David Passell writes, "I have been using MacScan, the possible subject of a future meeting, for over a year and it has detected and removed 50 tracking cookies. Here are the latest for August 31, and September 4. (Double click on images to enlarge them.)
"Tracking Cookies are considered harmless as far as security is concerned, but they may spawn a junk E-mail. Some of you fearless pioneers using Snow Leopard might try downloading the trial version, see if it finds anything, and report back. Here is their address and more info. MacScan - Mac OS X Anti-Spyware Security and Privacy Protection ...
Isolates, detects and removes spyware, keystroke loggers, and trojan horses for Mac OS and Mac OS X."