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About document security When creating Adobe PDF documents, authors can use the following methods to enhance document security: ● ● ● ● Password security. You can add passwords and set security options to restrict opening, editing, and printing PDF documents. (See Adding passwords and setting security options Certification security. Encrypt a document so that only a specified set of users have access to it. (See Encrypting Adobe PDF files using certificates.) Adobe Policy Server. Apply server-based security policies to PDF documents. Serverbased security policies are especially useful if you want others to have access to PDF documents only for a limited time. (See Encrypting Adobe PDF files using security policies.) Document certification. When an author digital signature is added, editing changes are restricted and detected. (See Certifying documents.) If you often use the same security settings for a set of PDF documents, consider creating a security policy to simplify your workflow. (See Creating user security policies.) Related Subtopics: Opening Adobe PDF documents with security restrictions
