Is a16z.com Safe? Security Analysis for Andreessen Horowitz
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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
Andreessen Horowitz (a16z) is a prominent venture capital firm based in Silicon Valley, California, established in 2009. The firm focuses on investing in innovative technology startups and entrepreneurs across multiple sectors including AI, Bio + Health, Consumer, Crypto, Enterprise, Fintech, and more. The website reflects a mature digital presence with professional design, comprehensive SEO, and structured data, targeting founders and innovators in the technology space. Technically, the site is built on WordPress with a modern tech stack including various analytics and marketing tools, hosted with reputable providers and employing HTTPS with security headers. Security posture is strong with domain locks and CSP headers, though DNSSEC is not enabled and explicit security policies or incident response pages are absent. Privacy compliance is partially addressed with privacy and cookie policies present, but no active consent mechanism is detected. Overall, the site is trustworthy, professional, and well-maintained, with room for improvement in security transparency and privacy consent mechanisms.
Detected Technologies
7 urgent findings need attention
7 high
Keep a16z.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
75/100
GDPR Compliance
2 findings
83/100
NIS2 Compliance
9 findings
2/100
Email Security
4 findings
80/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
The company holds a leading position in the venture capital market, focusing on technology-driven startups. Its business model revolves around funding and supporting innovative founders and entrepreneurs. The firm operates multiple subsidiary domains for specialized investment areas such as crypto and speedrun initiatives. The website's content and structure indicate a clear focus on technology and finance sectors, targeting startups and investors. The presence of extensive marketing and analytics tools suggests a data-driven approach to audience engagement and growth. The firm maintains active social media channels to enhance brand visibility and community engagement. No direct contact information is publicly displayed, which is typical for such firms, relying instead on web forms and social media for communication.
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a good security posture with HTTPS enforced and multiple domain status locks preventing unauthorized domain changes. The use of Content-Security-Policy header enhances protection against certain web attacks. However, DNSSEC is not enabled, which could be a potential area for DNS security improvement. No explicit security or incident response policies are published, and no vulnerability disclosure or security.txt files are found, which could be improved to enhance transparency and trust. The absence of an active cookie consent mechanism may pose compliance risks under GDPR. No exposed sensitive data or vulnerable libraries were detected in the HTML content. Overall, the security posture is strong but could benefit from enhanced transparency and additional security headers.
Strategic Recommendations
Priority Actions for Security Improvement
Enable DNSSEC to improve DNS security and prevent spoofing.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Andreessen Horowitz
Andreessen Horowitz (a16z) is a venture capital firm in Silicon Valley, California, investing in bold founders, innovators, and entrepreneurs building the future through technology.
excellent
consistent
Technical Stack
fast
excellent
good
excellent
Security Assessment
- HTTPS enforced
- Domain status includes clientDeleteProhibited, clientTransferProhibited, clientUpdateProhibited, serverDeleteProhibited, serverTransferProhibited, serverUpdateProhibited
- No DNSSEC enabled (potential improvement area)
- No exposed emails or phone numbers in HTML
- Use of security headers (CSP)
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website uses HTTPS with strong security headers.
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Weak X-XSS-Protection configuration
LOWCurrent value: "0"
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 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: energy, transport, health, digital
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📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
Complex SPF record
LOWToo many include statements can cause lookup limits
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
Weak Protocols Supported
HIGHServer supports weak protocols: TLSv1.1
OCSP Stapling Not Enabled
LOWOCSP stapling improves performance and privacy
Certificate Transparency Not Implemented
LOWCertificate is not logged in Certificate Transparency logs
SSL Certificate Expires Within 90 Days
MEDIUMSSL certificate expires in 62 days
Weak SSL Key Length
HIGHSSL certificate uses 256-bit key, which is considered weak
Partial SSL/TLS Assessment
LOWCompleted 3 of 4 security checks due to time constraints
Protocol Support
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
Domain Registration Details
DNS Records
DNSSEC Status
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 a16z.com 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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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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