Is sl-one.cz Safe? Security Analysis for SL One s.r.o.
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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
SL One s.r.o. operates as an investment special purpose vehicle (SPV) founded by colleagues from the legal firm SEDLAKOVA LEGAL. The company provides a unique employee benefit allowing its staff to invest alongside each other in promising startups, sharing both risks and profits. The business model focuses on supporting startups with capital and legal backing, targeting employees of the parent legal firm and innovative startups seeking investment. The website is professionally designed, well-structured, and optimized for mobile devices, reflecting a small but focused enterprise in the Czech Republic. Technically, the website leverages modern JavaScript frameworks, Google Tag Manager, Google Analytics, and Facebook Pixel for marketing and analytics purposes. It is built on the Solidpixels CMS platform and employs HTTPS with good SSL configuration. However, explicit security headers such as CSP and HSTS are not detected, indicating room for improvement in security hardening. Privacy and cookie policies are present and GDPR compliant, with a functional cookie consent mechanism. From a security perspective, the site demonstrates a moderate security posture with secure forms and no visible vulnerabilities. The absence of WHOIS data limits domain legitimacy verification, which slightly impacts trust scores. No direct contact emails or phone numbers are published, with communication facilitated solely through a contact form. No social media presence is linked from the site. Overall, SL One presents a credible and professional investment vehicle with a niche market focus. Enhancing domain transparency and security headers would strengthen trust and security posture. The site is safe for general audiences with no adult or questionable content detected.
Detected Technologies
12 urgent findings need attention
1 critical · 11 high
- + 4 more findings in the full report below
Keep sl-one.cz 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
2 findings
80/100
GDPR Compliance
4 findings
25/100
NIS2 Compliance
8 findings
17/100
Email Security
2 findings
65/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
SL One is positioned as a niche investment SPV closely tied to a legal practice, offering employees a unique opportunity to co-invest in startups. This model leverages the legal expertise and capital of its members to support innovative ventures. The company targets a specialized audience of legal professionals and startups, differentiating itself from traditional investment funds by emphasizing shared risk and legal support. The business model likely generates revenue through investment returns and possibly management fees. The website content and structure suggest a small-sized enterprise with a focused operational scope. The absence of public contact details and social media presence indicates a controlled communication strategy, possibly to maintain exclusivity and privacy. The use of modern marketing tools and analytics reflects a digitally mature approach to audience engagement.
Security Posture Analysis
Comprehensive Security Assessment
The website employs HTTPS with a valid SSL certificate, ensuring encrypted communications. It uses cookie consent mechanisms aligned with GDPR requirements, indicating awareness of privacy regulations. However, the lack of explicit security headers such as Content Security Policy (CSP), HTTP Strict Transport Security (HSTS), and X-Frame-Options reduces the overall security hardening. No vulnerabilities or exposed sensitive data were detected in the analysis. The contact form includes input validation and anti-spam measures, enhancing security for user submissions. The absence of a published security policy, incident response plan, or vulnerability disclosure program suggests limited formal security governance. Overall, the security posture is moderate but could be improved by implementing additional HTTP security headers and publishing security-related policies.
Strategic Recommendations
Priority Actions for Security Improvement
Implement and enforce HTTP security headers including CSP, HSTS, and X-Frame-Options to enhance protection against common web attacks.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
SL One s.r.o.
SL One is an investment SPV founded by colleagues from SEDLAKOVA LEGAL. It offers a unique employee benefit and a way to jointly support successful startups. The company enables its employees to invest alongside colleagues, sharing risks and profits in startups.
good
consistent
Technical Stack
moderate
good
basic
good
Security Assessment
- HTTPS enforced
- Cookie consent banner with opt-in/out
- Form input validation
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
Weak Referrer-Policy configuration
LOWCurrent value: "no-referrer-when-downgrade"
👤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
EU business without adequate privacy measures
CRITICALEU businesses are subject to strict GDPR requirements
Third-party services without privacy policy
HIGHDetected services: Google Analytics, Google APIs
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
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📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
No DMARC record found
HIGHDMARC provides email authentication and reporting
No DKIM record found
MEDIUMDKIM adds cryptographic signatures to emails
SPF Details
DMARC Details
MTA-STS 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 51 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
CAA Records Not Configured
LOWCertificate Authority Authorization (CAA) records not found
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 sl-one.cz compare?
See how sl-one.cz 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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