Three employees at Tucson’s University Medical Center fired for improperly accessing medical records of some of the victims in last Saturday’s shooting spree. Nurse working under contract for the hospital has also been terminated by her employer. Such incidents highlight challenges that hospitals and other organizations face in controlling insider access to confidential data. There have been numerous similar examples in the past where hospital employees have been caught snooping on medical records. Security analysts believe for every such incident that comes to light, there are many others involving less-known figures that go unreported.”]