Is tdc.dk Safe? Security Analysis for TDC Erhverv
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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
TDC Erhverv is a leading Danish telecommunications provider offering a broad range of services including mobile subscriptions, internet solutions, IT security, and collaboration tools tailored for small, medium, and large enterprises. The company is positioned as a reliable and future-proof technology partner, emphasizing quality network performance and comprehensive digital solutions. Their market presence is supported by a strong parent company, Nuuday, and strategic partnerships. Technically, the website employs modern frameworks such as Gatsby and React, integrates advanced analytics and marketing platforms like Adobe Experience Cloud and Google Analytics, and implements a robust cookie consent mechanism ensuring GDPR compliance. Security posture is strong with HTTPS enforcement, use of security headers, and no visible vulnerabilities or exposed sensitive data. Overall, the site demonstrates excellent design, accessibility, and user experience, reflecting a professional and trustworthy business. Strategic recommendations include enhancing security policy transparency and incident response information to further strengthen trust and compliance.
Detected Technologies
6 urgent findings need attention
3 critical · 3 high
Keep tdc.dk 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
65/100
GDPR Compliance
3 findings
58/100
NIS2 Compliance
5 findings
40/100
Email Security
1 finding
50/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
TDC Erhverv operates in the telecommunications sector with a clear focus on business customers ranging from small and medium enterprises to large organizations and public institutions. Their business model revolves around providing integrated digital communication solutions, including mobile and fixed telephony, internet connectivity, IT security, and collaboration platforms. The company leverages partnerships and advanced third-party platforms such as Salesforce and Adobe to enhance service delivery and customer engagement. Their market position is strong, supported by a decade-long recognition for network quality and a comprehensive product portfolio. The website content and structure indicate a mature digital presence with targeted offerings and a commitment to customer support and privacy compliance.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Company Registration
TDC Erhverv
CVR 40075291
Security Posture Analysis
Comprehensive Security Assessment
The website exhibits a mature security posture with enforced HTTPS, presence of security headers, and a comprehensive cookie consent framework aligned with GDPR requirements. No critical vulnerabilities or exposed sensitive information were detected in the HTML content. The use of reputable third-party services for analytics and marketing is managed through explicit consent mechanisms. However, explicit security policy and incident response contact information are not found, which could be improved to enhance transparency and readiness. Overall, the security culture appears proactive, with managed security operations indicated by service offerings such as a Security Operations Center.
Strategic Recommendations
Priority Actions for Security Improvement
Publish a dedicated security policy page detailing security practices and frameworks.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
TDC Erhverv
TDC Erhverv offers telecommunications and digital solutions for small, medium, and large businesses including internet, telephony, IT security, and collaboration tools.
excellent
consistent
Technical Stack
fast
excellent
good
good
Security Assessment
- HTTPS enforced
- Consent management for cookies
- No exposed sensitive data in HTML
- Use of modern libraries and frameworks
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Comprehensive cookie consent mechanism with detailed categories and descriptions.
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Missing Content-Security-Policy header
HIGHControls resources the browser is allowed to load
Weak Referrer-Policy configuration
LOWCurrent value: "same-origin"
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
No HTTPS encryption
CRITICALGDPR requires appropriate security measures for personal data
GDPR Compliance Analysis
🛡️NIS2 Compliance
Network & Information Security Directive compliance assessment.
NIS2 Compliance
Network & Information Security Directive
No HTTPS encryption
CRITICALNIS2 requires appropriate technical measures including encryption
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
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📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
Email Security Check Incomplete
MEDIUMSome email security checks timed out
🏆SSL/TLS Security
Certificate validity and encryption analysis.
SSL/TLS Security
Certificate validity and encryption analysis
No HTTPS Encryption
CRITICALWebsite does not use HTTPS encryption, making all data transmission vulnerable to interception
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
DNS Records
DNSSEC Status
⚡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 tdc.dk 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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