ESIGNATURE SECURITY

eSignature Security You Can Build Your Business On

Stop worrying about compliance risks and data breaches. eSignly provides ironclad, legally binding eSignatures with bank-grade encryption and a court-admissible audit trail for every document.

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Security First

Your Foundation of Digital Trust

In today's digital world, a signature is more than a formality—it's a critical point of trust and vulnerability. A data breach or a non-compliant agreement can cost millions in fines, legal fees, and lost reputation. That's why we built eSignly with a security-first foundation.

We don't just help you get documents signed; we provide the verifiable proof, auditable trail, and certified compliance you need to operate with confidence. Whether you're a startup securing your first major client or an enterprise in a highly regulated industry, our platform is designed to be your fortress of digital trust.

Trusted By Global Leaders
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Built-in Trust

Why Choose eSignly for Uncompromising Security?

Security is not an add-on at eSignly; it is our foundation. We provide the technical infrastructure and compliance safeguards necessary to protect your most sensitive business agreements, ensuring every transaction is as secure as it is seamless.

Advanced Encryption

Your data is protected at every stage. We use bank-grade AES-256 bit encryption for documents at rest and enforce TLS 1.2+ (1.3 preferred) for all data in transit. This ensures the contents of your agreements are shielded from unauthorized access, both on our servers and as they travel across the internet.

Comprehensive Audit Trails

Every action is an irrefutable fact. We generate a detailed, time-stamped audit trail for every document, capturing every view, signature, and finalization. This court-admissible record provides a step-by-step history, serving as your ultimate proof of the signing process and document integrity.

Tamper-Evident Sealing

Lock in the integrity of your agreements. Upon completion, each document is sealed with Public Key Infrastructure (PKI) technology. This cryptographic seal ensures that any subsequent alteration to the document is immediately detectable, guaranteeing the version you have is the version that was signed.

Strict Compliance Adherence

We do the heavy lifting on compliance so you don't have to. eSignly is independently audited and certified for SOC 2 Type II and ISO 27001. We provide specific solutions and BAAs to help you meet industry regulations like HIPAA, 21 CFR Part 11, GDPR, ESIGN, and UETA.

Secure Identity Verification

Know who is signing your documents. Go beyond simple email links with multi-factor authentication options, including SMS passcodes, knowledge-based authentication (KBA), and integration with Single Sign-On (SSO) providers. Ensure your signers are who they say they are.

Robust Access Controls

Control who can do what. Our platform features granular, role-based access controls (RBAC) that allow you to define permissions for users and teams. Manage who can send, sign, view, or manage documents within your organization to enforce the principle of least privilege.

Secure Infrastructure

Our platform is built on world-class, secure cloud infrastructure, ensuring high availability and protection against network-level threats. With a 99.9% uptime SLA, redundant systems, and proactive monitoring, we ensure your business-critical signing workflows are never interrupted.

Data Residency & Sovereignty

Keep your data where it needs to be. For organizations with strict data sovereignty requirements, we offer options for data residency in specific geographic regions, including the USA, EMEA, and Australia. This helps you comply with local regulations and corporate policies without sacrificing functionality.

Developer API Security

Embed our security into your own platform. Our eSignature API is built with security at its core, using standards like OAuth 2.0 for authentication. Securely manage API keys, utilize webhooks for event tracking, and build powerful, safe integrations with our comprehensive developer tools.

Our Security & Compliance Services

We translate complex security requirements into actionable, reliable solutions. From HIPAA compliance to enterprise-grade API security, our expert-led services ensure your digital signature processes are not just compliant, but bulletproof.

Security & Compliance Assessment

Our experts work with your team to analyze your current workflows, identify security and compliance gaps, and create a strategic roadmap for implementing a secure digital signature process tailored to your specific industry and risk profile.

  • Identify hidden compliance risks before they become problems.
  • Get a clear, actionable plan for improving document security.
  • Justify technology investments with a data-backed risk assessment.

21 CFR Part 11 Compliance Module

For life sciences and pharmaceutical companies, we offer a dedicated solution to meet the FDA's stringent requirements. This includes unique user credentials, signature manifestations, and specific audit trail data points required for regulatory submissions.

