Is grumsendev.dk Safe? Security Analysis for Grumsen Development ApS
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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
Grumsen Development ApS is a Danish technology company specializing in custom software development, including app development, web development, and system integrations. Established in 2018 and headquartered in Esbjerg, Denmark, the company serves a nationwide business clientele with tailored digital solutions. Their market position is that of a trusted local provider with a diverse portfolio of projects and satisfied clients. The website reflects a professional and modern digital presence, showcasing their expertise and project experience effectively. Technically, the website is built using modern frameworks such as React and Next.js, with TypeScript and mobile app technologies like Swift and Flutter for iOS and Android platforms. The site is fast, mobile-optimized, and SEO-friendly, indicating a mature digital infrastructure. The presence of cookie consent mechanisms and privacy policy indicates attention to privacy compliance. From a security perspective, the site enforces HTTPS and uses secure forms, but lacks some advanced security headers and explicit security policies. No critical vulnerabilities or exposed sensitive data were detected. The WHOIS data aligns well with the business claims, supporting legitimacy and trustworthiness. Overall, the website and business demonstrate a strong digital maturity and security posture suitable for their market segment. Strategic improvements in security policy transparency and DNS security could further enhance trust and compliance.
Detected Technologies
10 urgent findings need attention
1 critical · 9 high
- + 2 more findings in the full report below
Keep grumsendev.dk 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
5 findings
50/100
GDPR Compliance
4 findings
25/100
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
Grumsen Development operates in the technology sector, focusing on B2B custom software solutions. Their competitive advantage lies in their comprehensive service offerings spanning web, app, and integration development, supported by a proprietary platform called 'Portal' for faster project delivery. The company targets businesses across Denmark, emphasizing scalability and tailored solutions. Their portfolio includes notable projects for recognized clients, indicating strong market presence and trust. Revenue streams likely derive from project-based contracts and ongoing service agreements. The company maintains active social media engagement and a professional website, supporting growth and partnership opportunities.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Company Registration
Grumsen Development ApS
37051373
Security Posture Analysis
Comprehensive Security Assessment
The security maturity level of Grumsen Development's website is moderate to good. HTTPS is enforced, and secure input forms are present, reducing common web risks. Cookie consent and privacy policies demonstrate GDPR awareness. However, the absence of DNSSEC and some security headers like Content-Security-Policy and X-Frame-Options suggests room for improvement. No incident response or vulnerability disclosure information is publicly available, which could impact readiness and transparency. Overall, the site shows a security-conscious approach but would benefit from enhanced policies and technical controls to align with best practices and compliance frameworks.
Strategic Recommendations
Priority Actions for Security Improvement
Enable DNSSEC on the domain to strengthen DNS security and prevent spoofing.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Grumsen Development ApS
Vi tilbyder udvikling af apps, hjemmesider og integrationer. Vi har kontor i Esbjerg, men servicerer kunder i hele landet med softwareudvikling.
excellent
consistent
Technical Stack
fast
excellent
good
good
Security Assessment
- HTTPS enforced
- Secure contact forms
- Cookie consent mechanism
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is professionally designed and fully accessible
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Missing X-Frame-Options header
HIGHPrevents clickjacking attacks
Missing X-Content-Type-Options header
MEDIUMPrevents MIME type sniffing
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 Privacy Policy found
HIGHGDPR requires a clear and accessible privacy policy
No Cookie Policy found
HIGHGDPR requires clear information about cookie usage
EU business without adequate privacy measures
CRITICALEU businesses are subject to strict GDPR requirements
Third-party services without privacy policy
HIGHDetected services: Google Analytics, Facebook, LinkedIn
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 50 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
CAA Records Not Configured
LOWCertificate Authority Authorization (CAA) records not found
Domain Transfer Lock Not Enabled
MEDIUMDomain can be transferred without authorization
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
- •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
Good Network Security Posture
LOWNo unnecessary services detected on common risky ports
How does grumsendev.dk compare?
See how grumsendev.dk 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
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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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