Esse livro se destina àquelas pessoas que gostam de informática e de aprender cada vez
mais. Não importa se ao usuário comum ou o técnico, todos se identificarão muito com a
obra. Os assuntos serão apresentados de maneira objetiva e universal. Mostrada em uma
linguagem clara mas direta, é como um livro de história. Explica, como, onde e por quê a
segurança na informática hoje é um problema tão grande. Ela está em nossa vida quando
retiramos dinheiro do caixa eletrônico, fazemos compras pela Internet e até quando tiramos
algum documento. Viver sem a Internet hoje é indispensável. Conhecer melhor a rede e os
seus perigos é imprescindível. O lado mais obscuro da computação atualmente é a segurança,
pois é uma faca de dois gumes. Se você sabe como invadir um sistema, sabe como protegê-lo
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