I came up with a possibly a new way to detect intrusion today.  Its one of those simple ideas that can be implemented right away at marginal cost.  I'll likely file a patent so I am currently searching the web to see if there is anything similar out there.  Patent filing is a really painful process, so due diligence now can save me from a lot of agony later.  Don't worry, this is not going to be as idiotic as the One-Click patent.  <g>