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Security report for dropbox.com

Dropbox · Technology · US

Partial score · DNS & email only

75/100

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

Dropbox is a leading cloud storage and collaboration platform serving both individual and enterprise customers. It offers a suite of products including file storage, sharing, backup, electronic signatures, and video review tools. The company positions itself as a productivity enabler with a strong focus on security and ease of use. The website reflects a mature digital presence with multi-language support and extensive product offerings. Technically, Dropbox employs modern web technologies such as React and RequireJS, hosted on AWS infrastructure, ensuring fast performance and good mobile optimization. Security is robust with strong SSL certificates, comprehensive security headers, and a strict Content Security Policy, although the lack of enabled TLS protocols is a notable anomaly. Privacy and cookie policies are clearly presented with consent mechanisms, indicating GDPR compliance. Overall, Dropbox demonstrates a high level of professionalism, trustworthiness, and technical maturity.

Scanned

This is an earlier scan of dropbox.com. View the latest report
3 of 7 checks could not complete. The site may be unreachable or blocking automated scans, so the results below cover only what could be checked. Try a rescan later.

NIS2 and GDPR posture

NIS2 outside view
Not assessed
GDPR outside view
Not assessed

Both readouts depend on the site's pages, which could not be loaded in this scan.

Priority findings

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

  1. 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 (common selectors)

      DKIM adds cryptographic signatures to emails

      What to do: Configure DKIM with your email provider

  2. 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 4 issues across 3 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
100
Email security
80
DNS health
90
Network security
100
Average
93
After the cap
75

Not counted

  • Security headers: did not complete in this scan.
  • GDPR outside view: did not complete in this scan.
  • 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 primarily in the technology sector with a SaaS subscription and freemium business model. It targets a broad audience including individuals, teams, and enterprises across various industries such as technology, media, manufacturing, and professional services. The company has strategic partnerships and subsidiaries including DocSend, Dropbox Sign, and Dash, enhancing its ecosystem. Its market position is strong, supported by a large user base and high customer satisfaction ratings. The website's content and branding are consistent and of excellent quality, reinforcing Dropbox's reputation as a trusted provider. Marketing and analytics tools are used moderately to optimize user engagement and conversion.

Security posture

Dropbox exhibits a mature security posture with multiple best practices implemented including HSTS with subdomain inclusion, HttpOnly and Secure cookies with SameSite attributes, and a detailed Content Security Policy with nonce values to mitigate XSS risks. The SSL certificate is valid and issued by a reputable CA. No critical vulnerabilities such as Heartbleed or POODLE are detected. However, the absence of enabled TLS protocols (TLS 1.2 or higher) is unusual and should be investigated. There is no explicit security.txt or public vulnerability disclosure page found, which could improve transparency. Incident response contact channels are not explicitly listed on the main site. Overall, Dropbox maintains strong data protection and security controls aligned with industry standards.

Recommendations

  1. Enable TLS 1.2 or higher protocols to ensure secure encrypted connections.
  2. Review and tighten Content Security Policy to remove 'unsafe-eval' if feasible.
  3. Publish a security.txt file to facilitate vulnerability reporting and improve transparency.
  4. Provide explicit incident response and abuse contact information on the website.
  5. Regularly audit third-party scripts and dependencies to minimize supply chain risks.

Contact details published on the site

Addresses
Legal name
Dropbox
Technical notes

Notes

Dropbox's technical infrastructure is modern and robust, leveraging React for frontend development and RequireJS for module loading. The site is hosted on AWS, inferred from DNS nameservers, ensuring scalability and reliability. Performance metrics indicate fast load times and excellent mobile optimization. Accessibility and SEO optimizations are well implemented, supporting a broad user base and search engine visibility. The use of multiple analytics and marketing tools indicates a data-driven approach to user engagement. The absence of TLS protocol enablement is a technical risk that should be addressed promptly. Overall, the technical stack supports Dropbox's business goals effectively with room for minor security improvements.
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. 72/100 −16Medium17 findingsView report
  2. 88/100Low17 findingsView report
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