Is jsa.de Safe? Security Analysis for LinkedIn
https://jsa.deCheck if jsa.de is a scam or legitimate. Free security scan and reviews.
Above Technology avg (72)
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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
This LinkedIn profile page represents Dr. Jan Stefan Addicks, a professional based in Oldenburg, Germany, hosted on the LinkedIn platform, a leading global professional networking service owned by Microsoft. The page is designed to showcase professional credentials and networking connections but restricts full profile visibility to signed-in users. The technical infrastructure leverages modern web technologies including React and Google OAuth for authentication, ensuring a secure and user-friendly experience. Security posture is strong with HTTPS enforcement, security headers, and privacy compliance evidenced by comprehensive policies and cookie consent mechanisms. Overall, the site demonstrates high professionalism and trustworthiness, though direct contact information is not publicly disclosed on this profile page. The WHOIS data is unavailable due to privacy or registry restrictions, but the domain is globally recognized and legitimate.
Detected Technologies
6 urgent findings need attention
6 high
Keep jsa.de 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
3 findings
75/100
GDPR Compliance
2 findings
73/100
NIS2 Compliance
9 findings
2/100
Email Security
1 finding
90/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
LinkedIn operates as a dominant player in the professional networking industry, targeting professionals, recruiters, and businesses worldwide. Its business model revolves around providing networking, job search, learning, and advertising services. The platform's market position is strong, supported by its parent company Microsoft. This profile page reflects LinkedIn's consistent branding and professional content quality. The absence of direct contact details on the profile is typical for user privacy. The platform integrates Google authentication and maintains compliance with GDPR and other privacy regulations, indicating mature data governance and user trust management.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Security Posture Analysis
Comprehensive Security Assessment
The website employs robust security measures including HTTPS, modern security headers, and secure login forms with Google OAuth integration. Cookie consent and privacy policies are prominently presented, supporting GDPR compliance. No vulnerabilities or exposed sensitive data were detected in the analyzed content. The security score is high, reflecting LinkedIn's commitment to protecting user data and platform integrity. However, continuous monitoring and auditing of third-party scripts and login endpoints are recommended to maintain this posture.
Strategic Recommendations
Priority Actions for Security Improvement
Maintain and regularly update security headers and SSL/TLS configurations.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
LinkedIn profile page for Dr. Jan Stefan Addicks located in Oldenburg, Germany, part of LinkedIn professional network.
good
consistent
Technical Stack
moderate
good
good
good
Security Assessment
- HTTPS enforced
- Secure login forms
- Google OAuth integration
- Cookie consent banner
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
LinkedIn profile page with restricted full content viewing requiring sign-in
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
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 Cookie Consent Banner found
HIGHGDPR requires explicit consent for non-essential cookies
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
Critical sector without clear security compliance
HIGHDetected sectors: energy, transport, digital
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📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
No MTA-STS Policy
MEDIUMMTA-STS enforces TLS for email delivery
SPF Details
DKIM Selectors Found
DMARC Details
🏆SSL/TLS Security
Certificate validity and encryption analysis.
SSL/TLS Security
Certificate validity and encryption analysis
Partial SSL/TLS Assessment
LOWCompleted 2 of 4 security checks due to time constraints
Certificate Details
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 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
Good Network Security Posture
LOWNo unnecessary services detected on common risky ports
How does jsa.de compare?
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🔧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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