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Is threesigma.xyz a Scam? Security Check Results - Three Sigma Reviews

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Is threesigma.xyz Safe? Security Analysis for Three Sigma

Check if threesigma.xyz is a scam or legitimate. Free security scan and reviews.

TechnologyN/asmall
ReactNext.jsVercel AnalyticsVercel Speed InsightsHotjar+3 more
Analyzed 9/6/2025Completed 5:25:15 AM
63
Security Score
MEDIUM RISK

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

ReactNext.jsVercel AnalyticsVercel Speed InsightsHotjarMicrosoft ClarityTwitter Universal Website TagBing Ads

🧠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.

Extracted Contact Information

Marketing Intelligence Data

Email Addresses (2)

o*****@threesigma.xyzFollow
i*****@threesigma.xyz

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

1

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

Company:

Three Sigma

Description:

Secure and scale your Web3 projects with Three Sigma. We deliver high-quality blockchain security and DeFi audits, ensuring your projects' success!

Key Services:
Smart Contract AuditSolidity AuditRust Smart Contract AuditMove AuditsdApp AuditBlockchain Bridge AuditEconomic AuditTokenomics AuditEcosystem Risk AssessmentPoints & Incentives Program Design
Content Quality:

excellent

Branding:

consistent

Technical Stack

Technologies:
ReactNext.jsVercel AnalyticsVercel Speed InsightsHotjarMicrosoft ClarityTwitter Universal Website TagBing Ads
Frameworks:
Next.jsReact
Platforms:
Vercel
Performance:

fast

Mobile:

excellent

Accessibility:

good

SEO:

good

Security Assessment

Security Score:
90/100
Best Practices:
  • HTTPS enforced
  • No exposed sensitive data in HTML
  • Use of modern JavaScript frameworks
  • No visible vulnerable libraries

Analytics & Tracking

Services:
Vercel AnalyticsMicrosoft ClarityHotjarGoogle Analytics (via GTM)
Tracking Level:moderate
Privacy Compliance:basic

Advertising & Marketing

Ad Networks:
Bing AdsTwitter Ads
Tracking Pixels:
Microsoft ClarityHotjarGoogle Analytics (via GTM)
Marketing Tools:
Termly (cookie consent and policy management)
Transparency Level:good

Website Quality Assessment

Design Quality:excellent
User Experience:excellent
Content Relevance:excellent
Navigation Clarity:excellent
Professionalism:excellent
Trustworthiness:high

Key Observations

1

Website is professionally designed with clear branding and consistent messaging.

🛡️Security Headers

HTTP security headers analysis and recommendations.

Security Headers

HTTP security headers analysis

30/100
Score

Missing X-Frame-Options header

HIGH

Prevents clickjacking attacks

Missing X-Content-Type-Options header

MEDIUM

Prevents MIME type sniffing

Missing Content-Security-Policy header

HIGH

Controls resources the browser is allowed to load

Missing X-XSS-Protection header

MEDIUM

Legacy XSS protection (deprecated but still recommended)

Missing Referrer-Policy header

LOW

Controls referrer information sent with requests

Missing Permissions-Policy header

MEDIUM

Controls browser features and APIs

Sensitive data may be cached

LOW

Cache-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

68/100
Score

No Cookie Consent Banner found

HIGH

GDPR requires explicit consent for non-essential cookies

No Data Protection Officer mentioned

LOW

Large organizations may need to designate a DPO under GDPR

Privacy policy may not be GDPR compliant

MEDIUM

Privacy policy lacks explicit GDPR compliance elements

GDPR Compliance Analysis

Privacy Policy85% confidence
Cookie Policy85% confidence
Contact Information Found90% confidence
emailphone

🛡️NIS2 Compliance

Network & Information Security Directive compliance assessment.

NIS2 Compliance

Network & Information Security Directive

2/100
Score

No information security framework found

HIGH

NIS2 requires documented cybersecurity and information security measures

No vulnerability disclosure policy

MEDIUM

NIS2 encourages coordinated vulnerability disclosure

No security policy documentation found

HIGH

NIS2 requires documented cybersecurity governance and risk management

No incident response procedures found

HIGH

NIS2 requires documented incident response and business continuity plans

No business continuity planning found

MEDIUM

NIS2 emphasizes operational resilience and business continuity

No security contact information

HIGH

NIS2 requires clear incident reporting channels

No vulnerability reporting mechanism

MEDIUM

Clear vulnerability reporting supports coordinated disclosure

No NIS2 reference found

LOW

Consider explicitly mentioning NIS2 compliance efforts

Critical sector without clear security compliance

HIGH

Detected sectors: transport, digital

📧Email Security

SPF, DKIM, and DMARC validation and email security assessment.

