.
  6. Security headers are not explicitly visible in the HTML content; likely managed at server level.
  7. WHOIS data is limited due to registrar privacy and .au domain policies.
Technical notes

Notes

The website is built on a modern React framework with extensive use of asynchronous JavaScript modules and CSS-in-JS styling. It integrates third-party services such as Google Tag Manager and Mapbox for analytics and mapping. Performance optimizations include lazy loading, video codec support for HEVC and WebM, and use of IntersectionObserver and PerformanceObserver APIs for monitoring. The site is mobile-optimized and accessible, with semantic HTML and ARIA attributes. No CMS is explicitly detected, suggesting a custom or proprietary platform. Hosting details are not disclosed but likely involve enterprise-grade cloud infrastructure. Technical risks are minimal, with opportunities to improve security header implementation and privacy compliance disclosures.
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. 63/100 −8Medium30 findingsView report
  2. 71/100Medium25 findingsView report
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