Is 28stone.com Safe? Security Analysis for 28Stone Consulting
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28Stone Consulting is a specialized software consulting company focused on delivering cutting-edge custom software solutions for the financial services industry, including sell-side, buy-side, market venues, and brokers. Founded in 2011 and headquartered in New York, the company has established itself as a trusted partner to leading financial institutions, demonstrated by its extensive client portfolio and industry awards. Their key services include software development for capital markets, legacy system modernization, and electronic trading platform development. The company leverages modern technologies such as React, Next.js, OpenFin, and Cloud9 to deliver scalable and innovative solutions. Technically, the website reflects a mature digital infrastructure with a modern tech stack, good performance, and mobile optimization. The use of asynchronous scripts and integration with analytics and marketing tools like Google Analytics and HubSpot indicates a data-driven approach to user engagement. However, some security headers are missing, and DNSSEC is not enabled, suggesting areas for improvement in security hardening. From a security perspective, the site enforces HTTPS and employs domain transfer protection, but lacks published security policies, incident response contacts, and vulnerability disclosure mechanisms. Privacy compliance is weak, with no visible privacy or cookie policies, which could expose the company to regulatory risks. Overall, the security posture is solid but could benefit from enhanced transparency and technical controls. The overall risk assessment is moderate to low, with no critical vulnerabilities detected. Strategic recommendations include implementing comprehensive privacy and cookie policies, enabling DNSSEC, adding security headers, and publishing security and incident response information to enhance trust and compliance. These steps will strengthen the company's security culture and regulatory posture while maintaining its strong market position.
Detected Technologies
12 urgent findings need attention
1 critical · 11 high
- + 4 more findings in the full report below
Keep 28stone.com 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
4 findings
65/100
GDPR Compliance
4 findings
35/100
NIS2 Compliance
9 findings
2/100
Email Security
5 findings
70/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
28Stone occupies a niche in the financial technology consulting market, targeting sophisticated financial institutions requiring custom software solutions. Their competitive advantage lies in deep domain expertise, experienced leadership, and partnerships with technology providers like OpenFin and Cloud9. The business model is service-oriented, focusing on bespoke software development and modernization projects. Revenue streams likely derive from consulting contracts and software delivery engagements. The company demonstrates growth through industry recognition and a broad client base, including major financial firms. The partnership ecosystem includes technology vendors and industry bodies, reinforcing their market credibility. Operationally, 28Stone emphasizes agile methodologies and cross-functional squads to mitigate concentration risk and scale delivery effectively.
Security Posture Analysis
Comprehensive Security Assessment
The security maturity level of 28Stone's web presence is moderate. HTTPS is enforced, and domain transfer protection is active, indicating basic security hygiene. However, the absence of DNSSEC and some critical security headers such as Content-Security-Policy and X-Content-Type-Options suggests incomplete implementation of best practices. No evidence of exposed sensitive data or vulnerable libraries was found. The lack of published security policies, incident response contacts, or vulnerability disclosure channels indicates gaps in transparency and preparedness. Compliance with GDPR and other data protection regulations is unclear due to missing privacy and cookie policies. The company should prioritize these areas to improve its security culture and regulatory compliance. Overall, the security posture is adequate for a consulting firm but requires enhancements to meet higher standards.
Strategic Recommendations
Priority Actions for Security Improvement
Implement and publish a comprehensive privacy policy and cookie policy with clear GDPR compliance statements.
✨Observations
Comprehensive website and business-context analysis.
AI-Enhanced Website Analysis
Business Insights
28Stone Consulting
28Stone builds cutting edge custom software technology for the financial services industry, focusing on sell-side, buy-side, market venues, brokers, and other financial market participants.
excellent
consistent
Technical Stack
fast
excellent
good
good
Security Assessment
- HTTPS enforced
- ClientTransferProhibited domain status
- No DNSSEC (not enabled)
- No exposed sensitive data in HTML
- Use of async scripts to improve performance
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with rich content and no blocking detected.
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Missing Content-Security-Policy header
HIGHControls resources the browser is allowed to load
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: Google Analytics, LinkedIn
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: energy, transport, banking, digital
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📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
DMARC not enforcing
MEDIUMDMARC policy is set to "none"
No DMARC reporting
LOWDMARC aggregate reports not configured
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
DKIM Selectors Found
DMARC Details
🏆SSL/TLS Security
Certificate validity and encryption analysis.
SSL/TLS Security
Certificate validity and encryption analysis
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
DMARC Policy Set to None
LOWDMARC is configured but not enforcing any policy
DNS Records
DNSSEC Status
DNS Performance
SPF Analysis
⚡Network Security
Port scanning and network exposure analysis.
Network Security
Port scanning and network exposure analysis
High-Risk Service Exposed: FTP
HIGHPort 21 (FTP) is publicly accessible - FTP - Often unencrypted file transfer
Service Exposed: SSH
MEDIUMPort 22 (SSH) is publicly accessible - SSH - Secure but can be brute-forced
Critical Service Exposed: MySQL
CRITICALPort 3306 (MySQL) is publicly accessible - MySQL - Database server
Dark Web Exposure
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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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