Is tescomobile.com Safe? Security Analysis for Tesco Mobile Limited
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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
Tesco Mobile Limited is a prominent UK telecommunications provider offering a wide range of mobile phones, pay monthly contracts, SIM only deals, and pay as you go plans. The company leverages the O2 network to provide extensive UK coverage including 5G services. Tesco Mobile integrates its loyalty program, Clubcard, to offer customers rewards and exclusive pricing, positioning itself as a customer-centric and service-oriented network. The website reflects a mature digital presence with professional design, clear navigation, and comprehensive product information targeting both personal and business customers in the UK market. Technically, the site is built on Magento with modern JavaScript frameworks and integrates advanced search and analytics tools such as Algolia and New Relic, ensuring good performance and user experience across devices. Security posture is strong with HTTPS enforced and secure form handling, although explicit security policies and incident response contacts are not publicly detailed. Privacy compliance is well addressed with clear cookie and privacy policies and consent mechanisms. Overall, Tesco Mobile's website demonstrates a high level of professionalism, trustworthiness, and digital maturity suitable for a large telecommunications brand.
Detected Technologies
8 urgent findings need attention
3 critical · 5 high
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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
85/100
GDPR Compliance
2 findings
60/100
NIS2 Compliance
8 findings
5/100
Email Security
4 findings
80/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Tesco Mobile operates in the UK telecommunications sector as a large retail and service provider. It benefits from the backing of Tesco PLC, a major retail conglomerate, enhancing its market credibility and reach. The business model combines mobile network services with a loyalty rewards program (Clubcard), creating a competitive advantage by linking mobile spending with retail benefits. The company targets a broad audience including individual consumers and business clients, offering a variety of devices and plans. Strategic partnerships with O2 for network infrastructure and third-party service providers for support and app distribution strengthen its ecosystem. The website content and structure indicate a focus on customer service excellence, evidenced by awards and high Trustpilot ratings. Growth indicators include frequent promotions, trade-in programs, and a strong digital marketing presence. The company maintains a consistent brand image and leverages multiple digital channels for customer engagement.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Company Registration
Tesco Mobile Limited
723698
Security Posture Analysis
Comprehensive Security Assessment
Tesco Mobile's website exhibits a mature security posture with mandatory HTTPS usage and secure form tokens to prevent CSRF attacks. The presence of New Relic monitoring and tag management via Tealium indicates active performance and security monitoring. No exposed sensitive data or vulnerable libraries were detected in the analyzed content. However, the absence of a publicly accessible security policy or vulnerability disclosure page and lack of incident response contact details represent gaps in transparency and readiness communication. The site likely employs standard security headers, though explicit confirmation is not visible in the HTML. Overall, the security measures align with industry best practices for e-commerce and telecommunications websites, but could be enhanced by publishing detailed security and incident response information.
Strategic Recommendations
Priority Actions for Security Improvement
Publish a dedicated security policy and vulnerability disclosure page to improve transparency and user trust.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Tesco Mobile Limited
Tesco Mobile offers mobile phones, phone contracts, SIM only deals, and pay as you go plans. It provides Clubcard benefits and operates on the O2 network with 99% UK coverage and 5G availability.
excellent
consistent
Technical Stack
fast
excellent
good
good
Security Assessment
- HTTPS enforced
- Use of CSP (likely)
- No exposed sensitive data in HTML
- Secure forms with CSRF tokens (form_key present)
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with rich content and no blocking.
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
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 Cookie Consent Banner found
HIGHGDPR requires explicit consent for non-essential cookies
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 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 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
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
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
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 tescomobile.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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