It's not been a good week for PDFs and security. In the span of seven days, Adobe and Foxit, a rival PDF provider, released dozens and dozens of security patches for their respective software. Several ...

We get documents in PDF format from the government or other agencies. Some documents come with digital signatures placed on the pages. If they are already validated, we see a Signature Valid message ...

The Portable Document Format, or PDF, was originally developed by Adobe for use with its own Acrobat reader and editing software. PDF files are some of the most common types of documents, but now the ...