Is heyflow.app Safe? Security Analysis for Heyflow GmbH
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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
Heyflow GmbH operates a sophisticated SaaS platform focused on converting website visitors into qualified leads through interactive, no-code funnels and landing pages. The company targets lead generation marketers and businesses seeking to optimize paid marketing campaigns with a comprehensive solution that includes over 50 integrations, analytics, and customization options. Their market position is solid, supported by thousands of customers and positive reviews on major platforms like G2 and Capterra. Technically, Heyflow leverages modern web technologies including Eleventy for static site generation, Cloudflare for DNS and CDN, and Matomo alongside Google Analytics for data insights. The website is fast, mobile-optimized, and SEO-friendly, reflecting a mature digital infrastructure. Security-wise, the site enforces HTTPS, employs clientTransferProhibited domain status, and integrates consent management via Usercentrics, although explicit security headers and a dedicated security policy page are absent. Overall, Heyflow demonstrates a strong security posture with room for improvement in transparency and incident response readiness. The business is credible, transparent, and compliant with GDPR, making it a trustworthy platform in the marketing technology space.
Detected Technologies
7 urgent findings need attention
7 high
Keep heyflow.app 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
65/100
NIS2 Compliance
6 findings
47/100
Email Security
3 findings
85/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Heyflow's business model centers on providing an all-in-one marketing funnel and landing page builder that reduces complexity and cost for marketers. Their competitive advantage lies in combining multiple tools into a single platform with extensive integrations and customization capabilities. Revenue streams likely include tiered subscription plans ranging from individual to enterprise levels. The target customer segments include B2B and B2C marketers, agencies, and enterprises across various industries such as solar, real estate, insurance, and financial services. Growth indicators include a large customer base, positive user reviews, and continuous product updates. The partnership ecosystem includes integrations with major platforms like Google, Meta, LinkedIn, and TikTok. Strategic observations highlight Heyflow's focus on ease of use, mobile-first design, and data-driven optimization to capture and convert leads effectively.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Company Registration
Heyflow GmbH
DE328081264
Security Posture Analysis
Comprehensive Security Assessment
Heyflow exhibits a mature security posture with mandatory HTTPS, domain transfer protection, and GDPR-compliant consent management. The platform incorporates lead validation features such as phone number verification and SMS OTP to ensure data quality. However, the absence of a publicly accessible security policy and incident response contacts indicates gaps in transparency and preparedness. No vulnerabilities or exposed sensitive data were detected in the analysis. The use of reputable third-party services and modern web standards further strengthens security. Compliance with GDPR is evident, but additional certifications or formal frameworks like ISO 27001 are not disclosed. Overall, Heyflow maintains a secure environment suitable for handling marketing data, with recommendations to enhance policy disclosures and incident readiness.
Strategic Recommendations
Priority Actions for Security Improvement
Publish explicit security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options to enhance browser security.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Heyflow GmbH
Create interactive lead funnels, multi-step forms and customized landing pages that drive conversions and engage your website visitors—without writing any code.
excellent
consistent
Technical Stack
fast
excellent
good
excellent
Security Assessment
- HTTPS enforced
- ClientTransferProhibited domain status
- Consent management implemented
- Lead validation features (phone validation, SMS OTP)
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is professionally designed and well-structured.
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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 Policy found
HIGHGDPR requires clear information about cookie usage
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 vulnerability disclosure policy
MEDIUMNIS2 encourages coordinated vulnerability disclosure
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
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📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
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 84 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
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 heyflow.app 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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