Is brennangroup.co.uk Safe? Security Analysis for Brennan Group
https://www.brennangroup.co.uk/Check if brennangroup.co.uk is a scam or legitimate. Free security scan and reviews.
GDPR-aligned
Data handling
EU
Hosting region
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Brennan Group is a well-established UK-based chartered building company founded in 2000, specializing in delivering construction projects across multiple sectors including prime residential, commercial, science & technology, and more. The company positions itself as a trusted partner for high-profile clients, emphasizing close collaboration with clients and professional teams. Their website showcases a professional portfolio of projects, certifications, and client logos, reflecting a strong market presence in the construction industry. Technically, the website employs modern web technologies such as Alpine.js and Swiper.js, with a responsive design optimized for mobile devices. Hosting is provided by a reputable UK registrar, and the site uses HTTPS with a cookie consent mechanism, indicating a good level of digital maturity. However, some security best practices like security headers and incident response information are missing. From a security perspective, the site benefits from HTTPS and cookie consent but lacks explicit security policies or vulnerability disclosure mechanisms. No critical vulnerabilities or exposed sensitive data were detected. The WHOIS data aligns well with the business claims, showing a long-standing domain registration that supports the company's legitimacy. Overall, Brennan Group's website is professional, trustworthy, and compliant with privacy regulations, with room for improvement in security headers and incident response transparency. The risk level is low, but enhancing security policies and disclosures would further strengthen their posture.
Detected Technologies
8 urgent findings need attention
8 high
Keep brennangroup.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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Security Headers
7 findings
50/100
GDPR Compliance
3 findings
68/100
NIS2 Compliance
9 findings
2/100
Email Security
4 findings
75/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Brennan Group operates in the UK construction sector with a focus on delivering high-quality building projects across diverse sectors. Their competitive advantage lies in their chartered status, extensive project portfolio, and recognized certifications. The business model centers on project delivery and management for private and commercial clients. The website targets clients seeking reliable construction partners, showcasing completed projects and client testimonials. Growth indicators include recent project completions and active news updates. Partnerships with certification bodies and a professional digital presence support their market credibility. Strategic observations suggest leveraging their certifications and expanding digital security transparency to enhance client trust.
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a moderate to good security maturity level with HTTPS enforced and a cookie consent mechanism in place. However, the absence of security headers such as Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security reduces the overall security posture. No incident response or vulnerability disclosure information is provided, which could hinder timely reporting and mitigation of security issues. Data protection practices appear adequate with GDPR-compliant privacy and cookie policies. No exposed sensitive data or vulnerable libraries were detected. The security culture could be improved by publishing explicit security policies and providing dedicated security contact channels.
Strategic Recommendations
Priority Actions for Security Improvement
Implement comprehensive security headers including Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security to enhance protection against common web attacks.
✨Observations
Comprehensive website and business-context analysis.
AI-Enhanced Website Analysis
Business Insights
Brennan Group
Successfully delivering construction projects for some of the country’s most respected organisations, working closely with both clients and their professional teams.
good
consistent
Technical Stack
moderate
good
basic
basic
Security Assessment
- HTTPS enforced
- Cookie consent mechanism
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is professionally designed and well-structured.
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Weak Strict-Transport-Security configuration
Current value: "max-age=15552000"
Weak X-Frame-Options configuration
Current value: "SAMEORIGIN, SAMEORIGIN"
Weak X-Content-Type-Options configuration
Current value: "nosniff, nosniff"
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 Policy found
GDPR requires clear information about cookie usage
No Data Protection Officer mentioned
Large organizations may need to designate a DPO under GDPR
Privacy policy may not be GDPR compliant
Privacy policy lacks explicit GDPR compliance elements
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, 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 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 Within 90 Days
SSL certificate expires in 30 days
HSTS Not Enabled
HTTP Strict Transport Security (HSTS) is not configured
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 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
Service Exposed: SSH
Port 22 (SSH) is publicly accessible - SSH - Secure but can be brute-forced
How does brennangroup.co.uk compare?
See how brennangroup.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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