A digital signature will let you lock down a PDF document with a trusted digital ID that encrypts the document, identifies you as the document owner with a unique identifier, and adds a visible proof of authentication via a blue bar that appears across the top of the document. And just like all passwords, the password needs to be long and strong and unique.ģ.) An additional, even more stringent security can be applied in Adobe Acrobat DC Pro (and previous versions of Acrobat) by creating a digital signature. This is a good security method, though Acrobat warns that other PDF readers and conversion tools may not respect the restrictions.

You can apply password protection that requires a password to open the document, but you can also apply protection that includes disabling printing, editing or copying of the document. There are many options to choose from and you can add any text you like, for instance “Do Not Alter” or “Final.”Ģ.) Next add password protection. To add a watermark type “Watermark” into the Search Tools box and choose “Add Watermark”. To create a PDF document that would be difficult to tamper with, including reproducing from a screenshot, you can take a three-step approach:ġ.) The first step is to apply a watermark.

This three-step process will create a document that is very difficult to alter or reproduce.

If you want to secure a PDF there are many ways to do so, but the strongest security is to apply a watermark, disable copying and printing, and apply a digital signature. You can also easily edit a PDF in Acrobat. Did you know that it is very easy to edit a PDF document unless you take steps to secure it? You can convert a PDF to Word in MS Word 2016 or in Adobe Acrobat and other PDF conversion applications.

Pdf file locker