PDF has become a favored means of sharing documents, from business contracts to medical records. However, these digital files often contain confidential information that should remain hidden from ...

As much as we fail to give Apple's free Preview app enough respect, it is true that there are PDF editing jobs it can't do. Yet there are many third-party apps that will let you do the most remarkable ...

There may be times when your business needs to share sensitive documents with third parties without sharing confidential information on the documents. In those cases, you may find yourself needing to ...

WASHINGTON, Jan. 23 (UPI) -- The National Security Agency has issued technical guidance for U.S. officials on redacting or editing sensitive documents for release following a series of embarrassing ...