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Security report for starkweb.xyz

Nethermind · Technology · N/a

Medium risk. 8 critical or high findings in Email security, Security headers and 2 other checks.

Security score

61/100

Risk levelMedium

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

Starkweb is a specialized developer toolkit designed to facilitate interaction with the Starknet blockchain. It offers abstractions over JSON-RPC APIs, smart contract interaction capabilities, and utilities aligned with Starknet terminology, targeting blockchain developers and engineers. The project is associated with Nethermind, a known entity in the blockchain space, and maintains an active presence on GitHub, Twitter, and Telegram, indicating community engagement and open-source development. Technically, the website employs modern web technologies including React and TypeScript, with a clean and responsive design optimized for both desktop and mobile users. The site loads quickly and provides clear navigation, enhancing user experience. However, there is no detected CMS or hosting provider information, and no advanced SEO or accessibility metadata beyond basic standards. From a security perspective, the site uses HTTPS and does not expose sensitive data or vulnerable libraries in the visible content. However, it lacks explicit security headers such as Content Security Policy or HSTS, and does not provide privacy, cookie, or terms of service policies. There is also no visible incident response or vulnerability disclosure information, which are important for security transparency. Overall, the website is legitimate and trustworthy within its niche but would benefit from improved privacy compliance and security best practices. The absence of contact information and policies slightly reduces its business credibility and privacy posture scores.

Scanned

NIS2 and GDPR posture

GDPR outside view
35/ 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

8 findings rated critical or high. Fix these first.

  1. Email security

    SPF, DKIM and DMARC stop others sending email that looks like it comes from your domain, a common route to phishing and invoice fraud.

    • Critical

      No email authentication configured

      Domain is vulnerable to email spoofing

      What to do: Implement SPF, DKIM, and DMARC immediately

  2. 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 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';…

  3. 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

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

Keep watching starkweb.xyz

This scan found 26 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

Email alerts on material changes and an exportable JSON history of every change.

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Full report

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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
72
Security headers
30
Email security
60
DNS health
70
Network security
100
GDPR outside view
35
Average
61

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

Starkweb operates as an open-source technology toolkit within the blockchain development sector, specifically targeting Starknet developers. Its competitive advantage lies in providing a comprehensive, easy-to-use API abstraction layer and integration with popular Ethereum development tools. The business model appears to be community-driven with potential for enterprise adoption through Nethermind's backing. The target customers are developers and blockchain engineers seeking streamlined Starknet tooling. Growth indicators include active GitHub repository and social media channels. The partnership ecosystem includes references to Ethereum.org and major Ethereum tooling projects, enhancing credibility and integration potential.

Security posture

The current security maturity level is moderate. The website benefits from HTTPS encryption and absence of exposed sensitive data. However, it lacks critical security headers and formalized security policies such as privacy, cookie, and incident response disclosures. There is no evidence of vulnerability disclosure programs or security contact channels, which limits transparency and responsiveness to security incidents. Compliance with GDPR or other data protection regulations is not demonstrated. The security culture appears nascent, with room for improvement in formalizing policies and enhancing technical security controls.

Recommendations

  1. Implement and publish a comprehensive privacy policy and cookie policy with GDPR compliance details.
  2. Add explicit security headers including Content Security Policy, HSTS, and X-Frame-Options to enhance protection.
  3. Provide clear contact information including security incident response contacts and vulnerability disclosure channels.
  4. Conduct a security audit to identify and remediate any potential vulnerabilities in the codebase and dependencies.
  5. Enhance transparency by adding terms of service and data protection officer contact details if applicable.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Nethermind
Description
Starkweb is an all-in-one toolkit designed for Starknet, providing abstractions over JSON-RPC APIs, smart contract interaction APIs, and utilities aligned with Starknet terminology to facilitate blockchain development.
Key services
JSON-RPC API abstractions, Smart contract interaction APIs, Browser extension, WalletConnect, and private key wallet integration, ABI utilities and TypeScript support, Support for Ethereum development tools like Anvil, Hardhat, Ganache
Content quality
good
Branding
consistent

Technology

Stack
JavaScript, TypeScript, React, Vite (implied by modern JS module usage), SVG icons
Frameworks
React
Performance
fast
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
75/100
Good practices seen
  • HTTPS usage implied by URL scheme
  • No exposed sensitive data in HTML
  • No forms detected to handle sensitive input

Analytics and tracking

Tracking level
minimal
Privacy practices
poor

Advertising

Transparency
poor

Site quality

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

Key observations

  1. Website is a developer toolkit for Starknet blockchain
  2. No privacy, cookie, or terms policies found
  3. No contact emails or phone numbers provided
  4. Social media presence on Twitter and Telegram
  5. No forms or data collection mechanisms detected
  6. Modern, clean design with good UX and mobile support
  7. No advertising or tracking scripts detected
  8. No explicit security headers detected in HTML content
  9. WHOIS data is privacy protected
Technical notes

Notes

The website is built using modern JavaScript frameworks, primarily React and TypeScript, with modular JavaScript and CSS assets indicating a contemporary front-end build process. The site is performant and mobile-optimized, with good accessibility features such as skip links and ARIA attributes. No CMS or backend platform is detected, suggesting a static or serverless hosting approach. The absence of analytics or tracking scripts indicates a privacy-conscious design. Technical debt appears low, but the lack of security headers and formal policies represents a risk area. Opportunities exist to improve SEO metadata and implement automated performance monitoring.
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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