Acrobat XI includes powerful redaction and sanitization tools to let you permanently delete sensitive information from your PDF files, including hidden data.
Peleus Uhley explains how the "allowScriptAccess" parameter can dramatically change the relationship between Flash objects and the websites they're contained in.
What kind of information ends up in your SWF, and how much of it do you really want in there? Platform Security Strategist Peleus Uhley explores this issue.