Is o2media.cz Safe? Security Analysis for O2 Czech Republic a.s
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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
O2 Media is a marketing and advertising service leveraging unique customer data from the O2 telecommunications operator in the Czech Republic. The website presents various data-driven advertising solutions such as call-me-back SMS, direct email marketing, RTB segments, localization messaging, and retargeting. The business operates as part of O2 Czech Republic a.s, with a domain registered since 2014, indicating a stable presence in the market. Technically, the website uses modern JavaScript libraries, Google Analytics, Hotjar, and a consent management platform to comply with GDPR requirements. However, explicit privacy policies and terms of service are not found on the site, which is a compliance gap. Security posture is good with HTTPS and consent management but lacks visible security headers and incident response information. Overall, the site is professional but could improve transparency and security practices.
Detected Technologies
14 urgent findings need attention
1 critical · 13 high
- + 6 more findings in the full report below
Keep o2media.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
8 findings
15/100
GDPR Compliance
5 findings
10/100
NIS2 Compliance
9 findings
2/100
Email Security
5 findings
70/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
The company targets marketing professionals and businesses seeking advanced, data-driven advertising solutions using telecommunications data. Its competitive advantage lies in leveraging operator data for precise audience segmentation and campaign optimization. The business model focuses on providing advertising formats and campaign management services, including real-time optimization and retargeting. The website links to related O2 services, indicating a partnership ecosystem within the O2 group. Growth indicators include integration with advanced analytics and marketing tools. The company maintains consistent branding aligned with O2 Czech Republic, enhancing credibility.
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a moderate to good security maturity level with HTTPS enforced and a consent management platform in place. No critical vulnerabilities or exposed sensitive data were detected in the HTML content. However, the absence of explicit security headers such as Content Security Policy, HSTS, and X-Frame-Options reduces the overall security posture. There is no published incident response or vulnerability disclosure information, which limits transparency and readiness. GDPR compliance is partially addressed through consent mechanisms but lacks detailed privacy policy documentation. The security culture appears to be in early to intermediate stages, with room for improvement in formal policies and communication.
Strategic Recommendations
Priority Actions for Security Improvement
Publish a comprehensive privacy policy and terms of service pages to improve compliance and transparency.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
O2 Czech Republic a.s
Unikátní informace o zákaznících a jejich chování v digitálním světě. Hodnotná data telekomunikačního operátora. Pokročilé modelování a profilování uživatelů. Vysoce efektivní kampaně.
basic
consistent
Technical Stack
moderate
good
basic
basic
Security Assessment
- HTTPS enforced
- Consent management platform implemented
- No exposed sensitive data in HTML
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is accessible and not blocked by WAF or security challenges
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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
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 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
EU business without adequate privacy measures
CRITICALEU businesses are subject to strict GDPR requirements
Third-party services without privacy policy
HIGHDetected services: Google Analytics
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 DMARC reporting
LOWDMARC aggregate reports not configured
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 56 days
Mixed Content Detected
MEDIUM1 resources loaded over insecure HTTP
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
DMARC Policy Set to None
LOWDMARC is configured but not enforcing any policy
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 o2media.cz compare?
See how o2media.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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