"Prompt Password for all open sessions The sudo command must be configured to prompt for the administrator user's password at least once in each newly opened Terminal window or remote login session, as this prevents a malicious user from taking advantage of an unlocked computer or an abandoned login session to bypass the normal password prompt requirement. Without the tty_tickets option, all open local and remote login sessions would be authenticated to use sudo without a password for the duration of the configured password timeout window."

[yes/no]

Fix:Edit the /etc/sudoers file to contain the line: Defaults tty_tickets