This article explains the limitations of the PDF file format and suggests several methods for editing PDF’s when you don’t have the original document available for editing.

My experience trying to perform some simple PDF edits on Ubuntu Linux using PDF Edit and OpenOffice.org’s PDF Import plug-in.

This post links to a free download of a document that I created to help users identify and avoid infection of the Win32/FakeSecScan virus. I encourage everyone to download, print, and distribute as many copies as they like. I think it will prove very useful!