Is threema.ch Safe? Security Analysis for Threema GmbH
https://threema.chCheck if threema.ch 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
Threema GmbH operates a highly secure instant messaging platform developed in Switzerland, targeting individuals and organizations that prioritize privacy and data protection. The company offers end-to-end encrypted messaging, calls, and file exchange services, with specialized products such as Threema Work for enterprises, Threema Broadcast, and Threema Gateway. The website reflects a mature market position with strong trust signals including GDPR compliance and endorsements from public authorities and large enterprises. Technically, the site employs modern JavaScript frameworks and privacy-respecting analytics (Matomo), with excellent mobile optimization and SEO practices. Security posture is strong with HTTPS enforcement and domain protection, though improvements like DNSSEC and security headers could enhance it further. Overall, the website is professional, trustworthy, and well-aligned with the company's business model and market presence.
Detected Technologies
6 urgent findings need attention
6 high
Keep threema.ch 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
80/100
GDPR Compliance
3 findings
65/100
NIS2 Compliance
4 findings
60/100
Email Security
6 findings
65/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Threema is positioned as a privacy-first secure communication provider with a clear focus on GDPR compliance and serving sectors such as government, healthcare, and enterprise. Their business model revolves around paid enterprise solutions alongside private user offerings. The company benefits from a strong brand reputation, evidenced by client logos from notable organizations. The multilingual website and comprehensive resources indicate a global outreach strategy. The absence of direct contact details on the main site suggests a controlled communication approach, likely through dedicated portals. The company maintains domain registration consistency and a stable online presence since 2012, supporting business credibility.
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a solid security foundation with HTTPS and domain status protections. However, the lack of DNSSEC and absence of published security policies or incident response contacts represent areas for enhancement. The use of Matomo analytics aligns with privacy-conscious practices, minimizing invasive tracking. No vulnerabilities or exposed sensitive data were detected in the content. The site does not currently provide a vulnerability disclosure or security.txt file, which could improve transparency and incident handling readiness. Overall, the security posture is robust but could benefit from formalized public security documentation and additional DNS security measures.
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
Threema GmbH
The secure instant messenger from Switzerland. GDPR-compliant chat app for individuals and organizations that value security and data protection. Trusted by millions.
excellent
consistent
Technical Stack
fast
excellent
good
good
Security Assessment
- HTTPS enforced
- Domain status includes clientDeleteProhibited and clientTransferProhibited
- No DNSSEC enabled (potential improvement area)
- No exposed sensitive data detected in HTML
- Use of end-to-end encryption emphasized
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with rich content and professional design
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Weak Strict-Transport-Security configuration
LOWCurrent value: "max-age=31104000; includeSubdomains"
Missing X-XSS-Protection header
MEDIUMLegacy XSS protection (deprecated but still recommended)
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 Cookie Policy found
HIGHGDPR requires clear information about cookie usage
No Cookie Consent Banner found
HIGHGDPR requires explicit consent for non-essential cookies
No Data Protection Officer mentioned
LOWLarge organizations may need to designate a DPO under GDPR
GDPR Compliance Analysis
🛡️NIS2 Compliance
Network & Information Security Directive compliance assessment.
NIS2 Compliance
Network & Information Security Directive
No vulnerability disclosure policy
MEDIUMNIS2 encourages coordinated vulnerability disclosure
No incident response procedures found
HIGHNIS2 requires documented incident response and business continuity plans
No security contact information
HIGHNIS2 requires clear incident reporting channels
No vulnerability reporting mechanism
MEDIUMClear vulnerability reporting supports coordinated disclosure
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📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
No DMARC reporting
LOWDMARC aggregate reports not configured
No DKIM record found
MEDIUMDKIM adds cryptographic signatures to emails
Strict DMARC Alignment
LOWStrict alignment may cause legitimate emails to fail
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
DMARC Details
🏆SSL/TLS Security
Certificate validity and encryption analysis.
SSL/TLS Security
Certificate validity and encryption analysis
Weak SSL Key Length
HIGHSSL certificate uses 256-bit key, which is considered weak
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 Expires Soon
HIGHDomain expires in 10 days
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 threema.ch compare?
See how threema.ch 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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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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