Caution, Mac users:: “gotomypc” does not notify the user when someone else is connected to the computer remotely. (“logmein” does.)
Also, check the system preferences for Apple’s Mobile Me setting for “Back To My Mac.” This option controls who has remote desktop into the Mac. Check the logs under either/system/Library/Logs or ~/library/logs.
SecureMac is a site devoted to Apple Macintosh security and Mac OS X Security. Check this page frequently for updates and new security products for the Mac OS.
Google provides advice and tools for managing Apple Macintosh in a corporate environment.