Is proton.me Safe? Security Analysis for Proton AG
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Below 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
Proton AG is a Swiss-based technology company specializing in privacy-focused digital services including encrypted email, VPN, cloud storage, password management, and AI assistant tools. With over 100 million users globally, Proton positions itself as a leader in privacy and security, emphasizing user data ownership and transparency. The company operates a subscription-based freemium business model, targeting privacy-conscious individuals and businesses. Technically, Proton employs modern web technologies such as React and Astro, with a performant, mobile-optimized, and accessible website. Security posture is strong, with HTTPS enforced, domain registration protections, and open-source transparency, though DNSSEC is not enabled and no security.txt file was found. Overall, Proton demonstrates a mature digital infrastructure and a high level of trustworthiness in the privacy technology market.
Detected Technologies
9 urgent findings need attention
9 high
- + 1 more findings in the full report below
Keep proton.me 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
70/100
GDPR Compliance
4 findings
53/100
NIS2 Compliance
9 findings
2/100
Email Security
3 findings
80/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Proton's market position is robust, serving both individual consumers and enterprise clients with a comprehensive suite of privacy tools. Their competitive advantage lies in Swiss jurisdiction privacy laws, open-source software, and a strong community focus. Revenue streams primarily come from paid subscriptions for enhanced features across their services. The company maintains strategic partnerships with related privacy services such as Simple Login and Standard Notes, expanding their ecosystem. Growth indicators include a large user base, positive app ratings, and endorsements from reputable organizations like the United Nations. Proton's operations reflect a commitment to privacy-first principles and sustainable business practices.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Security Posture Analysis
Comprehensive Security Assessment
Proton exhibits a high security maturity level, leveraging end-to-end encryption across its services and enforcing HTTPS on its website. The domain is well-protected with multiple registrar lock statuses, though DNSSEC is not enabled, representing a minor risk. No exposed sensitive data or vulnerable libraries were detected in the website content. However, the absence of a published security.txt and explicit incident response contacts indicates room for improvement in vulnerability disclosure and incident management transparency. Compliance with GDPR is evident through comprehensive privacy and cookie policies. Proton's security culture is reinforced by open-source transparency and community engagement.
Strategic Recommendations
Priority Actions for Security Improvement
Enable DNSSEC to enhance DNS security and prevent spoofing attacks.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Proton AG
Proton provides easy-to-use encrypted email, calendar, cloud storage, password manager, and VPN services, built on the principle of your data, your rules.
excellent
consistent
Technical Stack
fast
excellent
good
good
Security Assessment
- HTTPS enforced
- Domain status includes client/server delete, transfer, update prohibited
- No exposed sensitive data in HTML
- Use of encrypted services
- Open source transparency
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is professionally designed and well-structured.
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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
Weak X-XSS-Protection configuration
LOWCurrent value: "0"
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 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
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 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
SPF Details
DMARC Details
MTA-STS 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 89 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 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 proton.me 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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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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