Security & Legal Compliance
At Indigo eSign, we implement enterprise-grade security protocols, robust document encryption, and regulatory standards to protect your most critical legal assets.
Global eSignature Legality & Admissibility
Electronic signatures generated on Indigo eSign carry the same legal weight as traditional wet-ink signatures, complying with strict statutory frameworks worldwide.
- United States: Fully compliant with the Electronic Signatures in Global and National Commerce (ESIGN) Act and Uniform Electronic Transactions Act (UETA).
- European Union: Adheres to the Electronic Identification and Trust Services (eIDAS) regulation standards.
- Court-admissible execution proof accepted in commercial disputes and legal audits.
256-bit AES Encryption & Storage Isolation
We isolate and shield your contract assets. All document files uploaded to our servers are encrypted with 256-bit Advanced Encryption Standard (AES) at rest, and protected with TLS 1.3 during network transit.
- Bank-grade cryptographic key parameters block unauthorized file access.
- Continuous vulnerability monitoring and server isolation protocols.
- Encrypted cloud storage connection backup options (Google Drive, Dropbox, OneDrive).
Cryptographic SHA-256 Audit Trail Certificates
Every completed signature session compiles a tamper-evident audit trail certificate. This records the full legal chain of custody, logging email verifications, exact UTC timestamps, IP addresses, and SHA-256 document hashes.
- Generates a court-admissible Certificate of Completion appended to every PDF.
- SHA-256 document hashing detects any post-signature document tampering.
- Logs complete participant session details for forensic verification.
Identity Verification & Access Constraints
We secure your identity and document privacy. Indigo eSign implements rigorous access permissions, email verification constraints, OTP validation, and session tracking to ensure only authorized participants sign your documents.
- OTP / Email verification constraints protect signing participant identity.
- Automated session timeouts and tokenized signing links protect user accounts.
- GDPR compliant data handling and strict private key storage.
Secure Your Contracts Today
Get started with a secure, fully compliant Indigo eSign account and protect your document operations.
Start Signing Securely