  • Accelerate your path to Part 11 compliance.
  • Reduce the risk of regulatory rejection of electronic records.
  • Streamline validation processes with a purpose-built solution.

HIPAA Compliance & BAA Enablement

For healthcare organizations and their associates, we provide a HIPAA-compliant solution and sign a Business Associate Agreement (BAA). This ensures that any Protected Health Information (PHI) within your documents is handled with the required safeguards.

  • Securely handle patient consent forms and other PHI.
  • Demonstrate due diligence in protecting patient data.
  • Avoid costly fines associated with HIPAA violations.

GDPR & Data Processing Agreements

Operating in Europe or handling data of EU citizens? We provide Data Processing Agreements (DPAs) and data residency options to help you meet your GDPR obligations for data protection and privacy.

  • Comply with strict EU data sovereignty and privacy laws.
  • Build trust with European customers and partners.
  • Simplify cross-border data handling and agreements.

Advanced Authentication Implementation

We help you configure and deploy multi-factor authentication methods for your high-value transactions. This service includes setting up SMS verification, Knowledge-Based Authentication (KBA), or integrating with your existing identity providers.

  • Add an extra layer of security for sensitive documents.
  • Reduce the risk of identity fraud in signing processes.
  • Choose the right level of authentication for each transaction.

Custom Security Policy Configuration

Your business has unique security rules, and we help you enforce them. Our team assists in configuring custom policies, such as password complexity, session timeouts, and IP address restrictions, to align the platform with your corporate security posture.

  • Enforce your internal security standards automatically.
  • Gain granular control over user and account behavior.
  • Improve your overall security posture with tailored settings.

API Security & Integration Review

When you build with our API, our security experts are available to review your integration architecture. We provide best-practice guidance to ensure you are implementing our eSignature API in a way that is both secure and scalable.

  • Launch your integration with confidence in its security.
  • Avoid common pitfalls that can lead to vulnerabilities.
  • Optimize your API calls for performance and reliability.

Single Sign-On (SSO) Integration

Streamline user access and improve security by integrating eSignly with your corporate identity provider (e.g., Okta, Azure AD, Ping). We guide you through the SAML or OpenID Connect setup to provide seamless, secure login for your employees.

  • Simplify user management for IT teams.
  • Enhance security by centralizing authentication.
  • Improve user experience with one-click access.

Data Encryption Key Management

For enterprise clients with extreme security needs, we offer consultation on advanced key management strategies. This can include options for customer-managed encryption keys (CMEK), giving you ultimate control over your data's encryption.

  • Achieve the highest level of data control and security.
  • Meet specific, stringent corporate or regulatory mandates.
  • Revoke access to data at the encryption key level.

Vulnerability & Penetration Testing Support

We provide you with our latest SOC 2 and penetration test reports to support your own vendor due diligence process. For enterprise clients, we can facilitate and coordinate on-demand testing of our shared environments.

  • Satisfy your internal security and vendor management requirements.
  • Gain third-party validation of our security claims.
  • Accelerate your procurement and security review process.

Secure Document Archiving & Retention

We help you configure automated document retention and purging policies to align with your legal and data management requirements. Securely store what you need, and automatically dispose of what you don't to minimize your data footprint.

  • Automate compliance with data retention laws.
  • Reduce long-term data storage risks and costs.
  • Ensure documents are not kept longer than necessary.

Role-Based Access Control (RBAC) Workshop

Our team leads a workshop to help you map your organizational roles to platform permissions. We help you design and implement an RBAC structure that enforces segregation of duties and the principle of least privilege.

  • Prevent unauthorized access to sensitive documents and features.
  • Simplify onboarding and offboarding of employees.
  • Create a scalable permissions model as your team grows.

On-Premises Deployment Consultation

For government agencies or financial institutions with 'no cloud' policies, we offer consultation and professional services for deploying eSignly in your own data center, giving you complete physical control over the entire system.

