> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.dealsign.ai/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Is Dealsign digital signature secure?

# Is Dealsign digital signature secure?

Dealsign is Advanced Electronic Signature by EU and US standards (eIDAS, ESIGN). With advanced security level features, Dealsign digital signature is more secure than most other digital signature services on the market.

Users must be registered and logged in to the system when signing documents, and two-factor authentication is used when the system recognises need for extra security.

Two-factor authentication is an extra layer of security for your Dealsign account designed to ensure that you're the only person who can access your account, even if someone knows your password.