Is byeoon.dev Safe? Security Analysis for byeoon
https://byeoon.devCheck if byeoon.dev is a scam or legitimate. Free security scan and reviews.
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SEQ SIA
Lastadijas 12 k-3, Riga, Latvia, LV-1050
Reg. No. 40203410806 • VAT LV40203410806
Support: guard@offseq.com • +371 2256 5353
AI Summary
The website byeoon.dev is a personal portfolio site for an individual programmer named byeoon. The site showcases the developer's skills in software, web, and backend/fullstack development, along with personal projects and social media links. The target audience is general users interested in the developer's work and projects. The business model is primarily personal branding and project sharing without commercial transactions. The site positions itself as a small-scale personal developer portfolio within the technology industry. Technically, the site uses standard web technologies including HTML5, CSS, JavaScript, and popular libraries such as jQuery, particles.js, and moment-timezone. The site is moderately optimized for performance and mobile devices, with basic accessibility and SEO features. Hosting and CMS details are not explicitly provided. Navigation is handled via JavaScript with hash-based menu changes. From a security perspective, the site lacks explicit security headers and privacy or cookie policies, which reduces its compliance posture. No forms or sensitive data collection mechanisms are present, reducing attack surface. The site uses HTTPS (assumed from URL) but SSL configuration details are unknown. No vulnerability disclosures or incident response contacts are provided. The domain uses privacy protection for WHOIS data, which is typical for personal sites. Overall, the site is safe, professional, and trustworthy as a personal developer portfolio. However, it would benefit from adding privacy and cookie policies, security headers, and improving accessibility and SEO. The risk level is low given the nature of the site and lack of sensitive data collection. Strategic recommendations include enhancing security posture and compliance documentation to improve trust and professionalism.
Detected Technologies
13 urgent findings need attention
13 high
- + 5 more findings in the full report below
Keep byeoon.dev under constant watch
Guard tracks your live infrastructure daily: certificate expiry, DNS & mail authentication drift, uptime changes, subdomain inventory, and unexpected tracker or content shifts. A full timeline captures every diff so you can prove remediation and spot regressions instantly.
Security drift alerts
Risk score drops, new high-severity issues, and header hardening gaps
Compliance watch
GDPR / NIS2 posture changes with governance evidence snapshots
Infrastructure surface
Unexpected open services, SSL expiry, DNS & email authentication changes
Content & tracker intelligence
Marketing tech shifts, analytics drift, and AI recommendation updates
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Security Headers
8 findings
15/100
GDPR Compliance
4 findings
35/100
NIS2 Compliance
9 findings
2/100
Email Security
4 findings
70/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
byeoon.dev operates as a personal developer portfolio showcasing software and web development skills and projects. The site targets tech-savvy users and potential collaborators or employers interested in the developer's work. The business model is non-commercial, focusing on personal branding and open-source contributions. The site links to multiple related developer and personal sites, indicating a networked community presence. There are no indications of revenue streams or commercial partnerships. The site maintains a moderate level of professionalism with consistent branding and project presentation. Growth indicators include active GitHub repositories and social media presence. The partnership ecosystem is informal, consisting of peer developer sites. Strategic observations suggest focusing on expanding project visibility and adding compliance documentation to enhance credibility.
Security Posture Analysis
Comprehensive Security Assessment
The security maturity of byeoon.dev is basic. The site uses HTTPS but lacks visible security headers such as Content-Security-Policy or Strict-Transport-Security. No forms or user input fields reduce risk exposure. There is no evidence of vulnerability disclosure or incident response readiness. Privacy and cookie policies are absent, indicating compliance gaps with GDPR and similar regulations. No sensitive data or credentials are exposed in the HTML content. The use of external libraries with integrity attributes is a positive security practice. Overall, the site is low risk but would benefit from implementing security headers, formal privacy documentation, and a vulnerability disclosure policy to improve security culture and compliance.
Strategic Recommendations
Priority Actions for Security Improvement
Implement standard security headers including Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
byeoon
programmer who does a lot of things. my favorite games are cyberpunk 2077, vrchat, roblox, persona, and more.
good
moderate
Technical Stack
moderate
basic
basic
basic
Security Assessment
- No forms detected to collect sensitive data
- No exposed credentials or sensitive data in HTML
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is a personal portfolio for a programmer named byeoon.
