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 e… Unlock the full Guard report to read the complete analysis.
Detected Technologies
Keep tescomobile.com 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
Cancel anytime. Alerts sent to the contacts you choose. Unlock the full report to view historical timelines and alerts.
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.
Snapshot shown below. Unlock the full AI report for complete market insights, audience profiling, and step-by-step recommendations.
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
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✨Observations
AI-powered comprehensive website and business analysis.
A preview of your strategic observations is visible. Upgrade to unlock the full competitive positioning, trust signals, and branding checklist.
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.
🛡️Security Headers
HTTP security headers analysis and recommendations.
Some header findings are shown. Unlock to see the full checklist, impacted endpoints, and remediation guidance.
Security Headers
HTTP security headers analysis
Missing Referrer-Policy header
LOWControls referrer information sent with requests Unlock the full report to read the complete fix.
Missing Permissions-Policy header
MEDIUMControls browser features and APIs Unlock the full report to read the complete fix.
👤GDPR Compliance
Privacy and data protection assessment under GDPR regulations.
Preview of GDPR checkpoints is visible. Unlock to reveal full evidence, policy excerpts, and DPIA guidance.
GDPR Compliance
Privacy and data protection assessment
No Cookie Consent Banner found
HIGHGDPR requires explicit consent for non-essential cookies Unlock the full report to read the complete fix.
No HTTPS encryption
CRITICALGDPR requires appropriate security measures for personal data Unlock the full report to read the complete fix.
GDPR Compliance Analysis
🛡️NIS2 Compliance
Network & Information Security Directive compliance assessment.
You can see headline NIS2 checks. Upgrade to access the full control mapping, severity breakdown, and remediation plan.
NIS2 Compliance
Network & Information Security Directive
No HTTPS encryption
CRITICALNIS2 requires appropriate technical measures including encryption Unlock the full report to read the complete fix.
No information security framework found
HIGHNIS2 requires documented cybersecurity and information security measures Unlock the full report to read the complete fix.
No vulnerability disclosure policy
MEDIUMNIS2 encourages coordinated vulnerability disclosure Unlock the full report to read the complete fix.
No security policy documentation found
HIGHNIS2 requires documented cybersecurity governance and risk management Unlock the full report to read the complete fix.
No incident response procedures found
HIGHNIS2 requires documented incident response and business continuity plans Unlock the full report to read the complete fix.
No business continuity planning found
MEDIUMNIS2 emphasizes operational resilience and business continuity Unlock the full report to read the complete fix.
No security contact information
HIGHNIS2 requires clear incident reporting channels Unlock the full report to read the complete fix.
No NIS2 reference found
LOWConsider explicitly mentioning NIS2 compliance efforts Unlock the full report to read the complete fix.
📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Quick view of email authentication checks is provided. Unlock to uncover full DNS evidence, record diffs, and fix scripts.
Email Security
SPF, DKIM, and DMARC validation
Complex SPF record
LOWToo many include statements can cause lookup limits Unlock the full report to read the complete fix.
No BIMI Record
LOWBIMI displays brand logos in email clients Unlock the full report to read the complete fix.
No MTA-STS Policy
MEDIUMMTA-STS enforces TLS for email delivery Unlock the full report to read the complete fix.
No TLS-RPT Record
LOWTLS-RPT provides reporting for email TLS issues Unlock the full report to read the complete fix.
SPF Details
DKIM Selectors Found
DMARC Details
🏆SSL/TLS Security
Certificate validity and encryption analysis.
This is a teaser of the TLS audit. Unlock to view certificate chains, cipher support tables, and remediation steps.
SSL/TLS Security
Certificate validity and encryption analysis
No HTTPS Encryption
CRITICALWebsite does not use HTTPS encryption, making all data transmission vulnerable to interception Unlock the full report to read the complete fix.
OCSP Status
📊DNS Health
DNS configuration and security assessment.
Unlock the full DNS posture audit to reveal misconfigurations, zone records, and actionable fixes.
DNS Health
DNS configuration and security assessment
DNSSEC Not Enabled
MEDIUMDNSSEC is not configured for this domain Unlock the full report to read the complete fix.
CAA Records Not Configured
LOWCertificate Authority Authorization (CAA) records not found Unlock the full report to read the complete fix.
Domain Registration Details
DNS Records
DNSSEC Status
DNS Performance
SPF Analysis
⚡Network Security
Port scanning and network exposure analysis.
See a glimpse of exposed services. Unlock to access full port inventories, CVE lookups, and mitigation priorities.
Network Security
Port scanning and network exposure analysis
Good Network Security Posture
LOWNo unnecessary services detected on common risky ports Unlock the full report to read the complete fix.
🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Unlock to view the complete technical breakdown, stack fingerprinting, and hardening checklist.
Technical Analysis
Comprehensive security assessment findings
Additional Findings
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