  • Maintain 100% control over your data and infrastructure.
  • Meet the strictest data locality and security requirements.
  • Integrate directly with other on-premises systems.

Tamper-Proof Certificate Generation

This service focuses on the final, critical step of securing a document. We provide a deep dive into how our digital certificates are generated and applied, and how your team can independently verify the cryptographic integrity of any signed document.

  • Train your legal and compliance teams to be self-sufficient.
  • Gain a deep understanding of the technology that guarantees integrity.
  • Independently prove the validity of a document without relying on us.

Security Training & Best Practices Workshop

Technology is only part of the solution. We offer workshops for your employees on best practices for digital document security, including how to spot phishing attempts, the importance of strong passwords, and how to use eSignly's security features effectively.

  • Strengthen your human firewall against social engineering.
  • Increase adoption and correct usage of security features.
  • Foster a culture of security within your organization.

Proven Outcomes: Driving Security and Efficiency

Healthcare

Healthcare System Achieves HIPAA Compliance and Cuts Patient Onboarding Time by 75%

Avatar for Veronica Dale
Veronica Dale Chief Compliance Officer, Mid-Atlantic Health Partners

Problem: The client's manual, paper-based onboarding required patients to fill out dozens of pages upon arrival, leading to long wait times and data entry errors. These physical documents, containing sensitive PHI, were difficult to track, store securely, and retrieve for audits, creating a major compliance liability.

"eSignly didn't just sell us software; they gave us a compliant workflow. Their team understood the nuances of HIPAA, and the platform's audit trail is exactly what we need to show to auditors. We have peace of mind knowing our patient data is secure, and our staff is free from the burden of paper."

Key Outcomes:

  • Achieved 100% compliance with HIPAA for patient intake forms.
  • Reduced average patient onboarding time from 25 minutes to 6 minutes.
  • Eliminated 95% of data entry errors from illegible handwriting.
Financial Technology

Fintech Firm Secures $50M Funding Round with Ironclad API-Driven Agreements

Avatar for Parker Hudson
Parker Hudson CTO & Co-Founder, Apex Capital Investments

Problem: The firm was handling high-value, complex investment documents via email. This process lacked a verifiable audit trail, was vulnerable to man-in-the-middle attacks, and created friction for investors who expected a modern, secure digital experience. This security gap was a major red flag for institutional investors.

"For our business, the integrity of a signed contract is everything. eSignly's API allowed us to build a seamless, professional signing experience right into our platform. The tamper-proof audit trail and bank-grade encryption were key selling points that gave our investors the confidence to transact with us digitally."

Key Outcomes:

  • Reduced contract execution time for new investments by 90%.
  • Passed security due diligence from 5 major VC firms without issue.
  • Increased investor conversion rate by 15% due to the improved, trustworthy experience.
Life Sciences

Global Pharmaceutical Company Validates System for 21 CFR Part 11 Compliance

Avatar for Quentin Carter
Quentin Carter Director of Quality Assurance, BioGenix Therapeutics

Problem: The company could not move to a fully digital workflow for regulated processes because their current tools lacked the specific controls required by 21 CFR Part 11. This included the inability to link a signature to a specific record, lack of unique user login enforcement, and insufficient audit trail details.

"eSignly's 21 CFR Part 11 module was a game-changer. It's not just a feature; it's a well-thought-out solution that addresses the specific requirements of the regulation, from signature manifestation to the audit trail content. Their validation support package saved us months of work."

Key Outcomes:

  • Successfully validated the system for 21 CFR Part 11 use in under 3 months.
  • Reduced document approval cycle times from weeks to days.
  • Saved an estimated $500,000 annually in printing, shipping, and storage costs.
Security Lifecycle

The Security Lifecycle: How We Protect Your Documents

We do not just capture a signature; we secure the entire chain of custody. From the moment you upload a document to the final archive, our platform employs multi-layered protocols to guarantee integrity, authenticity, and compliance.

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Encrypted Ingestion

Every document uploaded is immediately protected with AES-256 encryption. We treat your data as sensitive from the millisecond it hits our servers, ensuring your documents remain private throughout the lifecycle.

