Is denys.com Safe? Security Analysis for Denys
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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
Denys is a well-established multidisciplinary construction and infrastructure company based in Belgium, specializing in complex projects across water, energy, mobility, building construction, restoration, and tunnelling. The company serves clients primarily in Europe and Africa, positioning itself as a trusted partner for large-scale and technically challenging projects. The website reflects a mature digital presence with detailed project descriptions, structured data, and integration of modern web technologies such as Google Analytics and Google Maps API. Security posture is adequate with HTTPS and anonymized analytics, but lacks explicit security headers and formal privacy or cookie policies. The absence of WHOIS data for the domain is a notable concern, potentially indicating privacy protection or registration issues, which slightly impacts trustworthiness. Overall, the site is professional, content-rich, and business-focused, but would benefit from enhanced transparency in privacy and security policies.
Detected Technologies
9 urgent findings need attention
9 high
- + 1 more findings in the full report below
Keep denys.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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Security Headers
7 findings
20/100
GDPR Compliance
2 findings
83/100
NIS2 Compliance
8 findings
17/100
Email Security
5 findings
70/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Denys operates in the energy, transport, and real estate sectors with a diversified service portfolio including water infrastructure, energy pipelines, mobility infrastructure, and restoration. The company has a long history dating back to 1923, indicating deep industry experience. Its market position is strong, supported by a broad geographic footprint and a multidisciplinary approach. The business model focuses on providing end-to-end construction and maintenance solutions, leveraging technological innovation and specialized techniques. The presence of a dedicated HR platform suggests active recruitment and growth. The company’s partnership ecosystem includes technology providers and industry associations, enhancing its competitive advantage. Revenue streams likely derive from public and private sector contracts in infrastructure and construction projects.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Security Posture Analysis
Comprehensive Security Assessment
The website employs HTTPS with a valid SSL certificate and uses Google Analytics with IP anonymization, reflecting basic security hygiene. However, the lack of security headers such as Content-Security-Policy, X-Frame-Options, and X-XSS-Protection reduces the overall security posture. No explicit security or incident response policies are published, and no vulnerability disclosure or security.txt files are found. The absence of privacy and cookie policies also indicates gaps in compliance with GDPR and related regulations. No exposed sensitive data or vulnerable libraries were detected in the provided content. The security score is moderate, with recommendations to implement security headers, publish privacy and cookie policies, and establish incident response and vulnerability disclosure mechanisms to enhance trust and compliance.
Strategic Recommendations
Priority Actions for Security Improvement
Implement comprehensive privacy and cookie policies with user consent mechanisms to improve GDPR compliance.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Denys
Denys NV is ervaren in complexe bouwprojecten & infrastructuurwerken op vlak van water, energie, mobiliteit, bouwkunde, restauratie & meer. Ontdek hier alles over onze multidisciplinaire groep.
excellent
consistent
Technical Stack
moderate
good
basic
good
Security Assessment
- HTTPS enabled
- IP anonymization in Google Analytics
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with rich content and structured data
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Missing Strict-Transport-Security header
HIGHForces HTTPS connections
Missing X-Frame-Options header
HIGHPrevents clickjacking attacks
Missing X-Content-Type-Options header
MEDIUMPrevents MIME type sniffing
Missing Content-Security-Policy header
HIGHControls resources the browser is allowed to load
Missing X-XSS-Protection header
MEDIUMLegacy XSS protection (deprecated but still recommended)
Missing Referrer-Policy header
LOWControls referrer information sent with requests
Missing Permissions-Policy header
MEDIUMControls browser features and APIs
👤GDPR Compliance
Privacy and data protection assessment under GDPR regulations.
GDPR Compliance
Privacy and data protection assessment
No Data Protection Officer mentioned
LOWLarge organizations may need to designate a DPO under GDPR
Privacy policy may not be GDPR compliant
MEDIUMPrivacy 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
HIGHNIS2 requires documented cybersecurity and information security measures
No vulnerability disclosure policy
MEDIUMNIS2 encourages coordinated vulnerability disclosure
No security policy documentation found
HIGHNIS2 requires documented cybersecurity governance and risk management
No incident response procedures found
HIGHNIS2 requires documented incident response and business continuity plans
No business continuity planning found
MEDIUMNIS2 emphasizes operational resilience and business continuity
No security contact information
HIGHNIS2 requires clear incident reporting channels
No vulnerability reporting mechanism
MEDIUMClear vulnerability reporting supports coordinated disclosure
No NIS2 reference found
LOWConsider explicitly mentioning NIS2 compliance efforts
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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
MEDIUMDMARC policy is set to "none"
No DMARC reporting
LOWDMARC aggregate reports not configured
No BIMI Record
LOWBIMI displays brand logos in email clients
No MTA-STS Policy
MEDIUMMTA-STS enforces TLS for email delivery
No TLS-RPT Record
LOWTLS-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
HIGHServer supports weak protocols: TLSv1.1
OCSP Stapling Not Enabled
LOWOCSP stapling improves performance and privacy
Certificate Transparency Not Implemented
LOWCertificate is not logged in Certificate Transparency logs
SSL Certificate Expires Within 90 Days
MEDIUMSSL certificate expires in 55 days
Partial SSL/TLS Assessment
LOWCompleted 3 of 4 security checks due to time constraints
Protocol Support
OCSP Status
📊DNS Health
DNS configuration and security assessment.
DNS Health
DNS configuration and security assessment
DNSSEC Not Enabled
MEDIUMDNSSEC is not configured for this domain
Domain Delete Lock Not Enabled
LOWDomain can be deleted without additional verification
DMARC Policy Set to None
LOWDMARC is configured but not enforcing any policy
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
High-Risk Service Exposed: FTP
HIGHPort 21 (FTP) is publicly accessible - FTP - Often unencrypted file transfer
How does denys.com compare?
See how denys.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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PDF Report & Export
PDF download, email delivery, unlock code
Marketing Intelligence
Contact emails, phone numbers & warm leads
Plan Comparison
| Feature | PDF Report | Marketing+ |
|---|---|---|
| Full security analysis | ||
| Professional PDF export | ||
| Email delivery | ||
| Lifetime access + unlock code | ||
| Contact emails & phones | — | |
| Marketing outreach data | — |
Already purchased?
Order summary
Digital reports are delivered immediately after payment. By continuing you acknowledge the withdrawal waiver described in our Returns & Refunds policy.
Secure payments processed via EveryPay. Prices in EUR; Incl. 21% VAT.
SEQ SIA
Lastadijas 12 k-3, Riga, Latvia, LV-1050
Reg. No. 40203410806 • VAT LV40203410806
Support: guard@offseq.com • +371 2256 5353
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