Is sms-plc.com Safe? Security Analysis for SMS
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GDPR-aligned
Data handling
EU
Hosting region
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SMS is a UK-based energy infrastructure and solutions provider focused on delivering low-carbon energy technologies and services to homes, businesses, and utilities. The company positions itself as a leader in smart metering and energy management, supporting the transition to a greener, more sustainable energy system. Their offerings include infrastructure design, metering services, data analytics, energy services, and grid flexibility solutions. The website demonstrates a mature digital presence with modern technologies such as WordPress, Bootstrap, and Google Tag Manager, optimized for performance and SEO. Security posture is strong with HTTPS and cookie consent mechanisms, though explicit security policies and incident response contacts are not publicly available. The absence of WHOIS data is a notable anomaly but does not detract significantly from the overall legitimacy given the professional content and certifications. Strategic recommendations include enhancing transparency around security policies and improving WHOIS data availability to bolster trust.
Detected Technologies
8 urgent findings need attention
8 high
Keep sms-plc.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
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OffSeq Observations
No critical findings yet
82/100
DNS Health
2 findings
85/100
Network Security
1 finding
100/100
SSL/TLS Security
4 findings
67/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
SMS operates in the energy sector with a focus on sustainability and carbon reduction. Their market position as the UK's leading independent metering provider and their extensive service portfolio indicate a large enterprise with a broad customer base including energy suppliers, commercial businesses, and residential customers. The company leverages partnerships for recruitment and maintains active social media channels for engagement. Their business model integrates asset funding, engineering expertise, and software solutions to deliver end-to-end energy services. Growth indicators include ongoing case studies and innovation projects such as FlexiGrid and net zero strategies. The company emphasizes ESG commitments and holds multiple ISO certifications, reinforcing their credibility and governance standards.
Security Posture Analysis
Comprehensive Security Assessment
The website employs HTTPS with a strong SSL configuration and uses security best practices such as cookie consent banners and controlled script loading via Google Tag Manager. However, some standard security headers like X-Frame-Options and Referrer-Policy are not explicitly detected and should be verified. There is no publicly available security policy or incident response contact information, which is a gap in transparency and readiness. No vulnerabilities or exposed sensitive data were found in the HTML content. Overall, the security maturity is good but could be improved by publishing formal security documentation and a vulnerability disclosure policy.
Strategic Recommendations
Priority Actions for Security Improvement
Publish a clear security policy and incident response contact details on the website to improve transparency and trust.
✨Observations
Comprehensive website and business-context analysis.
AI-Enhanced Website Analysis
Business Insights
SMS
From energy infrastructure that creates greener homes and businesses, to integrated energy management critical for carbon reduction.
excellent
consistent
Technical Stack
fast
excellent
good
excellent
Security Assessment
- HTTPS enforced
- Cookie consent mechanism implemented
- No exposed sensitive data in HTML
- Use of Google Tag Manager for controlled script loading
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is professionally designed and well maintained
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Missing Content-Security-Policy header
Controls resources the browser is allowed to load
Weak Referrer-Policy configuration
Current value: "no-referrer-when-downgrade"
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 Cookie Consent Banner found
GDPR requires explicit consent for non-essential cookies
No Data Protection Officer mentioned
Large organizations may need to designate a DPO under GDPR
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 incident response procedures found
NIS2 requires documented incident response and business continuity plans
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
No DKIM record found
DKIM adds cryptographic signatures to emails
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
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
Mixed Content Detected
1 resources loaded over insecure HTTP
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 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
No unnecessary services detected on common risky ports
How does sms-plc.com compare?
See how sms-plc.com 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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