Law #6: A computer is only as secure as the administrator is trustworthy.

Every computer must have an administrator: someone who can install software, configure the operating system, add and manage user accounts, establish security policies, and handle all the other management tasks associated with keeping a computer up and running. By definition, these tasks require that he have control over the computer. This puts the administrator in a position of unequalled power. An untrustworthy administrator can negate every other security measure you've taken. He can change the permissions on the computer, modify the system security policies, install malicious software, add bogus users, or do any of a million other things. He can subvert virtually any ...

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