Is sigma-networks.co.uk Safe? Security Analysis for Sigma Networks
https://www.sigma-networks.co.uk/Check if sigma-networks.co.uk is a scam or legitimate. Free security scan and reviews.
GDPR-aligned
Data handling
EU
Hosting region
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Sigma Networks is a UK-based professional electrical, security, and data contracting company with over 20 years of experience. They provide a broad range of services including electrical installation and maintenance, data networking, CCTV, thermal screening, access control, fire alarm systems, lockdown systems, and electric vehicle charging. The company serves major infrastructure and commercial projects, positioning itself as a trusted and accredited contractor in the energy and telecommunications sectors. The website reflects a professional business with clear service offerings and client references. Technically, the website uses a traditional tech stack with jQuery, Modernizr, and Revolution Slider, supported by Google Tag Manager and Google Analytics for tracking. The site is moderately optimized for performance and mobile use but uses an outdated jQuery version that may pose security risks. SEO and accessibility are basic but functional. Hosting is via Fasthosts Internet Ltd, consistent with the UK location. From a security perspective, the site uses HTTPS and includes tracking scripts but lacks explicit security headers and modern JavaScript libraries. There is no visible privacy or cookie policy, nor incident response or security contact information, indicating compliance gaps. The WHOIS data shows a long-registered domain consistent with the business history, supporting legitimacy. Overall, the website is professional and credible but would benefit from improved security practices, updated libraries, and enhanced privacy compliance to reduce risk and increase trust.
Detected Technologies
12 urgent findings need attention
12 high
- + 4 more findings in the full report below
Keep sigma-networks.co.uk 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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Email Security
5 findings
70/100
DNS Health
5 findings
65/100
Network Security
1 finding
100/100
Security Headers
5 findings
50/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Sigma Networks operates in the electrical and communications contracting market, targeting business clients requiring infrastructure services. Their competitive advantage lies in their extensive accreditations, manufacturer certifications, and experience with major projects such as London Bridge Station and Westfield Shopping Centre. The business model is B2B service provision with a focus on quality and compliance. Revenue streams likely come from project contracts, maintenance services, and specialized installations. The company maintains partnerships with industry bodies and manufacturers, enhancing credibility. Growth indicators include a diverse service portfolio and high-profile projects. The website supports their market presence but lacks some modern compliance features.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Security Posture Analysis
Comprehensive Security Assessment
The current security posture is moderate. The site uses HTTPS and includes Google Tag Manager and Analytics for monitoring but lacks critical security headers and uses an outdated jQuery version with known vulnerabilities. No privacy or cookie policies are present, and no incident response or security contact information is provided. These gaps expose the business to potential compliance risks and security vulnerabilities. The absence of a security.txt file and explicit data protection officer contact further limits incident response readiness. Overall, the security culture appears basic and would benefit from enhancements to align with GDPR and industry best practices.
Strategic Recommendations
Priority Actions for Security Improvement
Implement and publish comprehensive privacy and cookie policies to improve GDPR compliance and user trust.
✨Observations
Comprehensive website and business-context analysis.
AI-Enhanced Website Analysis
Business Insights
Sigma Networks
Sigma Networks is a professional electrical, security, and data contracting company offering services including electrical installation and maintenance, data networking, CCTV systems, thermal screening, access control, fire alarm systems, lockdown systems, and electric vehicle charging. They serve major projects such as London Bridge Station, Westfield Shopping Centre, and ITF Headquarters.
good
consistent
Technical Stack
moderate
basic
basic
basic
Security Assessment
- Use of HTTPS implied by Google Tag Manager and Google Analytics scripts loaded over HTTPS
- No exposed emails in raw HTML (emails are linked via contact form page)
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with no blocking or WAF challenges.
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Missing Strict-Transport-Security header
Forces HTTPS connections
Missing Content-Security-Policy header
Controls resources the browser is allowed to load
Weak Referrer-Policy configuration
Current value: "same-origin"
Missing Permissions-Policy header
Controls browser features and APIs
Sensitive data may be cached
Cache-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
GDPR requires a clear and accessible privacy policy
No Cookie Policy found
GDPR requires clear information about cookie usage
No Cookie Consent Banner found
GDPR requires explicit consent for non-essential cookies
Third-party services without privacy policy
Detected services: Google Analytics, Google APIs
GDPR Compliance Analysis
🛡️NIS2 Compliance
Network & Information Security Directive compliance assessment.
NIS2 Compliance
Network & Information Security Directive
No information security framework found
NIS2 requires documented cybersecurity and information security measures
No vulnerability disclosure policy
NIS2 encourages coordinated vulnerability disclosure
No security policy documentation found
NIS2 requires documented cybersecurity governance and risk management
No business continuity planning found
NIS2 emphasizes operational resilience and business continuity
No security contact information
NIS2 requires clear incident reporting channels
No vulnerability reporting mechanism
Clear vulnerability reporting supports coordinated disclosure
No NIS2 reference found
Consider explicitly mentioning NIS2 compliance efforts
Critical sector without clear security compliance
Detected sectors: energy, 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
DMARC policy is set to "none"
No DMARC reporting
DMARC aggregate reports not configured
No BIMI Record
BIMI displays brand logos in email clients
No MTA-STS Policy
MTA-STS enforces TLS for email delivery
No TLS-RPT Record
TLS-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
Server supports weak protocols: TLSv1.1
OCSP Stapling Not Enabled
OCSP stapling improves performance and privacy
Certificate Transparency Not Implemented
Certificate is not logged in Certificate Transparency logs
SSL Certificate Expires Soon
SSL certificate expires in 22 days
HSTS Not Enabled
HTTP Strict Transport Security (HSTS) is not configured
Protocol Support
OCSP Status
📊DNS Health
DNS configuration and security assessment.
DNS Health
DNS configuration and security assessment
DNSSEC Not Enabled
DNSSEC is not configured for this domain
CAA Records Not Configured
Certificate Authority Authorization (CAA) records not found
Domain Transfer Lock Not Enabled
Domain can be transferred without authorization
Domain Delete Lock Not Enabled
Domain can be deleted without additional verification
DMARC Policy Set to None
DMARC is configured but not enforcing any policy
Domain Registration Details
- •No domain protection locks enabled
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
No unnecessary services detected on common risky ports
How does sigma-networks.co.uk compare?
See how sigma-networks.co.uk 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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