Is sterling-hydrotech.co.uk Safe? Security Analysis for Sterling Hydrotech
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Data handling
EU
Hosting region
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Sterling Hydrotech is a well-established UK-based specialist in swimming pool filtration and water treatment, operating since 1988. The company offers a comprehensive range of services including design, supply, installation, servicing of filtration and water treatment equipment, and training for pool plant operators. Their market position is strong within commercial leisure facilities, local authorities, schools, NHS, military, and other institutional clients. The website reflects a professional and consistent brand image with clear service offerings and accreditations that enhance trust. Technically, the website is built on WordPress using the Uncode theme, leveraging modern web technologies such as jQuery, Owl Carousel, and Google reCAPTCHA for security. The site is hosted by a reputable UK registrar and shows good mobile optimization and SEO practices. Performance is moderate with room for improvement in accessibility features. From a security perspective, the site enforces HTTPS, uses reCAPTCHA to protect forms, and implements cookie consent mechanisms aligned with GDPR. However, it lacks visible security policies, incident response information, and vulnerability disclosure mechanisms. No critical vulnerabilities or exposed sensitive data were detected. Overall, Sterling Hydrotech presents a low-risk profile with a mature online presence, good business credibility, and adequate security posture. Strategic improvements in security transparency and accessibility could further enhance trust and compliance.
Detected Technologies
14 urgent findings need attention
1 critical · 13 high
- + 6 more findings in the full report below
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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
5 findings
65/100
Email Security
5 findings
60/100
SSL/TLS Security
6 findings
47/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Sterling Hydrotech operates in the niche market of commercial pool water treatment and filtration, targeting institutional and commercial clients across the UK. Their business model combines product supply with installation, maintenance, and training services, creating multiple revenue streams. The company benefits from long-standing industry experience and recognized accreditations such as Kings Warrant and ISO certifications, which provide competitive advantages. The website indicates a focus on quality and tailored solutions, appealing to facility managers and contractors. Their partnership with WCS Environmental Engineering as a parent company suggests solid backing and potential for growth. The digital presence is professional but could be enhanced with more detailed business and security disclosures to support transparency and customer confidence.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Company Registration
WCS Environmental Engineering
02275897
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a good security baseline with HTTPS enforced and Google reCAPTCHA protecting user input forms. Cookie consent is implemented, supporting GDPR compliance. However, the absence of explicit security policies, incident response contacts, and vulnerability disclosure mechanisms indicates gaps in security transparency and readiness. No outdated or vulnerable libraries were detected in the HTML content. Security headers are not explicitly visible but may be configured at the server level. Overall, the security posture is adequate for the business type but could be improved by publishing formal security and incident response information and enhancing header configurations.
Strategic Recommendations
Priority Actions for Security Improvement
Publish a dedicated security policy and incident response page to improve transparency and preparedness.
✨Observations
Comprehensive website and business-context analysis.
AI-Enhanced Website Analysis
Business Insights
Sterling Hydrotech
Established in 1988, Sterling is a swimming pool filtration and water treatment specialist. They design, supply, install and service filtration and water treatment equipment throughout the UK, focusing on commercial pools, spas and hydrotherapy pools. They work with local authorities, schools, main contractors, facility management companies, holiday parks, NHS and military facilities.
good
consistent
Technical Stack
moderate
good
basic
good
Security Assessment
- HTTPS enforced
- Google reCAPTCHA v3 implemented on forms
- Cookie consent banner with opt-in
- No exposed sensitive data in HTML
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is professionally designed and content-rich.
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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 X-Frame-Options header
Prevents clickjacking attacks
Missing X-Content-Type-Options header
Prevents MIME type sniffing
Missing Content-Security-Policy header
Controls resources the browser is allowed to load
Missing X-XSS-Protection header
Legacy XSS protection (deprecated but still recommended)
Missing Referrer-Policy header
Controls referrer information sent with requests
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
Third-party services without privacy policy
Detected services: Facebook, LinkedIn
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, health, 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 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
SSL Certificate Expires Within 90 Days
SSL certificate expires in 68 days
HSTS Not Enabled
HTTP Strict Transport Security (HSTS) is not configured
Mixed Content Detected
21 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 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
High-Risk Service Exposed: FTP
Port 21 (FTP) is publicly accessible - FTP - Often unencrypted file transfer
Critical Service Exposed: MySQL
Port 3306 (MySQL) is publicly accessible - MySQL - Database server
How does sterling-hydrotech.co.uk compare?
sterling-hydrotech.co.uk scores below average. Browse similar domains to see how competitors handle security.
🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Technical Analysis
Comprehensive security assessment findings
Additional Findings
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