Identity Verification

We ensure the right person is signing. Whether through multi-factor authentication, SMS passcodes, or Knowledge-Based Authentication (KBA), we confirm signer identity before access is ever granted to the document.

Tamper-Evident Execution

As signatures are applied, the document is digitally sealed. Our PKI technology creates a cryptographic seal, ensuring that any post-signing alteration is immediately detected and flagged as a security event.

Immutable Audit Log

We capture every interaction—IP address, timestamp, device metadata, and email—into a tamper-proof audit trail. This record serves as court-admissible evidence, providing a verifiable history of the entire signing process.

Certified Compliance Storage

Final documents are stored in highly secure, redundant environments compliant with SOC 2, ISO 27001, and HIPAA. We enforce strict data retention policies to align with your legal and regulatory requirements.

Review Our Security Standards

Technical Expertise & Security Architecture

AES-256 Encryption

The industry standard for protecting data at rest, ensuring your stored documents are unreadable to unauthorized parties.

TLS 1.3

The latest protocol for securing data in transit, protecting your documents from eavesdropping as they travel over the internet.

SHA-256 Hashing

A cryptographic function used to verify document integrity. A unique 'fingerprint' of the document is created, and any change, no matter how small, will alter this fingerprint.

ISO/IEC 27001

An international standard for information security management, proving we have a systematic approach to managing sensitive company and customer information.

SOC 2 Type II

An independent audit report that validates our controls for security, availability, processing integrity, confidentiality, and privacy over time.

HIPAA Security Rule

A US federal law requiring specific protections for Protected Health Information (PHI). We implement these technical safeguards for healthcare clients.

FDA 21 CFR Part 11

A US FDA regulation for electronic records and signatures in the life sciences industry, requiring specific controls we provide.

GDPR

The EU's data protection regulation. Our systems and processes support data subject rights and data residency requirements.

UETA & ESIGN Act

The foundational US laws that give electronic signatures their legal standing, which our platform is built to comply with.

OAuth 2.0

The standard for API authorization. It allows secure, delegated access to our API without sharing user credentials.

SAML 2.0

The primary protocol for Single Sign-On (SSO), allowing enterprise users to log in with their corporate credentials.

Public Key Infrastructure (PKI)

The technology framework used for our tamper-sealing digital certificates, providing a high degree of assurance in document integrity.

AWS Key Management Service (KMS)

A secure, managed service we leverage for creating and controlling encryption keys, a core part of our data protection strategy.

OWASP Top 10

We design and test our application to defend against the top 10 most critical web application security risks identified by the Open Web Application Security Project.

FIPS 140-2

A US government standard for cryptographic modules. The underlying cryptographic libraries we use are FIPS 140-2 validated, a requirement for many government contracts.

The Security Gap

Security: A Non-Negotiable Standard

Don't leave your legal agreements to chance. See how generic digital signing tools compare against eSignly’s secure, compliant infrastructure.

Generic & Free Tools

Basic digital signing tools often prioritize speed over substance, creating hidden liabilities for your business.

  • Vague, non-specific audit trails
  • Basic encryption; vulnerable to tampering
  • No specialized compliance (HIPAA/FDA)
  • Data stored in unknown jurisdictions
  • Limited support for enterprise needs

eSignly Secure Enterprise

Our platform is built to be a fortress of digital trust, ensuring your agreements are legally binding and audit-ready.

  • Forensic Audit Trails: Every click logged
  • Bank-Grade Security: AES-256 + PKI
  • Compliance Certified: HIPAA, 21 CFR Part 11
  • Data Sovereignty: Localized residency
  • Expert Support: Dedicated compliance help

Trusted by Professionals Worldwide

Hear from the compliance officers, CTOs, and legal leaders who rely on eSignly for their secure, mission-critical document workflows.

Avatar for Rachel Manning

"The legal enforceability of our contracts is my top priority. eSignly's detailed audit trail and tamper-sealing technology give me the confidence that our agreements will hold up under scrutiny. It's a foundational tool for our legal department now."