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Missing Strict-Transport-Security header
HIGHForces HTTPS connections
Missing X-Frame-Options header
HIGHPrevents clickjacking attacks
Missing X-Content-Type-Options header
MEDIUMPrevents MIME type sniffing
Missing Content-Security-Policy header
HIGHControls resources the browser is allowed to load
Missing X-XSS-Protection header
MEDIUMLegacy XSS protection (deprecated but still recommended)
Missing Referrer-Policy header
LOWControls referrer information sent with requests
Missing Permissions-Policy header
MEDIUMControls browser features and APIs
Sensitive data may be cached
LOWCache-Control header should include "no-store" for sensitive pages
👤GDPR Compliance
Privacy and data protection assessment under GDPR regulations.
GDPR Compliance
Privacy and data protection assessment
No Privacy Policy found
HIGHGDPR requires a clear and accessible privacy policy
No Cookie Policy found
HIGHGDPR requires clear information about cookie usage
No Cookie Consent Banner found
HIGHGDPR requires explicit consent for non-essential cookies
Third-party services without privacy policy
HIGHDetected services: YouTube, Cloudflare
GDPR Compliance Analysis
🛡️NIS2 Compliance
Network & Information Security Directive compliance assessment.
NIS2 Compliance
Network & Information Security Directive
No information security framework found
HIGHNIS2 requires documented cybersecurity and information security measures
No vulnerability disclosure policy
MEDIUMNIS2 encourages coordinated vulnerability disclosure
No security policy documentation found
HIGHNIS2 requires documented cybersecurity governance and risk management
No incident response procedures found
HIGHNIS2 requires documented incident response and business continuity plans
No business continuity planning found
MEDIUMNIS2 emphasizes operational resilience and business continuity
No security contact information
HIGHNIS2 requires clear incident reporting channels
No vulnerability reporting mechanism
MEDIUMClear vulnerability reporting supports coordinated disclosure
No NIS2 reference found
LOWConsider explicitly mentioning NIS2 compliance efforts
Critical sector without clear security compliance
HIGHDetected sectors: transport, digital
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📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
No DKIM record found
MEDIUMDKIM adds cryptographic signatures to emails
No BIMI Record
LOWBIMI displays brand logos in email clients
No MTA-STS Policy
MEDIUMMTA-STS enforces TLS for email delivery
No TLS-RPT Record
LOWTLS-RPT provides reporting for email TLS issues
SPF Details
🏆SSL/TLS Security
Certificate validity and encryption analysis.
SSL/TLS Security
Certificate validity and encryption analysis
SSL Certificate Expires Within 90 Days
MEDIUMSSL certificate expires in 34 days
Weak SSL Key Length
HIGHSSL certificate uses 256-bit key, which is considered weak
Partial SSL/TLS Assessment
LOWCompleted 2 of 4 security checks due to time constraints
Certificate Details
OCSP Status
📊DNS Health
DNS configuration and security assessment.
DNS Health
DNS configuration and security assessment
DNSSEC Not Enabled
MEDIUMDNSSEC is not configured for this domain
CAA Records Not Configured
LOWCertificate Authority Authorization (CAA) records not found
No DMARC Record
MEDIUMDMARC policy not configured
DNS Records
DNSSEC Status
DNS Performance
SPF Analysis
⚡Network Security
Port scanning and network exposure analysis.
Network Security
Port scanning and network exposure analysis
Good Network Security Posture
LOWNo unnecessary services detected on common risky ports
How does byeoon.dev compare?
See how byeoon.dev stacks up against similar websites in the same industry.
🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Technical Analysis
Comprehensive security assessment findings
Additional Findings
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PDF Report & Export
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Marketing Intelligence
Contact emails, phone numbers & warm leads
Plan Comparison
| Feature | PDF Report | Marketing+ |
|---|---|---|
| Full security analysis | ||
| Professional PDF export | ||
| Email delivery | ||
| Lifetime access + unlock code | ||
| Contact emails & phones | — | |
| Marketing outreach data | — |
Already purchased?
Order summary
Digital reports are delivered immediately after payment. By continuing you acknowledge the withdrawal waiver described in our Returns & Refunds policy.
Secure payments processed via EveryPay. Prices in EUR; Incl. 21% VAT.
SEQ SIA
Lastadijas 12 k-3, Riga, Latvia, LV-1050
Reg. No. 40203410806 • VAT LV40203410806
Support: guard@offseq.com • +371 2256 5353
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