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Security report for dropbox.com

Dropbox · Technology · N/a

Low risk. No critical or high findings.

Security score

88/100

Risk levelLow

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

Dropbox is a leading enterprise cloud storage and collaboration platform offering a suite of products including Dropbox cloud storage, Dash for content organization, Replay for video review, Backup for device backup, DocSend for secure document sharing, and Sign for electronic signatures. The website demonstrates a strong market position with a comprehensive product portfolio targeting general users and businesses alike. Technically, the site employs modern web technologies such as React, Redux, RequireJS, and TypeScript, hosted on Dropbox's own CDN infrastructure, ensuring fast performance and excellent mobile optimization. Security posture is robust with HTTPS enforcement and script nonce usage, although explicit security headers and vulnerability disclosure mechanisms are absent. Privacy compliance indicators such as privacy and cookie policies are not clearly found in the provided content, which slightly reduces compliance confidence. Overall, the site is professional, trustworthy, and well-branded, with minor areas for improvement in transparency and security documentation.

Scanned

This is an earlier scan of dropbox.com. View the latest report

NIS2 and GDPR posture

GDPR outside view
83/ 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

No critical or high findings. These medium findings are worth fixing next.

  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.

    • Medium

      Missing Permissions-Policy header

      Controls browser features and APIs

      What to do: Implement a Permissions-Policy to restrict feature access

      • OWASP Secure Headers: OWASP Secure Headers Project recommends Permissions-Policy: accelerometer=(), autoplay=(), camera=(), cross-origin-isolated=(),…

  2. GDPR outside view

    These are the privacy signals visitors and data protection authorities look for under GDPR.

    • Medium

      Privacy policy may not be GDPR compliant

      Privacy policy lacks explicit GDPR compliance elements

      What to do: Update privacy policy to explicitly address GDPR requirements and user rights

  3. Email security

    SPF, DKIM and DMARC stop others sending email that looks like it comes from your domain, a common route to phishing and invoice fraud.

    • Medium

      No DKIM record found

      DKIM adds cryptographic signatures to emails

      What to do: Configure DKIM with your email provider

    • Medium

      No MTA-STS Policy

      MTA-STS enforces TLS for email delivery

      What to do: Implement MTA-STS to prevent downgrade attacks

  4. DNS health

    DNS sends visitors and email to the right servers. Misconfigured records can cause outages or let someone redirect your traffic.

    • Medium

      DNSSEC Not Enabled

      DNSSEC is not configured for this domain

      What to do: Enable DNSSEC to prevent DNS spoofing attacks

      • CAPEC-142
      • RFC 4033
      • RFC 4035

Keep watching dropbox.com

This scan found 10 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

€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

Email alerts on material changes and an exportable JSON history of every change.

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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
100
Security headers
90
Email security
67
DNS health
90
Network security
100
GDPR outside view
83
Average
88

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

Dropbox operates in the technology sector with an enterprise-sized footprint. Its business model centers on cloud storage and collaboration services, monetizing through subscription plans and enterprise solutions. The company targets a broad audience including individuals, teams, and various industries such as sales, marketing, HR, IT, and creatives. The presence of partner domains like Reclaim.ai indicates an ecosystem approach to productivity tools. The website's content and navigation reflect a mature digital presence with strong branding consistency and trust signals. The lack of WHOIS data is likely due to privacy or registry restrictions rather than suspicious activity, but it slightly impacts trust metrics.

Security posture

The website enforces HTTPS and uses script nonces to mitigate injection risks, reflecting good security practices. However, the absence of explicit security headers such as HSTS, X-Content-Type-Options, and X-Frame-Options is a gap. No vulnerabilities or exposed sensitive data were detected in the provided content. The site lacks a published security policy, incident response contact, or vulnerability disclosure page, which are important for transparency and compliance. Privacy compliance is partial due to missing explicit privacy and cookie policies. Overall, the security posture is strong but could be enhanced with better documentation and header configurations.

Recommendations

  1. Publish and clearly link comprehensive privacy and cookie policies to improve compliance and user trust.
  2. Implement and expose security headers like HSTS, X-Content-Type-Options, and X-Frame-Options to strengthen security posture.
  3. Provide a security.txt file and a dedicated vulnerability disclosure page to facilitate responsible reporting and incident response.
  4. Add explicit incident response contact information such as security@ or abuse@ email addresses.
  5. Regularly audit third-party scripts and ensure integrity attributes are used to prevent supply chain risks.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Dropbox
Description
Discover Dropbox – secure, easy cloud storage for file sharing and collaboration. With Dash, save time and organize all your company content in one place.
Key services
Dropbox cloud storage, Dash content organization, Replay video review, Backup automatic device backup, DocSend secure document sending, Sign electronic signature
Content quality
excellent
Branding
consistent

Technology

Stack
RequireJS, React, Redux, TypeScript, CSS Modules, FingerprintJS, Adyen payment, ContentSquare, Sprig survey, FullStory
Frameworks
React, Redux
Platforms
Web
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Use of nonce for scripts
  • Content Security Policy nonce present

Analytics and tracking

Services
ContentSquare, FullStory, Sprig
Tracking level
moderate
Privacy practices
basic

Advertising

Tracking pixels
ContentSquare, FullStory, Sprig
Marketing tools
Marketo
Transparency
basic

Site quality

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

Key observations

  1. Website is fully accessible with rich content and navigation.
  2. No WHOIS data available from raw output; likely privacy or registry restriction.
  3. No explicit privacy, cookie, or terms of service pages detected in provided HTML snippet.
  4. Multiple product offerings and solutions clearly presented.
  5. Strong branding and consistent design.
  6. Use of modern web technologies and frameworks.
  7. HTTPS and script nonce usage indicate good security posture.
  8. No contact emails or phone numbers explicitly found in provided content.
  9. No security.txt or vulnerability disclosure information found.
  10. No explicit incident response or security policy pages detected.
Technical notes

Notes

The website uses a modern and robust technology stack including React, Redux, RequireJS, and TypeScript, supported by CSS Modules for styling. Hosting is managed via Dropbox's CDN infrastructure ensuring fast load times and excellent mobile responsiveness. Accessibility features are present, and SEO is well addressed through meta tags and Open Graph data. The site loads multiple asynchronous JavaScript modules for functionality and analytics, including ContentSquare, FullStory, and Sprig for user behavior tracking. There is no detected CMS, indicating a custom-built platform. Technical risks are minimal but could be reduced further by adding security headers and improving privacy documentation.
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. 72/100Medium17 findingsView report
  2. 75/100Medium4 findings · partial scanView report
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