Is dln.com.hk Safe? Security Analysis for DLN
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AI Summary
DLN is a well-established architectural and engineering firm founded in 1972 in Hong Kong, recognized for its high-profile projects across Asia and globally. The company specializes in designing skyscrapers and complex building complexes, shaping urban landscapes with a strong market reputation. The website reflects a professional business presence with consistent branding and relevant content targeting clients in the real estate and construction sectors. Technically, the website is built on a custom PHP platform running on an Apache server with older software versions. It uses common web technologies such as jQuery and Bootstrap for frontend responsiveness and styling. However, the website lacks modern security implementations, notably missing HTTPS support and valid SSL certificates, which significantly impacts its security posture. Performance data is unavailable, but the site appears to have basic mobile optimization and SEO practices. From a security perspective, the absence of HTTPS and security headers exposes users to risks such as data interception and man-in-the-middle attacks. No privacy, cookie, or terms of service policies are present, indicating poor privacy compliance. No contact information or incident response channels are provided, limiting user trust and regulatory compliance. The WHOIS data aligns well with the business claims, showing a consistent and legitimate domain registration. Overall, the website demonstrates moderate business credibility and good content quality but suffers from critical security shortcomings and lack of privacy compliance. Strategic improvements in SSL implementation, privacy policies, and security best practices are essential to enhance trust and protect users.
Detected Technologies
14 urgent findings need attention
3 critical · 11 high
- + 6 more findings in the full report below
Keep dln.com.hk 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
8 findings
15/100
GDPR Compliance
6 findings
0/100
NIS2 Compliance
9 findings
0/100
Email Security
1 finding
50/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
DLN operates as a prominent architectural and engineering firm with a focus on large-scale and complex construction projects. Its competitive advantage lies in its long-standing reputation since 1972 and its footprint in Hong Kong and Asia. The business model centers on providing design and engineering services to real estate developers and urban planners. The company targets clients requiring high-value architectural solutions, including skyscrapers and integrated building complexes. The website's social media presence supports brand visibility and client engagement. No direct revenue streams or partnerships are disclosed on the website. Growth indicators are implied by the firm's longevity and project portfolio. The lack of detailed business disclosures limits deeper financial or operational insights.
Security Posture Analysis
Comprehensive Security Assessment
The current security posture of the website is weak due to the absence of HTTPS and a valid SSL certificate, which is a critical vulnerability. The server runs outdated software versions, increasing exposure to known exploits. No advanced security headers or mechanisms such as HSTS, DNSSEC, or OCSP stapling are implemented. The lack of privacy and cookie policies, as well as incident response contacts, indicates poor compliance with data protection regulations like GDPR. No vulnerability disclosure or security.txt files are present, limiting transparency and trust. While no active vulnerabilities or malware are detected, the overall security maturity is low, posing risks to both the business and its users.
Strategic Recommendations
Priority Actions for Security Improvement
Implement a valid SSL/TLS certificate and enforce HTTPS across the entire website to secure data transmission.
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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
Sensitive data may be cached
LOWCache-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
HIGHGDPR requires a clear and accessible privacy policy
No Cookie Policy found
HIGHGDPR requires clear information about cookie usage
No Cookie Consent Banner found
HIGHGDPR requires explicit consent for non-essential cookies
Insufficient contact information
MEDIUMGDPR requires organizations to provide clear contact details
Third-party services without privacy policy
HIGHDetected services: Facebook, LinkedIn
No HTTPS encryption
CRITICALGDPR requires appropriate security measures for personal data
GDPR Compliance Analysis
🛡️NIS2 Compliance
Network & Information Security Directive compliance assessment.
NIS2 Compliance
Network & Information Security Directive
No HTTPS encryption
CRITICALNIS2 requires appropriate technical measures including encryption
No information security framework found
HIGHNIS2 requires documented cybersecurity and information security measures
No vulnerability disclosure policy
MEDIUMNIS2 encourages coordinated vulnerability disclosure
Software version information exposed
MEDIUMServer headers reveal software versions which could aid attackers
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 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
Email Security Check Incomplete
MEDIUMSome email security checks timed out
🏆SSL/TLS Security
Certificate validity and encryption analysis.
SSL/TLS Security
Certificate validity and encryption analysis
No HTTPS Encryption
CRITICALWebsite does not use HTTPS encryption, making all data transmission vulnerable to interception
OCSP Status
📊DNS Health
DNS configuration and security assessment.
DNS Health
DNS configuration and security assessment
DNS Health Check Incomplete
MEDIUMSome DNS health checks timed out
DNSSEC Status
⚡Network Security
Port scanning and network exposure analysis.
Network Security
Port scanning and network exposure analysis
Good Network Security Posture
LOWNo unnecessary services detected on common risky ports
Dark Web Exposure
Add-onLeaked credentials & mentions of dln.com.hk · sourced via BREACH
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How does dln.com.hk compare?
dln.com.hk 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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