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Security report for blacksmith.sh

Blacksmith Software Inc · Technology · N/a

Low risk. 1 critical or high finding in SSL/TLS.

Security score

81/100

Risk levelLow

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

Blacksmith Software Inc operates a SaaS platform designed to accelerate GitHub Actions workflows by providing a drop-in replacement for GitHub runners that is faster and more cost-efficient. The company targets developer teams seeking to reduce CI/CD pipeline times and costs. Their platform leverages bare metal gaming CPUs, co-located caching, and persistent Docker layer caching to deliver significant performance improvements. The website is professionally designed, mobile-optimized, and rich in content including customer testimonials, case studies, and detailed product comparisons. The company is backed by reputable investors such as Y Combinator and Google Ventures and holds SOC2 certification, enhancing trustworthiness. Technically, the website uses modern web technologies including Webflow CMS, Google Fonts, YouTube IFrame API, jQuery, GSAP animations, and privacy-focused analytics tools like Plausible. The site implements cookie consent mechanisms and maintains comprehensive privacy and terms of service documentation. Security posture is strong with HTTPS enforced and SOC2 compliance, though some security headers could be improved and a security.txt file is absent. No direct contact emails or phone numbers are publicly listed, and WHOIS data is privacy protected, which is justified for this business type. Overall, Blacksmith demonstrates a mature digital presence with strong business credibility and security awareness. The lack of exposed sensitive data and the presence of trust signals suggest a low risk profile. Strategic recommendations include enhancing security headers, publishing vulnerability disclosure information, and providing clearer incident response contacts to further improve security posture and transparency.

Scanned

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

1 finding rated critical or high. Fix these first.

  1. SSL/TLS

    TLS encrypts the connection and proves the site is really yours. Weak or expiring certificates trigger browser warnings and put traffic at risk.

    • High

      Weak SSL Key Length

      SSL certificate uses 256-bit key, which is considered weak

      What to do: Use at least 2048-bit RSA or 256-bit ECC key

      • CWE-326
      • OWASP A04:2025
      • Mozilla TLS: Mozilla Server Side TLS 6.0 intermediate: rsa_key_size 2048

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Keep watching blacksmith.sh

This scan found 16 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
75
Security headers
60
Email security
85
DNS health
85
Network security
100
GDPR outside view
83
Average
81

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

Blacksmith is positioned as a niche SaaS provider in the CI/CD acceleration market, competing against GitHub-hosted runners and self-hosted solutions by offering superior speed and cost efficiency. Their business model is subscription-based with a freemium tier, targeting engineering teams and developers. The company leverages strategic partnerships and investor backing to build credibility and scale. Their marketing emphasizes performance gains and cost savings, supported by customer success stories. The platform's technical advantages and observability features differentiate it in a competitive landscape. Growth indicators include a large number of jobs processed monthly and a growing customer base. The company maintains a professional online presence with clear documentation and resource offerings, supporting customer acquisition and retention.

Security posture

Blacksmith exhibits a solid security posture with HTTPS enforced site-wide and SOC2 certification prominently displayed, indicating adherence to recognized security standards. The presence of a dedicated security page suggests organizational focus on security transparency. Cookie consent and privacy policies align with GDPR requirements, reflecting compliance maturity. However, the absence of explicit security headers such as Content Security Policy and HSTS represents an area for improvement. No vulnerabilities or exposed sensitive data were detected in the website content. Incident response contact details and a security.txt file are missing, which could hinder vulnerability reporting and incident management. Overall, the security maturity is good but could be enhanced by adopting additional best practices and improving communication channels for security incidents.

Recommendations

  1. Implement and enforce security headers including Content Security Policy (CSP), HTTP Strict Transport Security (HSTS), and X-Frame-Options to mitigate common web attacks.
  2. Publish a security.txt file at the root domain to facilitate responsible vulnerability disclosure and improve incident response readiness.
  3. Provide clear incident response contact information, including dedicated security and abuse email addresses, to enhance transparency and trust.
  4. Regularly audit third-party scripts and libraries to ensure no vulnerable components are included and maintain up-to-date dependencies.
  5. Enhance privacy policy disclosures with explicit data retention periods and user rights to strengthen GDPR compliance and user trust.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Blacksmith Software Inc
Description
Blacksmith provides a fast, cost-efficient drop-in replacement for GitHub Actions runners, accelerating CI/CD pipelines by running jobs on bare metal gaming CPUs with high single-core performance, co-located cache artifacts, and persistent Docker layer caching.
Key services
GitHub Actions runner replacement, Faster cache downloads, Accelerated Docker builds, CI pipeline observability console
Content quality
excellent
Branding
consistent

Technology

Stack
Webflow CMS, Google Fonts, YouTube IFrame API, jQuery 3.5.1, GSAP animation library, Finsweet Cookie Consent, Google Tag Manager, Plausible Analytics
Platforms
GitHub Actions
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent implemented
  • SOC2 certification displayed
  • Security page available

Analytics and tracking

Services
Plausible Analytics, Google Tag Manager
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Plausible Analytics
Marketing tools
Plausible Analytics, Finsweet Cookie Consent
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 with rich content and no blocking mechanisms.
  2. Strong branding and consistent messaging focused on CI/CD acceleration.
  3. Comprehensive privacy and cookie policies with consent mechanisms.
  4. No direct company contact emails or phone numbers found on the site.
  5. WHOIS data is unavailable publicly, likely due to privacy protection.
  6. Use of modern web technologies and analytics tools with privacy considerations.
  7. SOC2 certification prominently displayed as a trust indicator.
  8. Multiple customer testimonials and case studies enhance credibility.
Technical notes

Notes

The website is built on Webflow CMS and uses a modern front-end stack including Google Fonts, jQuery, GSAP for animations, and YouTube IFrame API for embedded video content. Hosting is via Webflow's CDN infrastructure, ensuring fast content delivery. The site is mobile-optimized with responsive design and accessibility considerations. Analytics are implemented using privacy-focused Plausible and Google Tag Manager, balancing data collection with compliance. Performance is optimized with asynchronous script loading and efficient media usage. Technical debt appears low with no broken elements or errors detected. Opportunities exist to improve security headers and add structured data for enhanced SEO. Overall, the technical implementation supports a high-quality user experience and scalable infrastructure.
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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