Is prosopo.io Safe? Security Analysis for PROSOPO LIMITED (UK)
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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
Prosopo Limited is a UK-based technology company specializing in advanced CAPTCHA and bot protection solutions. Their flagship product, Procaptcha, offers a dynamic, proof-of-work CAPTCHA system designed to provide superior bot defense while maintaining user privacy and GDPR compliance. Positioned as a cost-effective alternative to Google reCAPTCHA and hCaptcha, Prosopo targets businesses and website owners seeking robust security with minimal user friction. The company emphasizes ease of integration, customizable difficulty levels, and a privacy-first approach with no centralized data storage or user tracking. Technically, the website is built using modern web technologies including Eleventy static site generation, JavaScript libraries like PrismJS and Font Awesome, and is hosted with Cloudflare DNS services. The site demonstrates excellent mobile optimization, fast performance, and good SEO practices. Security measures include HTTPS enforcement and a Content Security Policy, though DNSSEC is not enabled. No critical vulnerabilities or exposed sensitive data were detected. From a security posture perspective, Prosopo shows strong adherence to best practices with encrypted communications and privacy compliance. However, the absence of a dedicated security policy or incident response page and lack of DNSSEC are areas for improvement. The company maintains a transparent pricing model and provides extensive documentation, customer testimonials, and trust signals enhancing business credibility. Overall, Prosopo presents a mature, professional, and trustworthy service in the cybersecurity space with a strong focus on privacy and user experience. Strategic recommendations include enabling DNSSEC, publishing a security policy, and adding a vulnerability disclosure mechanism to further strengthen trust and compliance.
Detected Technologies
10 urgent findings need attention
10 high
- + 2 more findings in the full report below
Keep prosopo.io 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
2 findings
80/100
NIS2 Compliance
9 findings
2/100
Email Security
4 findings
75/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Prosopo operates in the competitive CAPTCHA and bot protection market, differentiating itself through privacy-first design and cost-effective pricing. Their SaaS model targets small to medium businesses and enterprises needing scalable bot defense. The company leverages partnerships and integrations with popular platforms like WordPress and Shopify to expand reach. Customer testimonials and Trustpilot reviews indicate positive market reception and effective bot mitigation. The transparent pricing calculator and free tier encourage adoption. Prosopo's growth potential is supported by increasing demand for GDPR-compliant security solutions and rising costs of incumbent CAPTCHA providers. The company maintains active community engagement via Discord, GitHub, and social media, fostering a supportive ecosystem.
Security Posture Analysis
Comprehensive Security Assessment
Prosopo demonstrates a solid security posture with HTTPS enforced and a Content Security Policy in place. The website does not expose sensitive data or use vulnerable libraries. Privacy compliance is strong, with no user tracking or centralized data storage. However, the lack of DNSSEC reduces DNS security, and no explicit security policy or incident response contact is published, which could hinder vulnerability reporting and incident management. The absence of a security.txt file limits transparency for security researchers. Overall, the security maturity is good but could be enhanced by adopting additional headers (HSTS, X-Frame-Options) and formalizing security policies.
Strategic Recommendations
Priority Actions for Security Improvement
Enable DNSSEC on the domain to improve DNS security and prevent spoofing.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
PROSOPO LIMITED (UK)
Security-focused, dynamic, PoW CAPTCHA solution designed to protect against bots and automation threats. Switch from reCAPTCHA in minutes.
excellent
consistent
Technical Stack
fast
excellent
good
good
Security Assessment
- HTTPS enforced
- Content Security Policy present
- No exposed sensitive data in HTML
- No vulnerable libraries detected
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with no blocking or WAF challenges
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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
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, 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 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
SSL Certificate Expires Within 90 Days
MEDIUMSSL certificate expires in 56 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
Weak SPF Policy
HIGHSPF record has permissive policy allowing any server to send email
DMARC Policy Set to None
LOWDMARC is configured but not enforcing any policy
Domain Registration Details
- •Privacy/proxy registration detected
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 prosopo.io compare?
See how prosopo.io 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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