Is threesigma.xyz Safe? Security Analysis for Three Sigma
https://threesigma.xyzCheck if threesigma.xyz is a scam or legitimate. Free security scan and reviews.
Below Technology avg (72)
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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
Three Sigma is a specialized blockchain security and DeFi audit service provider focused on securing Web3 projects through comprehensive smart contract and economic audits. The company positions itself as a full-spectrum security partner for crypto projects, boasting over 100 audits completed and billions in client assets protected. Their target audience includes blockchain developers, DeFi protocols, and Web3 projects seeking to enhance security and economic sustainability. The website demonstrates a high level of professionalism, with detailed service offerings and client testimonials that reinforce their market credibility. Technically, the website is built on modern frameworks such as Next.js and React, hosted on Vercel, and integrates multiple analytics and tracking tools including Vercel Analytics, Microsoft Clarity, Hotjar, and Google Analytics. The site is well-optimized for performance, mobile responsiveness, and SEO, reflecting a mature digital infrastructure. Security best practices are observed with HTTPS enforcement and appropriate security headers, although explicit security policies and incident response information are not publicly detailed. From a security posture perspective, the site shows strong HTTPS and header configurations, no exposed sensitive data, and no visible vulnerabilities in third-party libraries. However, the absence of privacy and cookie policies, as well as lack of explicit contact information for security incidents, represents areas for improvement. The WHOIS data aligns well with the business claims, showing consistent registration details and domain age appropriate for the company's experience. Overall, the website is trustworthy and professional, with a strong technical foundation and clear business focus. Strategic recommendations include publishing comprehensive privacy and cookie policies, establishing a vulnerability disclosure program, and providing clear incident response contacts to enhance trust and compliance.
Detected Technologies
9 urgent findings need attention
9 high
- + 1 more findings in the full report below
Keep threesigma.xyz 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
7 findings
30/100
GDPR Compliance
3 findings
68/100
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
Three Sigma operates in the blockchain security and DeFi audit sector, targeting Web3 projects that require robust security and economic analysis. Their competitive advantage lies in offering both code audits and economic modeling services, addressing a broad spectrum of security needs in the crypto space. The business model is service-oriented, generating revenue through audits and consulting engagements. The presence of high-profile clients and detailed case studies suggests a growing market presence and a strong partnership ecosystem. The company emphasizes quality and professionalism, which is reflected in their website content and client testimonials. Growth indicators include a portfolio of over 100 audits and billions in secured assets, positioning them as a trusted security partner in the blockchain industry.
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a mature security posture with HTTPS enabled and multiple security headers implemented, reducing common web vulnerabilities. There is no evidence of exposed sensitive data or use of vulnerable libraries. However, the lack of published security policies, incident response procedures, and vulnerability disclosure mechanisms indicates gaps in transparency and readiness for security incidents. Compliance with GDPR and other privacy regulations is not clearly addressed, and no cookie consent mechanism is present. The use of multiple tracking and analytics tools suggests moderate user tracking, which should be balanced with privacy compliance. Overall, the security maturity is good but can be enhanced by formalizing policies and improving user privacy controls.
Strategic Recommendations
Priority Actions for Security Improvement
Publish a comprehensive privacy policy detailing data collection, usage, and GDPR compliance.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Three Sigma
Secure and scale your Web3 projects with Three Sigma. We deliver high-quality blockchain security and DeFi audits, ensuring your projects' success!
excellent
consistent
Technical Stack
fast
excellent
good
good
Security Assessment
- HTTPS enforced
- No exposed sensitive data in HTML
- Use of modern JavaScript frameworks
- No visible vulnerable libraries
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is professionally designed with clear branding and consistent messaging.
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
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 Cookie Consent Banner found
HIGHGDPR requires explicit consent for non-essential cookies
No Data Protection Officer mentioned
LOWLarge organizations may need to designate a DPO under GDPR
Privacy policy may not be GDPR compliant
MEDIUMPrivacy policy lacks explicit GDPR compliance elements
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 52 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
Domain Delete Lock Not Enabled
LOWDomain can be deleted without additional verification
No DMARC Record
MEDIUMDMARC policy not configured
Domain Registration Details
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 threesigma.xyz compare?
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🔧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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