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Security report for bill.do

Bill.DO · Technology · Netherlands

Low risk. 4 critical or high findings in Security headers and GDPR outside view.

Security score

76/100

Risk levelLow

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

Bill.DO is a specialized SaaS platform offering billing insights and alerting services for DigitalOcean users. It targets DigitalOcean account holders who want to monitor and control their cloud spending effectively. The business operates under the Chief Tools brand, hosted in Europe with a focus on privacy and compliance. The website presents clear pricing tiers and service descriptions, catering to a range of user needs from free to enterprise levels. Technically, the site uses modern JavaScript frameworks such as Alpine.js and Laravel Livewire, with integrations for error tracking (Sentry) and privacy-focused analytics (Fathom). However, the website suffers from an invalid SSL certificate, which undermines its security posture and user trust. Performance is also suboptimal with a slow load time and many resources, though mobile optimization and SEO are handled well. Privacy compliance is partial, with a privacy policy present but no cookie consent mechanism detected. Contact options are primarily via web forms and external links, with no explicit phone or email contacts on the main site. Overall, the site is functional and professional but requires improvements in security and privacy compliance to enhance trust and user confidence.

Scanned

NIS2 and GDPR posture

GDPR outside view
40/ 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

4 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 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

    • 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

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

Keep watching bill.do

This scan found 10 issues across 5 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
80
Email security
50
DNS health
85
Network security
100
GDPR outside view
40
Average
76

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

Breach exposure

Leaked credentials and lookalike domains from OffSeq Breach. The counts are free; the detailed lists are paid add-ons.

Dark web exposure

Add-on

Leaked records that mention bill.do, from OffSeq Breach.

No leaked records found

Breach holds no records for bill.do right now. New leaks arrive continuously, so monitoring on Breach alerts you if that changes.

Monitor on Breach (opens in a new tab)

Technical appendix

Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.

Business context

Business profile

Bill.DO occupies a niche market in cloud cost management for DigitalOcean users, leveraging a subscription-based SaaS model with tiered plans. Its competitive advantage lies in its focused service offering, read-only secure integration with DigitalOcean, and project-level spending insights. The company is small, based in the Netherlands, and part of the Chief Tools ecosystem, which provides additional credibility and support infrastructure. The business model relies on recurring revenue from paid plans, with a free tier to attract users. The partnership with Chief Tools and related domains like docs.chief.tools and chief.app indicates a broader ecosystem supporting the product. Growth potential exists in expanding features and improving security and compliance to appeal to enterprise customers. The website content and branding are consistent and professional, supporting a trustworthy market presence.

Security posture

The website demonstrates a moderate security posture with some best practices such as HSTS enabled with preload and includeSubDomains, no vulnerable SSL/TLS protocols, and use of read-only access for DigitalOcean integration. However, the invalid SSL certificate is a critical weakness that exposes users to potential man-in-the-middle attacks and undermines trust. The absence of OCSP stapling and session resumption reduces SSL performance and security. No additional security headers beyond HSTS are detected, and no explicit security policy or incident response information is published on the site. The site uses modern frameworks and scripts but should regularly audit dependencies for vulnerabilities. Overall, the security posture is basic and requires urgent remediation of SSL issues and enhancement of security headers and policies.

Recommendations

  1. Resolve SSL certificate issues immediately to ensure valid HTTPS and user trust.
  2. Implement OCSP stapling and enable session resumption to improve SSL performance and security.
  3. Add comprehensive security headers such as Content-Security-Policy, X-Content-Type-Options, and X-Frame-Options.
  4. Introduce a cookie consent mechanism to comply with privacy regulations and improve privacy compliance score.
  5. Publish a clear security policy and incident response plan accessible from the website to enhance transparency and preparedness.

Contact details published on the site

Addresses
Technical notes

Notes

The website is built using modern JavaScript frameworks including Alpine.js and Laravel Livewire, indicating a reactive and component-driven frontend architecture. It uses Font Awesome for icons and integrates Sentry for error tracking and Fathom Analytics for privacy-focused user analytics. Hosting is via Cloudflare, providing CDN and security benefits. Despite modern technologies, the site suffers from slow load times (over 21 seconds) and a high number of resources (98), which impacts user experience and SEO. Mobile optimization is good, but accessibility features are basic. SEO metadata and Open Graph tags are well implemented, supporting social sharing and search engine visibility. There is no CMS detected, suggesting a custom or framework-based site. Performance improvements and SSL fixes are recommended to reduce technical debt and improve operational stability.
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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