The amount of security you achieve depends on the effectiveness of the controls you implement and how the system is designed. PDF restrictions (Adobe PDF permissions).PDF file security can consist of the following components: – that are relevant to the overall document controls you wish to achieve. So, PDF file security is delivered by a combination of different features – encryption, controls (digital rights management controls), etc. For example, you may want to stop users from copying text or printing PDFs. While PDF encryption is used to protect PDF documents so they can be securely sent to others, you may need to enforce other controls over the use of your documents to prevent authorized users using documents inappropriately.
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