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Security report for lsyuesao.com

Technology · N/a

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

Security score

50/100

Risk levelMedium

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

The website lsyuesao.com operates as a Chinese language platform focused on providing free and cracked VPN and network accelerator software downloads. It targets users seeking free external network acceleration tools, primarily within the Chinese-speaking market. The business model revolves around software promotion and download facilitation, with a niche market position emphasizing free and cracked versions of VPN apps. The site content is basic and primarily consists of download links, recommendations, and related external links to similar services. Technically, the website is built on the ThinkPHP framework and uses older JavaScript libraries such as jQuery 1.11.1 and Unslider for UI components. It employs Cloudflare DNS but lacks advanced security headers and modern frontend technologies. Performance is moderate with basic mobile optimization and SEO practices. Analytics are implemented via Matomo, indicating some level of user tracking but without clear privacy compliance mechanisms. From a security perspective, the site lacks critical security headers, privacy and cookie policies, and contact information for incident response or general inquiries. The domain is registered with NameSilo since 2020, which aligns with the site's apparent small business scale. No WAF or blocking mechanisms are detected, and the content is fully accessible. However, the absence of security best practices and compliance documentation presents risks and reduces trustworthiness. Overall, the website scores moderately low on AI evaluation due to limited content quality, weak security posture, and poor privacy compliance. Strategic improvements in security headers, policy publication, and contact transparency are recommended to enhance trust and compliance.

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

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 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';…

  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

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

Keep watching lsyuesao.com

This scan found 27 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

€39.90one-time

  • The complete analysis as a PDF you can cite
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Prices incl. 21% VAT. Secure checkout by Mollie; sold by SEQ SIA, Latvia.

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
62
Security headers
15
Email security
60
DNS health
70
Network security
40
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

Technical appendix

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

Business context

Business profile

lsyuesao.com operates in the technology sector, specifically focusing on VPN and network acceleration software distribution. Its competitive advantage lies in offering free and cracked versions of popular accelerator apps, appealing to cost-sensitive users. The business model is likely ad-supported or affiliate-based, leveraging download traffic. The target customer segment is Chinese-speaking users interested in network performance enhancement tools. Growth indicators are limited due to lack of visible business information or partnerships. The site links to numerous related domains, some of which may be partners or affiliate sites, though some appear suspicious. The platform's operations suggest a small-scale, niche-focused approach without formal corporate structure or certifications.

Security posture

The website exhibits a low to moderate security maturity level. Key vulnerabilities include the absence of security headers such as CSP, HSTS, and X-Frame-Options, which exposes users to potential attacks like clickjacking and content injection. The use of an outdated jQuery version increases risk of known JavaScript vulnerabilities. No privacy or cookie policies are present, indicating non-compliance with GDPR or similar regulations. Incident response readiness is minimal due to lack of contact channels for security issues. Data protection practices are unclear, and no vulnerability disclosure or security certifications are evident. Overall, the security culture appears immature, necessitating urgent improvements to protect users and enhance trust.

Recommendations

  1. Implement comprehensive security headers including Content-Security-Policy, Strict-Transport-Security, X-Frame-Options, and X-Content-Type-Options.
  2. Publish clear privacy and cookie policies to comply with GDPR and other data protection regulations.
  3. Provide explicit contact information including emails or forms for general and security incident communications.
  4. Upgrade JavaScript libraries to current versions to mitigate known vulnerabilities.
  5. Enable DNSSEC for the domain to improve DNS security and integrity.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Description
免费的加速器推荐 智慧城市建设需要大量的网络数据传输。 免费外网加速 可以有效提高智慧城市的网络性能，满足智慧城市建设的需求。网络加速器可广泛应用于智慧交通、智慧医疗、智慧教育等领域，以提升智慧城市的建设效率和水平。
Key services
Software download links for VPN and network accelerator apps, Recommendations and rankings of accelerator apps, Links to related accelerator and VPN sites
Content quality
basic
Branding
moderate

Technology

Stack
jQuery 1.11.1, Unslider, Matomo Analytics, ThinkPHP framework, Cloudflare DNS
Frameworks
ThinkPHP
Platforms
Web
Performance
moderate
Mobile
basic
Accessibility
basic
SEO
basic

Security

Observed score
40/100
Good practices seen
  • Domain status clientTransferProhibited set
  • HTTPS usage implied (though not explicitly confirmed in data)

Analytics and tracking

Services
Matomo
Tracking level
moderate
Privacy practices
poor

Advertising

Tracking pixels
Matomo
Transparency
poor

Site quality

Design
basic
User experience
basic
Content relevance
basic
Navigation
basic
Professionalism
basic
Trustworthiness
low

Key observations

  1. Website is a Chinese language platform offering free and cracked VPN and network accelerator software downloads.
  2. No privacy, cookie, or terms of service policies found, indicating low compliance maturity.
  3. No contact emails, phone numbers, or physical addresses provided, limiting trust and business credibility.
  4. Technical stack includes older jQuery version and ThinkPHP framework with moderate performance and basic mobile optimization.
  5. Multiple external links to related VPN and accelerator sites, some domains appear suspicious or unrelated.
  6. No security headers or advanced security configurations detected.
  7. No WAF or blocking mechanisms detected; site content fully accessible.
  8. Content is safe for general audiences with no adult or explicit content detected.
Technical notes

Notes

The website is built on the ThinkPHP framework with a custom CMS, using older frontend libraries like jQuery 1.11.1 and Unslider. It employs Cloudflare DNS but does not enable DNSSEC. The site loads moderately fast but lacks advanced performance optimizations. Mobile responsiveness is basic, and accessibility features are minimal. SEO is supported by meta tags but remains basic. The infrastructure appears to be a small-scale VPS or shared hosting environment. Technical debt is evident in outdated libraries and missing security configurations. Modernization opportunities include updating frontend libraries, enhancing mobile and accessibility support, and implementing security best practices to reduce technical risks impacting business continuity.
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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