1 Cybersecurity and hackers

This chapter covers

  • What cybersecurity is
  • The ideal reader for this book
  • What is and isn’t possible with cybersecurity
  • A mental model for approaching cybersecurity
  • What you will learn in this book and what we won’t be covering

Warwick Castle, in England, sits on a cliff overlooking the river Avon, in rural Warwickshire. Built by William the Conqueror in 1068, it’s been updated and enlarged over the centuries.

Castles have a simple job: to serve as obvious, strong defenses, protecting valuable assets. Giant stone purses, castles also naturally became centers of commerce, meeting places for merchants and decision makers—places of power and wealth.

The problem is that a castle is not subtle; a castle is a giant marker ...

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