[ubuntu] software updater not asking for password

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http://ubuntuforums.org – Hi everyone, Hopefully someone can help me with this. I noticed recently that the software updater is not asking for a password. It does not ask for a password when i click on the "install now" button, nor does it ask for a password when I click on the settings button. The settings button brings up the software sources window. I, for one, see this as a security risk especially the settings. I am aware that the install now button will ask for a password for new updates but I would like to be able to put a password for all updates. Is there any way of making the software upd (Hardware)