When you eSign documents, your data is protected in several ways. First, the system uses special codes, called encryption, to scramble your information. This makes it unreadable to anyone who shouldn't see it. It's like writing a secret message that only the right person can understand. Second, eSign PDF Free platforms often use secure servers, which are like heavily guarded digital vaults. These servers have strong firewalls and other security measures to keep hackers out. Third, every time you sign, the system creates a digital record, or audit trail. This record shows who signed when they signed, and what changes were made. This helps to prevent fraud and ensures that everyone follows the rules.