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Security report for basecamp.com

37signals LLC · Technology · United States

Medium risk. 7 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

68/100

Risk levelMedium

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

Basecamp is a mature and reputable project management software company operated by 37signals LLC, with a strong market position serving small to medium-sized businesses globally. The company emphasizes straightforward, no-nonsense collaboration tools that replace multiple other software products, offering a comprehensive suite of project management, communication, and client collaboration features. Their business model is subscription-based SaaS, supported by a long history and a transparent, customer-focused approach. Technically, the website is well-built using modern web standards, optimized for mobile and desktop platforms, and hosted with Cloudflare DNS and registrar services. The site employs progressive web app features and uses SVG graphics and modular JavaScript. Performance and SEO are strong, with good accessibility features. The company provides multiple platform apps and extensive support resources including live classes and detailed documentation. Security posture is solid with HTTPS enforced, data backups, and transparent security policies. However, DNSSEC is not enabled, and no security.txt or explicit incident response contacts are published. Privacy compliance is well addressed with clear policies and cookie consent mechanisms. The company provides direct contact emails to founders, enhancing trust and transparency. Overall, Basecamp presents a low-risk, trustworthy profile with excellent business credibility and technical maturity. Strategic improvements could include enhanced DNS security, formal vulnerability disclosure channels, and additional security headers to further strengthen their security posture.

Scanned

NIS2 and GDPR posture

GDPR outside view
50/ 100 · Medium
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

7 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 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 basecamp.com

This scan found 20 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

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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
57
Security headers
30
Email security
82
DNS health
90
Network security
100
GDPR outside view
50
Average
68

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 basecamp.com, from OffSeq Breach.

Total records
11,529
Employees
0
Customers
11,474
Third parties
55
Weak passwords
11%

21 subdomains affected

See the 10 newest leaked credentials

A one-off add-on to this report that lists the most recent identifier and password pairs OffSeq Breach holds for basecamp.com.

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Breach keeps ingesting new leaks, so these numbers can grow between scans.

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Technical appendix

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

Business context

Business profile

Basecamp holds a strong position in the project management software market, targeting smaller, agile businesses and teams that seek simplicity and reliability. Their competitive advantage lies in their longevity, direct customer engagement, and integrated feature set that replaces multiple standalone tools. Revenue streams are primarily subscription-based, with a focus on customer retention through excellent support and continuous product improvement. The company maintains a transparent culture, publishing employee handbooks and offering direct access to leadership. Their partnership ecosystem includes related products like HEY email. Growth indicators include a large global user base and active community engagement through classes and tutorials.

Security posture

Basecamp demonstrates a mature security posture with enforced HTTPS, multiple data center backups, and transparent security documentation. The absence of DNSSEC and security.txt files are minor gaps. No vulnerabilities or exposed sensitive data were detected in the website content. Incident response contacts are not explicitly published, which could be improved. The company’s approach to data export and client control over data visibility reflects good data protection practices. Overall, the security culture appears strong, supported by direct leadership involvement and clear policies.

Recommendations

  1. Enable DNSSEC on the domain to improve DNS integrity and prevent spoofing.
  2. Publish a security.txt file to facilitate vulnerability reporting and improve transparency.
  3. Add explicit incident response and abuse contact channels on the website.
  4. Implement additional security headers such as Content-Security-Policy and X-Content-Type-Options.
  5. Continue to maintain and publicize comprehensive privacy and security policies to reinforce trust.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
37signals LLC
Description
Basecamp is a project management and online collaboration software trusted by millions, designed to organize projects, work with clients, and communicate company-wide in a straightforward and efficient manner.
Key services
Project management, Task tracking, Team collaboration, Client collaboration, File storage and sharing, Visual project tracking (Hill Charts, Kanban), Reporting and accountability
Content quality
excellent
Branding
consistent

Technology

Stack
HTML5, CSS3, JavaScript (ES Modules), Cloudflare DNS and registrar, Progressive Web App (PWA), SVG graphics
Platforms
Web, iOS, Android, Mac, Windows
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • No exposed sensitive data in HTML
  • Cookie consent mechanism present
  • Data backup and redundancy described
  • Self-service data export
  • Direct contact to founders for security questions

Analytics and tracking

Tracking level
minimal
Privacy practices
good

Advertising

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 multimedia.
  2. Strong emphasis on transparency and direct contact with company founders.
  3. Comprehensive FAQ sections covering business, security, and support.
  4. Multiple live class offerings and community engagement.
  5. No signs of suspicious or malicious content.
  6. Use of modern web technologies and good mobile optimization.
  7. No explicit phone numbers found; contact primarily via email and support forms.
  8. No explicit privacy or security certifications listed.
  9. No security.txt or explicit vulnerability disclosure page found.
Technical notes

Notes

The website is built on a modern, standards-compliant tech stack with HTML5, CSS3, and modular JavaScript. It uses Cloudflare for DNS and domain registration, ensuring reliable hosting infrastructure. The site is optimized for performance and mobile responsiveness, with progressive web app capabilities. No CMS was detected, indicating a custom or static site approach. The use of SVGs and well-structured metadata supports SEO and accessibility. Technical risks are minimal, with opportunities to enhance DNS security and security headers. Overall, the technical implementation supports a robust and scalable digital presence.
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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