http://www.gcn.com/25_4/tech-report/38253-1.html
Joab Jackson
"There are simple ways to prevent careless information leaking. Last December, the National Security Agency released guidance on how to clean up your documents before sending them out to the world. The document, Redacting with Confidence: How to Safely Publish Sanitized Reports Converted From Word to PDF, is a good start, but CSOs, office managers and system administrators should know of other dangers lurking in their office software - and how to root them out. "