[olug] Security in a simple home system

[Jack]

    At home I run Mandriva 2006, using a Cox cable modem and a Netgear 
router (with a 27 character password).  I have all the Mandriva 2006 
firewalls in place.  Recently I have noticed that my time display in the 
system tray changed itself to the Los Angeles time zone. 
    Then I began getting a popup telling me that 'kded' had crashed and 
offering to notify the KDE developers. Upon investigation, I noticed 
anywhere from 2 to 5 instances of 'kded' running.  They went away when 
killed but reappear when I reboot the machine. 
    I run a local, moderately controversial website: 
progressiveomaha.com.  My question is: do these sound like normal 
linux/mandriva errors, or am I somehow the target of a cracker?

    Jack