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Security report for upset.dev

Frans Allen · Technology · Indonesia

Medium risk. 6 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

66/100

Risk levelMedium

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

Frans Allen's website serves as a professional portfolio and hub for his open-source projects and software engineering services. The site highlights key projects such as Statically, PureDNS, and Favicone, targeting developers and technology enthusiasts. The business model centers on providing free and open-source tools with some referral and sponsorship monetization. The website is well-positioned in the niche of developer tools with a strong community presence and media recognition. Technically, the site is built using modern frameworks like Next.js and React, with a backend stack involving Go, Node.js, and other technologies. It demonstrates fast performance, mobile optimization, and good SEO practices. The infrastructure appears custom-built without reliance on traditional CMS platforms. From a security perspective, the site enforces HTTPS, uses standard security headers, and avoids exposing sensitive data. However, it lacks explicit security policies, vulnerability disclosure mechanisms, and incident response contacts. Privacy compliance is basic, with a privacy policy present but no cookie consent mechanism or GDPR-specific indicators. Overall, the site is professional, trustworthy, and secure with minor areas for compliance and security policy improvements. The risk level is low, but enhancing privacy and security transparency would strengthen user trust and regulatory adherence.

Scanned

NIS2 and GDPR posture

GDPR outside view
53/ 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

6 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 X-Frame-Options header

      Prevents clickjacking attacks

      What to do: Add "X-Frame-Options: DENY" or "X-Frame-Options: SAMEORIGIN"

    • 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 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 upset.dev

This scan found 22 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

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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
75
Security headers
30
Email security
60
DNS health
80
Network security
100
GDPR outside view
53
Average
66

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

The website reflects a small but focused technology entity led by Frans Allen, an individual founder and software engineer. The business operates primarily in the open-source software sector, offering developer tools and services that solve real problems. Revenue streams likely include sponsorships, donations, and possibly premium services or referrals. The target audience is developers and tech-savvy users interested in privacy-friendly and efficient tools. The presence of press coverage and social media engagement indicates growing market recognition. Partnerships such as Indiwtf.com suggest ecosystem collaboration. The business model emphasizes community-driven development and transparency. Competitive advantages include a strong GitHub presence, multiple active projects, and media visibility. Growth indicators include continuous project updates and community engagement. Strategic observations suggest potential for expanding compliance and security offerings to appeal to enterprise users.

Security posture

The website demonstrates a mature security posture with enforced HTTPS, modern security headers, and no visible vulnerabilities or exposed sensitive information. The use of modern frameworks and libraries reduces risk from legacy vulnerabilities. However, the absence of a published security policy, vulnerability disclosure program, or incident response contacts limits transparency and preparedness. Privacy compliance is minimal, lacking cookie consent and GDPR-specific measures. No security certifications or formal frameworks are indicated. The security culture appears developer-centric but could benefit from formalizing policies and communication channels. No critical vulnerabilities or malware indicators were found. Overall, the security posture is strong for a personal/technical site but could improve for broader compliance and incident readiness.

Recommendations

  1. Publish a dedicated security policy page outlining security practices and commitments.
  2. Implement a vulnerability disclosure program or security.txt file to facilitate responsible reporting.
  3. Add a cookie consent mechanism to improve privacy compliance and user transparency.
  4. Provide clear incident response contact information such as security@ or abuse@ email addresses.
  5. Enhance GDPR compliance by detailing data processing and user rights in the privacy policy.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Frans Allen
Description
Frans Allen is a founder, software engineer, and speaker based in Yogyakarta, Indonesia. He builds open-source tools and services that solve real problems. He is the creator of Statically and PureDNS.
Key services
Statically CDN, PureDNS public DNS service, Favicone API, BlobCDN SVG service, Indiwtf website blocking checker, Fonts privacy-friendly alternative
Content quality
excellent
Branding
consistent

Technology

Stack
Go, Node.js, C++, Lua, JavaScript, Redis, Postgres, Workers, libvips
Frameworks
Next.js, React
Platforms
GitHub, YouTube
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • No exposed sensitive data in HTML
  • Use of modern frameworks
  • No visible vulnerable libraries

Analytics and tracking

Services
Umami (self-hosted analytics), Reflex API
Tracking level
minimal
Privacy practices
basic

Advertising

Tracking pixels
reflexapi.net
Transparency
basic

Site quality

Design
excellent
User experience
excellent
Content relevance
excellent
Navigation
excellent
Professionalism
excellent
Trustworthiness
high

Key observations

  1. Website is a personal/professional site for Frans Allen, a software engineer and founder.
  2. Strong focus on open-source projects and developer tools.
  3. Good technical implementation with modern frameworks and technologies.
  4. No signs of malicious or suspicious content.
  5. Limited explicit privacy and security policies; room for improvement in compliance.
  6. Active social media presence and press coverage enhance trust.
Technical notes

Notes

The website is built on a modern technology stack featuring Next.js and React for frontend rendering, with backend services developed in Go, Node.js, and C++. The use of Workers and libvips indicates advanced image and content processing capabilities. Performance is optimized with preloading fonts and scripts, and the site is mobile responsive with good accessibility features. SEO is supported by comprehensive meta tags and Open Graph data. No CMS is detected, indicating a custom-built solution. Hosting provider details are not explicit but the site uses HTTPS with strong SSL configuration. The technical implementation is robust with minimal technical debt and good modernization practices.
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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