Email Security

SPF, DKIM, and DMARC validation

70/100
Score

No DKIM record found

MEDIUM

DKIM adds cryptographic signatures to emails

No BIMI Record

LOW

BIMI displays brand logos in email clients

No MTA-STS Policy

MEDIUM

MTA-STS enforces TLS for email delivery

No TLS-RPT Record

LOW

TLS-RPT provides reporting for email TLS issues

SPF
Sender Policy Framework
DKIM
DomainKeys Identified Mail
DMARC
Domain-based Message Authentication
MX Records
Mail Exchange Records
BIMI
Brand Indicators
MTA-STS
Mail Transfer Agent Security
TLS-RPT
TLS Reporting
DNSSEC
DNS Security
SPF Details
Record:
v=spf1 include:dc-aa8e722993._spfm.threesigma.xyz ~all
DNS Lookups:1/10
Policy:~all

🏆SSL/TLS Security

Certificate validity and encryption analysis.

SSL/TLS Security

Certificate validity and encryption analysis

75/100
Score

SSL Certificate Expires Within 90 Days

MEDIUM

SSL certificate expires in 52 days

Weak SSL Key Length

HIGH

SSL certificate uses 256-bit key, which is considered weak

Partial SSL/TLS Assessment

LOW

Completed 2 of 4 security checks due to time constraints

Certificate Details

Subject:threesigma.xyz
Issuer:WE1
Valid Until:10/28/2025 (52 days)
SANs:threesigma.xyz, *.threesigma.xyz

OCSP Status

OCSP Stapling Disabled

📊DNS Health

DNS configuration and security assessment.

DNS Health

DNS configuration and security assessment

70/100
Score

DNSSEC Not Enabled

MEDIUM

DNSSEC is not configured for this domain

CAA Records Not Configured

LOW

Certificate Authority Authorization (CAA) records not found

Domain Delete Lock Not Enabled

LOW

Domain can be deleted without additional verification

No DMARC Record

MEDIUM

DMARC policy not configured

Domain Registration Details

Domain Age
3 years(established)
Expiry Risk
none(875 days)
Protection Level
basicDNSSEC OFF

DNS Records

A Records:104.21.80.1, 104.21.48.1, 104.21.32.1, 104.21.64.1, 104.21.112.1, 104.21.16.1, 104.21.96.1
AAAA Records:2606:4700:3030::6815:5001, 2606:4700:3030::6815:1001, 2606:4700:3030::6815:6001, 2606:4700:3030::6815:7001, 2606:4700:3030::6815:3001, 2606:4700:3030::6815:4001, 2606:4700:3030::6815:2001
Name Servers:
jeremy.ns.cloudflare.com
ligia.ns.cloudflare.com
MX Records:
10: alt3.aspmx.l.google.com
10: alt4.aspmx.l.google.com
5: alt1.aspmx.l.google.com
5: alt2.aspmx.l.google.com
1: aspmx.l.google.com
SOA:Serial: 2382342493, TTL: 1800s

DNSSEC Status

DNSSEC Not Enabled

DNS Performance

Resolution Time:99ms

SPF Analysis

SPF Record:
v=spf1 include:dc-aa8e722993._spfm.threesigma.xyz ~all

Network Security

Port scanning and network exposure analysis.

Network Security

Port scanning and network exposure analysis

100/100
Score

Good Network Security Posture

LOW

No unnecessary services detected on common risky ports

🔧Technical Analysis

Detailed technical findings and analysis from AI assessment.

Technical Analysis

Comprehensive security assessment findings

Additional Findings

The website is built using modern web technologies including React and Next.js, hosted on Vercel, which supports fast loading times and scalability. The integration of analytics and user behavior tracking tools like Hotjar and Microsoft Clarity indicates a focus on user experience optimization. The site is mobile-optimized and accessible, with good SEO practices evident in meta tags and structured content. There is no indication of technical debt or outdated components. Opportunities for modernization include adding structured security and privacy documentation and enhancing compliance features. Technical risks are minimal but should be monitored with respect to third-party script usage and privacy regulations.
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