Is nos.pt Safe? Security Analysis for NOS
https://nos.pt/Check if nos.pt is a scam or legitimate. Free security scan and reviews.
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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
NOS is a major Portuguese telecommunications company offering a wide range of services including 5G mobile networks, fixed and mobile internet, television, telephone, and alarm systems. The website reflects a mature digi… Unlock the full Guard report to read the complete analysis.
Detected Technologies
Keep nos.pt 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
3 findings
75/100
GDPR Compliance
3 findings
40/100
NIS2 Compliance
8 findings
17/100
Email Security
5 findings
60/100
🧠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
NOS operates in the telecommunications sector in Portugal, providing bundled services that include mobile, internet, TV, and security alarms. The business model is focused on consumer subscriptions and device sales through an online store. The company demonstrates strong branding consistency and trust signals such as official contact details and social media presence. The website's navigation and content structure support customer self-service and product discovery, enhancing user experience. NOS's integration with Salesforce and Adobe platforms suggests a sophisticated CRM and marketing ecosystem. The absence of publicly disclosed security certifications or incident response policies indicates areas for potential improvement in transparency and security governance.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Security Posture Analysis
Comprehensive Security Assessment
The website employs HTTPS with strong SSL configuration and uses security best practices such as cookie consent management and Google reCAPTCHA to mitigate automated threats. However, there is no explicit mention or public documentation of security policies, incident response plans, or vulnerability disclosure programs. Security headers like Content-Security-Policy and X-Frame-Options were not explicitly detected in the provided data, which could be enhanced. No vulnerabilities or exposed sensitive data were found in the HTML content. Overall, the security posture is good but could benefit from increased transparency and additional header implementations to harden defenses.
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
NOS
Liga-te à rede 5G com os nossos tarifários móveis ou pacotes de Internet e televisão. Internet fixa e móvel, loja online com smartphones e muito mais.
good
consistent
Technical Stack
moderate
good
basic
good
Security Assessment
- Use of HTTPS
- Cookie consent with opt-in/opt-out
- Use of Google reCAPTCHA for bot protection
- No exposed sensitive data in HTML
- Use of Adobe Helix RUM for monitoring
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with no blocking or WAF challenges.
🛡️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 X-XSS-Protection header
MEDIUMLegacy XSS protection (deprecated but still recommended) 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.
Sensitive data may be cached
LOWCache-Control header should include "no-store" for sensitive pages 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 Privacy Policy found
HIGHGDPR requires a clear and accessible privacy policy Unlock the full report to read the complete fix.
EU business without adequate privacy measures
CRITICALEU businesses are subject to strict GDPR requirements Unlock the full report to read the complete fix.
Third-party services without privacy policy
HIGHDetected services: Google Analytics, Facebook, LinkedIn, YouTube 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 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 vulnerability reporting mechanism
MEDIUMClear vulnerability reporting supports coordinated disclosure 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
DMARC not enforcing
MEDIUMDMARC policy is set to "none" Unlock the full report to read the complete fix.
No DKIM record found
MEDIUMDKIM adds cryptographic signatures to emails 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
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
Weak Protocols Supported
HIGHServer supports weak protocols: TLSv1.1 Unlock the full report to read the complete fix.
Certificate Transparency Not Implemented
LOWCertificate is not logged in Certificate Transparency logs Unlock the full report to read the complete fix.
SSL Certificate Expires Within 90 Days
MEDIUMSSL certificate expires in 46 days Unlock the full report to read the complete fix.
Weak SSL Key Length
HIGHSSL certificate uses 256-bit key, which is considered weak Unlock the full report to read the complete fix.
HSTS Not Enabled
MEDIUMHTTP Strict Transport Security (HSTS) is not configured Unlock the full report to read the complete fix.
Mixed Content Detected
MEDIUM4 resources loaded over insecure HTTP Unlock the full report to read the complete fix.
Protocol Support
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 Expires Soon
HIGHDomain expires in 21 days Unlock the full report to read the complete fix.
Domain Transfer Lock Not Enabled
MEDIUMDomain can be transferred without authorization Unlock the full report to read the complete fix.
Domain Delete Lock Not Enabled
LOWDomain can be deleted without additional verification Unlock the full report to read the complete fix.
DMARC Policy Set to None
LOWDMARC is configured but not enforcing any policy Unlock the full report to read the complete fix.
Domain Registration Details
- •No domain protection locks enabled
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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