Rachel Manning General Counsel, Summit Manufacturing Group
Avatar for Xavier Frost

"We needed a secure eSignature API to embed in our HR platform. eSignly's documentation was clear, the API was robust, and their security posture passed our rigorous vendor assessment with flying colors. A true developer-first, security-conscious partner."

Xavier Frost CTO, Innovatech Software
Avatar for Olivia Bishop

"Navigating HIPAA is complex, but eSignly makes the document signing part easy. Having a BAA in place and features designed for PHI gives us peace of mind. Their support team is also knowledgeable about compliance, which is a huge plus."

Olivia Bishop Compliance Manager, SecureHealth Diagnostics
Avatar for Warren Doyle

"As a startup, we need to build trust from day one. Using eSignly for our client agreements shows we take security seriously. It's an affordable solution that gives us the same level of security as the big banks."

Warren Doyle Founder & CEO, Sprout Financial
Avatar for Kaitlyn Drummond

"We process thousands of contracts a month across multiple countries. eSignly's platform is scalable, reliable, and the data residency options were critical for us to meet GDPR requirements in Europe. It just works."

Kaitlyn Drummond Director of Operations, Global Logistics Inc.
Avatar for Samuel Gordon

"The 21 CFR Part 11 features are not just a marketing claim. The system enforces the controls we need for FDA compliance, and the audit trail contains all the necessary details. It has made our validation process significantly smoother."

Samuel Gordon Quality Assurance Lead, Pharma-Grade Solutions

The Architects of Your Digital Trust

Security isn't just code; it's a culture. Our team brings decades of combined experience in enterprise security, regulatory compliance, and AI-driven architecture. We don't just provide a tool; we provide the peace of mind that comes from being protected by the best.

Avatar for Kuldeep K.

Kuldeep K.

Founder & CEO

Expert in Enterprise Growth Solutions. Kuldeep leads our vision for a secure, digitized future, ensuring that every solution we build scales effectively for organizations of all sizes.

Avatar for Vikas J.

Vikas J.

Divisional Manager - SecOps

Certified Ethical Hacker and Enterprise Cloud expert. Vikas ensures our infrastructure is hardened against modern threats, overseeing our proactive security posture and compliance protocols.

Avatar for Joseph A.

Joseph A.

Cybersecurity & Software Engineering

A specialist in cryptographic integrity and secure software lifecycles. Joseph bridges the gap between deep technical implementation and robust security architecture.

Avatar for Akeel Q.

Akeel Q.

AI & Machine Learning Specialist

A pioneer in Quantum Computing and AI-driven security. Akeel ensures that our platform remains future-ready, leveraging advanced analytics to identify and neutralize potential vulnerabilities.

SaaSEnterpriseAPIOn-Prem

Engagement & Deployment Models

Choose the deployment path that aligns with your technical infrastructure, security mandates, and business scalability requirements.

Business Plan (Standard SaaS)

Ideal for: Teams and businesses needing robust security features out-of-the-box.

  • All core security features (Encryption, Audit Trails)
  • Advanced authentication options
  • Custom branding and templates
  • Team management and role-based access

Timeline: Immediate Access

Commercials: Per user, per month subscription. See pricing page for details.

Enterprise Security & Compliance Package

Ideal for: Regulated industries (Healthcare, Finance, Life Sciences) or large organizations.

  • All Business Plan features
  • Single Sign-On (SSO) integration
  • Dedicated compliance modules (HIPAA, 21 CFR Part 11)
  • Advanced security and access control policies
  • Data residency options and uptime SLAs

Timeline: 1-2 week setup & configuration

Commercials: Custom quote based on users, volume, and specific compliance needs.

eSignature API Implementation

Ideal for: Technology companies wanting to embed secure signing into their own product.

  • Access to our full-featured eSignature API
  • Developer sandbox for testing
  • API security review consultation
  • Volume-based pricing tiers
  • Webhook and callback support

Timeline: Get your first API document signed in 1 hour!

Commercials: Monthly subscription based on API call volume. See API plan for details.

On-Premises Deployment

Ideal for: Government or financial institutions with strict data isolation requirements.

