Your Documents Are
Fort Knox Secure
End-to-end encryption, zero-knowledge architecture, and EU-hosted infrastructure. We protect your documents like they're our own.
Security Built Into Every Layer
From upload to signing to storage, your documents are protected at every step.
End-to-End Encryption
Documents are encrypted in your browser before upload using AES-256-GCM. Only you and your signers can decrypt them.
AES-256-GCM Encryption
Military-grade encryption standard used by governments and financial institutions worldwide.
Client-Side Encryption
For email/password users, encryption keys are derived from your password and never leave your browser. All documents are encrypted before storage.
EU-Hosted Infrastructure
All data is stored on European servers, ensuring compliance with strict EU data protection regulations.
Data Minimization
We collect only what's strictly necessary. No tracking, no analytics profiling, no data selling. Ever.
Tamper-Proof Audit Trail
Every action is cryptographically logged with timestamps, IP addresses, and signer verification data.
How We Protect Your Data
A multi-layered approach to security that leaves nothing to chance.
Document Encryption Flow
Client-Side Encryption
Your document is encrypted in your browser before it ever leaves your device.
Secure Transfer
Encrypted data travels over TLS 1.3 to our EU-hosted servers.
Encrypted Storage
Documents are stored encrypted at rest. No one, not even us, can read them.
Secure Delivery
Signers receive a unique link. Documents are decrypted only in their browser.
Encryption at Rest & Transit
TLS 1.3 in transit, AES-256 at rest. Your data is encrypted 100% of the time.
Secure Infrastructure
Hosted on enterprise-grade EU infrastructure with automated backups and redundancy.
Code Security
Regular security audits, dependency scanning, and automated vulnerability testing.
Full Transparency
Open-source client-side code. Verify our encryption yourself on GitHub.
Compliance & Certifications
We meet the highest standards for data protection and electronic signatures worldwide.
GDPR
Full compliance with EU General Data Protection Regulation. Data stored in EU only.
eIDAS
Electronic signatures legally valid under EU eIDAS regulation across all 27 member states.
ESIGN Act
Compliant with US Electronic Signatures in Global and National Commerce Act.
UETA
Meets Uniform Electronic Transactions Act requirements for all US states.
SOC 2 Type II
Infrastructure hosted on enterprise-grade cloud providers (Vercel, Neon).
ISO 27001
Security practices aligned with ISO 27001 information security management standards.
Our Data Handling Promise
What We Collect (Minimum Necessary)
- Email address for account creation and notifications
- Document metadata (file name, size) for your dashboard
- Signing events for audit trail and legal compliance
What We NEVER Do
- ✕Read, analyze, or access your document contents
- ✕Sell, share, or monetize your personal data
- ✕Track your behavior with third-party analytics
Security FAQ
Can SignQuick employees read my documents?+
Where is my data stored?+
What happens if SignQuick is breached?+
Are e-signatures legally binding?+
How long are my documents retained?+
Ready to Sign Securely?
Join thousands of professionals who trust SignQuick with their most sensitive documents.