Chapter 4. Know Yourself and Know Your Enemy

Know Yourself and Know Your Enemy

If you know others and know yourself, you will not be imperiled in a hundred battles.

 --Sun Tzu

Executive Summary

Sun Tzu aptly noted that generals who knew both themselves and their adversaries would not be imperiled in one hundred battles, but that those who knew only themselves or knew only their enemies would prevail only half of the time. Still worse, Sun Tzu predicted that those leaders who knew neither themselves nor their opponents would be in peril during every conflict.

Today’s security professional faces a similar situation. On one hand, the security manager is charged with the familiar territory ...

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