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Security report for pieter.com

Technology · N/a

Medium risk. 9 critical or high findings in Security headers, GDPR outside view and 3 other checks.

Security score

50/100

Risk levelMedium

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

The website pieter.com offers a niche service: a browser-based Windows 3.11 emulator with a simulated dial-up internet experience. It targets retro computing enthusiasts and users interested in vintage software experiences. The site is technically mature, leveraging modern JavaScript libraries such as jQuery and Tesseract.js, and uses Emscripten to run DOSBox in the browser. Hosting and DNS are managed by Cloudflare, providing a reliable infrastructure. However, the site lacks formal privacy, cookie, and terms of service policies, and does not provide contact or incident response information, which limits its compliance posture. Security practices are basic, with no DNSSEC enabled and no visible security headers, though the domain is long-standing and registered consistently.

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

9 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 pieter.com

This scan found 24 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.

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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
42
Security headers
35
Email security
85
DNS health
65
Network security
20
GDPR outside view
50
Average
50

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 pieter.com, from OffSeq Breach.

Total records
3
Employees
0
Customers
3
Third parties
0
Weak passwords
0%

1 subdomain 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 pieter.com.

Select it in the checkout above.

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

Pieter.com operates in the technology sector, specifically focusing on retro computing emulation. Its business model appears to be providing a free or hobbyist-oriented emulator service accessible via web browsers. The site is small in scale, with no evident commercial transactions or user data collection beyond minimal analytics. The target audience is retro computing enthusiasts and general users interested in vintage Windows experiences. The site is branded consistently and professionally but lacks formal business contact details or certifications. Its market position is niche, with a unique offering that differentiates it from mainstream emulator projects.

Security posture

The security posture of pieter.com is moderate. The domain is secured with HTTPS (implied by canonical URLs), and the domain status clientTransferProhibited prevents unauthorized transfers. However, DNSSEC is not enabled, and no security headers such as Content-Security-Policy or Strict-Transport-Security are detected. The site uses Cloudflare DNS and hosting, which adds a layer of protection. No incident response or vulnerability disclosure information is provided. The lack of privacy and cookie policies indicates compliance gaps. Overall, the site is functional and secure enough for its purpose but could improve in formal security and compliance practices.

Recommendations

  1. Enable DNSSEC on the domain to enhance DNS security and prevent spoofing.
  2. Implement standard security headers including Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security.
  3. Publish comprehensive privacy and cookie policies to improve GDPR and privacy compliance.
  4. Add clear contact information and an incident response channel for security reporting.
  5. Regularly audit third-party scripts and dependencies to ensure no vulnerable libraries are used.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Description
Windows 3.11 Emulator - retro computer with working dial-up modem internet with Winsock that lives inside your browser by @levelsio
Key services
Windows 3.11 emulator, Browser-based dial-up internet simulation
Content quality
good
Branding
consistent

Technology

Stack
JavaScript, jQuery, Tesseract.js, Emscripten, WebGL, Cloudflare DNS
Platforms
Browser-based emulator
Performance
moderate
Mobile
good
Accessibility
basic
SEO
basic

Security

Observed score
60/100
Good practices seen
  • Domain status clientTransferProhibited
  • Use of Cloudflare DNS

Analytics and tracking

Services
Simple Analytics
Tracking level
minimal
Privacy practices
poor

Advertising

Transparency
poor

Site quality

Design
good
User experience
good
Content relevance
good
Navigation
basic
Professionalism
good
Trustworthiness
moderate

Key observations

  1. Website is a browser-based Windows 3.11 emulator with dial-up internet simulation.
  2. No privacy, cookie, or terms of service policies found.
  3. No contact emails, phone numbers, or physical addresses found.
  4. Uses minimal external scripts focused on analytics and emulation.
  5. No security headers detected in provided data; DNSSEC not enabled.
  6. WHOIS data shows domain is old and registered with Cloudflare, Inc.
  7. No adult or explicit content detected; content is safe for general audiences.
  8. No WAF or blocking mechanisms detected; content fully accessible.
Technical notes

Notes

The website uses a modern JavaScript tech stack including jQuery and Tesseract.js for OCR, and Emscripten to run a DOSBox emulator in the browser. Hosting is via Cloudflare, providing robust DNS and CDN services. The site is moderately optimized for mobile devices and has a good design quality with a retro aesthetic. Performance is moderate due to the large emulator data files being loaded. SEO is basic with proper meta tags and Open Graph data but lacks structured data like JSON-LD. Accessibility features are minimal. The site does not use a CMS and appears custom-built for its emulator purpose. Technical risks include lack of DNSSEC and missing security headers.
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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