E-Signature Security: How to Protect Your Documents and Data
2026-04-06 · 2 min read
How E-Signatures Are Secured
Modern e-signature platforms use multiple layers of security to protect your documents. This includes 256-bit AES encryption for documents at rest, TLS 1.3 for data in transit, and tamper-evident seals that detect any modifications after signing.
Authentication Methods
To verify signer identity, platforms offer various authentication methods: email verification, SMS codes, knowledge-based authentication (KBA), government ID verification, and biometric options. The right level of authentication depends on the sensitivity of your documents.
The Audit Trail
Every action taken on a document is recorded in a detailed audit trail — who opened it, when they viewed each page, their IP address, the device they used, and exactly when they signed. This trail is legally admissible and provides irrefutable evidence of the signing process.
Best Practices for Your Team
Enable two-factor authentication for all team accounts. Use role-based access controls to limit who can send documents. Regularly review your audit logs. And always use a reputable, SOC 2 certified e-signature provider.