  • A licensed version of the eSignly platform to run in your data center
  • Professional services for installation and configuration
  • Annual support and maintenance agreement
  • Complete control over data and infrastructure

Timeline: 4-8 week deployment project

Commercials: Annual license fee plus professional services engagement. Contact sales for a quote.

Common Questions

Everything You Need to Know About Security

We have compiled the most critical questions from our enterprise and technical partners. If you have a specific inquiry not listed here, our security team is ready to assist.

Are electronic signatures legally binding?

Yes. eSignly signatures are legally binding under the U.S. ESIGN Act, UETA, and the EU's eIDAS regulation. We provide the necessary audit trails and tamper-evident technology to ensure your documents stand up in court.

How do you support HIPAA and 21 CFR Part 11 compliance?

We provide dedicated compliance modules for these specific mandates. For HIPAA, we sign a Business Associate Agreement (BAA) and implement safeguards for PHI. For 21 CFR Part 11, we enforce unique user credentials, signature manifestations, and specific audit controls required by the FDA.

What encryption standards does eSignly use?

We utilize bank-grade AES-256 bit encryption for all documents at rest and TLS 1.3 for data in transit. This multi-layered approach ensures your sensitive information remains secure from unauthorized access at every point of the lifecycle.

Can I integrate your eSignature capabilities into my own software?

Absolutely. Our RESTful eSignature API is designed for developers. It features OAuth 2.0 authentication, robust webhooks for real-time tracking, and comprehensive documentation. You can get your first API document signed in under an hour.

Where is my data stored?

We offer data residency options to meet your specific needs. Depending on your regulatory requirements, your data can be hosted in the USA, EMEA, or Australia, helping you comply with local data sovereignty laws and internal policies.

What happens if I get audited?

You are fully prepared. Every document signed via eSignly includes a detailed, time-stamped, and tamper-evident audit trail. This court-admissible record provides a chronological history of every action taken, which you can export for compliance reviews or legal proceedings.

How can I verify the identity of the signer?

We offer multiple layers of authentication beyond simple email links. You can configure SMS passcodes, Knowledge-Based Authentication (KBA), or integrate with your existing Single Sign-On (SSO) provider (like Okta or Azure AD) to ensure your signers are verified before they access the document.

How long does it take to implement eSignly?

For our SaaS platform, implementation is immediate. For enterprise API integrations or on-premises deployments, we have a structured onboarding process. Most API clients go from 'hello world' to production in less than a week, supported by our dedicated developer success team.

How does eSignly provide ROI compared to paper-based processes?

Our solution dramatically reduces the time, labor, and overhead costs associated with printing, shipping, and manual tracking of documents. By accelerating cycle times by up to 90%, you reduce your operational costs while eliminating the risks of lost documents and data entry errors.

Why should I trust eSignly over cheaper competitors?

We prioritize security and compliance over low-cost, insecure alternatives. With over a decade of experience, 95%+ user retention, and independent certifications (SOC 2 Type II, ISO 27001), we provide the peace of mind that a "budget" solution simply cannot match. In business, the cost of a security breach far outweighs the savings of a cheaper tool.

Future-Proofing Digital Integrity: Our 2026 Security Roadmap

Security is not a destination; it is an evolving intelligence. As digital threats scale with AI, our defenses are evolving to match. We are building the next generation of trust, ensuring your agreements remain ironclad against both current and emerging risks.

The Self-Defending Document Ecosystem

Security is an arms race. Hackers leverage AI; we must leverage it better. Our 2026 roadmap centers on proactive, AI-driven defense mechanisms that move beyond static encryption.

  • Predictive Threat Modeling: Real-time heuristic analysis to identify and neutralize anomalies in signing workflows before a breach occurs.
  • Adaptive Biometric Verification: Moving past passwords to behavioral analysis, ensuring the signer is who they claim to be based on unique interaction patterns.
  • Quantum-Resistant Architecture: Developing cryptographic protocols designed to withstand the future emergence of quantum computing threats.

"We don't just secure your data today; we build the infrastructure that protects your legacy tomorrow."