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OS X Yosemite: The Missing Manual by David Pogue

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Chapter 13. Accounts, Security & Gatekeeper

In an era when security is the hottest high-tech buzzword, Apple was smart to make security a focal point for OS X. It was already virus-free and better protected from Internet attacks than Windows. But OS X 10.10 is the most impenetrable Mac system yet, filled with new defenses against the dark arts. This chapter covers the whole range of them.

On the premise that the biggest security threat of all comes from other people in your home or office, though, the most important security feature in OS X is the accounts system.

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