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To improve your ability to keep yourself and your loved ones cybersecure, you need to understand what cybersecure means, what your goals should be vis-à-vis cybersecurity, and what exactly you’re securing against. While the answers to these questions may initially seem simple and straightforward, they aren’t. As you see in this chapter, these answers can vary dramatically between people, company divisions, organizations, and even within the same entity at different times.  While cybersecurity may sound like a simple enough term to define, in actuality, from a practical standpoint, it means quite different things to different people in different situations, leading to extremely varied relevant policies, procedures, and practices. Individuals who want to protect their social media accounts from hacker takeovers, for example, are exceedingly unlikely to assume many of the approaches and technologies used by Pentagon workers to secure classified networks.