Last week, a number of big Web sites, including Yahoo Inc., Buy.com Inc., eBay Inc. and Amazon.com Inc., were each shut down for a few hours by a series of distributed denial-of- service attacks. Now we
An old coworker of mine used to work for Unisys Corp. as a programmer. They had a new remote-access box attached to their mainframe, and shortly thereafter, began having problems with the mainframe rebooting. Tech support removed the remote access box, but no fix.