Is sidlo.biz Safe? Security Analysis for Sídlo firmy Praha a Brno, sídlo společnosti za 99,- Kč
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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
Sidlo.biz is a Czech Republic-based service provider specializing in virtual office and registered office solutions primarily in Prague and Brno. The company offers affordable monthly plans including mail handling, online reception, company formation, and related administrative services targeting small businesses and entrepreneurs. The website is professionally designed using modern web technologies such as Bootstrap, jQuery, and integrates analytics and marketing tools like Google Analytics and Facebook Pixel. Security posture is adequate with HTTPS enforced but lacks advanced security headers and explicit privacy or cookie policies. WHOIS data is unavailable, which reduces domain trustworthiness and raises moderate concerns about registration transparency. Overall, the website is functional, content-rich, and serves its niche market effectively but would benefit from improved compliance and security practices.
Detected Technologies
13 urgent findings need attention
1 critical · 12 high
- + 5 more findings in the full report below
Keep sidlo.biz 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
20/100
GDPR Compliance
4 findings
35/100
NIS2 Compliance
8 findings
17/100
Email Security
1 finding
85/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
The business operates in the real estate service sector focusing on virtual office provision. It leverages partnerships with related service providers for company formation, ready-made companies, and mail reception, creating an ecosystem of complementary services. The business model is service-based with recurring revenue from monthly subscriptions. The target market is local Czech SMEs and entrepreneurs seeking cost-effective office solutions without physical relocation. The company maintains a consistent brand presence and transparent pricing but lacks visible certifications or trust seals. Growth potential exists through expanded service offerings and enhanced digital marketing. The absence of WHOIS data and direct contact details may impact customer trust and regulatory compliance.
Security Posture Analysis
Comprehensive Security Assessment
The website enforces HTTPS and uses secure external scripts, which is positive. However, it lacks critical security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options, which are recommended to mitigate common web attacks. No evidence of exposed sensitive data or vulnerable libraries was found. The site uses secure forms for data collection but does not provide explicit security or incident response policies. There is no vulnerability disclosure or security.txt file, limiting transparency for security researchers. Privacy compliance is minimal with no clear GDPR statements or cookie consent mechanisms. Overall, the security posture is moderate but could be significantly improved with standard best practices and compliance documentation.
Strategic Recommendations
Priority Actions for Security Improvement
Implement comprehensive privacy and cookie policies with user consent mechanisms to improve GDPR compliance.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Sidlo.biz offers company registered office and virtual office services in Prague and Brno for 99 CZK per month. Services include registered office for companies and sole traders, mail receipt and scanning, forwarding, online reception, company formation and sale, and contract changes.
good
consistent
Technical Stack
moderate
good
basic
good
Security Assessment
- HTTPS enforced
- No exposed sensitive data in HTML
- Use of secure external scripts
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with no blocking or WAF detected.
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Missing Strict-Transport-Security header
HIGHForces HTTPS connections
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
👤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, Facebook, Cloudflare, 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 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
SSL Certificate Expires Within 90 Days
MEDIUMSSL certificate expires in 41 days
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 Transfer Lock Not Enabled
MEDIUMDomain can be transferred without authorization
Domain Delete Lock Not Enabled
LOWDomain can be deleted without additional verification
Domain Registration Details
- •No domain protection locks enabled
- •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
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
How does sidlo.biz compare?
See how sidlo.biz 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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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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