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Security report for airbnb.com.br

Airbnb, Inc. · Hospitality · Brazil

Medium risk. 9 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

62/100

Risk levelMedium

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

Airbnb, Inc. operates a leading global online marketplace for short-term vacation rentals and experiences, serving millions of travelers and hosts worldwide. The Brazilian localized website offers access to millions of listings across more than 220 countries and regions, targeting travelers seeking diverse accommodation options and unique experiences. The business model centers on connecting hosts and guests through a digital platform, generating revenue via service fees and commissions. Airbnb holds a strong market position as a pioneer and leader in the hospitality sharing economy.

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

9 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 Strict-Transport-Security header

      Forces HTTPS connections

      What to do: Add "Strict-Transport-Security: max-age=31536000; includeSubDomains; preload"

      • CWE-319
      • OWASP A04:2025
      • ASVS V3.4.1
    • 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. 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

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

Keep watching airbnb.com.br

This scan found 22 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.

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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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
15
Email security
70
DNS health
90
Network security
100
GDPR outside view
35
Average
62

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's business intelligence reveals a mature enterprise with a global footprint and a diversified service offering including accommodations, experiences, and hosting services. The company targets a broad audience of travelers and hosts, leveraging a platform business model. The website's localization for Brazil indicates strategic market penetration. The absence of direct contact emails or phone numbers on the homepage suggests reliance on centralized support channels. The brand is consistent and trusted, supported by comprehensive privacy and cookie policies aligned with GDPR compliance.

Security posture

Airbnb's website enforces HTTPS with strong SSL configuration and includes security headers implied by meta tags and script usage. CSRF tokens are present, and no sensitive data is exposed in the HTML. However, explicit security policy pages and incident response contacts are not publicly found, and no vulnerability disclosure or security.txt files are detected. Overall, the security posture is strong but could be improved by publishing dedicated security and incident response information.

Recommendations

  1. Publish a dedicated security policy page outlining security practices and frameworks.
  2. Provide clear incident response contact channels such as security@ or abuse@ emails.
  3. Implement and publicize a vulnerability disclosure program or security.txt file.
  4. Enhance transparency by listing certifications or compliance attestations if applicable.
  5. Maintain and regularly update privacy and cookie policies to reflect evolving regulations.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Airbnb, Inc.
Description
Reserve um Airbnb para cada tipo de viagem → 7 milhões de locações por temporada → 2 milhões de Preferidos dos Hóspedes → Mais de 220 países e regiões em todo o mundo
Key services
Vacation rentals, Experiences, Hosting services
Content quality
excellent
Branding
consistent

Technology

Stack
React 18.3.1, JavaScript, CSS, Google Tag Manager, Mapbox, Google Maps API, AWS DNS, NSOne DNS
Frameworks
React
Platforms
Web
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
90/100
Good practices seen
  • HTTPS enforced
  • CSRF tokens meta tags present
  • Use of modern JavaScript frameworks
  • No exposed sensitive data in HTML

Analytics and tracking

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

Advertising

Ad networks
Google Tag Manager
Tracking pixels
Bugsnag
Marketing tools
Google Analytics (disabled in this instance)
Transparency
good

Site quality

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

Key observations

  1. Website is fully accessible and functional.
  2. Content is localized for Brazilian Portuguese audience.
  3. Strong use of modern web technologies and frameworks.
  4. Comprehensive privacy and cookie policies present.
  5. No direct company emails or phone numbers found on homepage; contact via help center form.
  6. No explicit security policy or incident response contact found publicly.
  7. No vulnerability disclosure or security.txt detected.
  8. High-quality branding and consistent user experience.
  9. No adult or questionable content detected.
Technical notes

Notes

The website's infrastructure is robust, leveraging cloud hosting and modern web frameworks. Performance is optimized with deferred script loading and CDN usage. The tech stack is current, minimizing technical debt. Opportunities exist to enhance security transparency and incident response readiness. The site is well-structured for SEO and accessibility, supporting a high-quality user experience.
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. 70/100 +10Medium26 findingsView report
  2. 60/100Medium31 findingsView report
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