Attention Mac users: You might be aware of the insidious "Flashback" malware that propagated last week; really busts the conventional wisdom that Macs are immune from such things! You should check out the following story for a brief overview and links to explanations of what to do: <http://bit.ly/HpWA1p> Note: If you run the checkers listed in that article and one or both turn up positive, my recommendation is for you NOT to attempt the manual Flashback removal process unless you are comfortable with the MacOS console/command line; install the free Sophus app instead. And, only do the removal if those checkers come up positive. If the checkers come up negative, just make sure your updates are up-to-date and you should be fine. John -- John S. Erickson, Ph.D. Director, Web Science Operations Tetherless World Constellation (RPI) <http://tw.rpi.edu> <[log in to unmask]> Twitter & Skype: olyerickson