Officials at Lawrence Livermore National Laboratory are calling the <A HREF="http://www.sjmercury.com/svtech/news/breaking/merc/docs/001887.htm">Palm VII</A> personal organizer a potential security threat. Security officers believe the device would make it easier for spies to copy and transmit guarded information. Lab officials are banning the device under the Department of Energy's Technical Surveillance Countermeasures directives.