10 Security ...................................................................................................................................................... 100
Protecting the computer ................................................................................................................... 100
Using passwords .............................................................................................................................. 101
Securing system devices ................................................................................................. 107
Using antivirus software ................................................................................................................... 109
Using firewall software ..................................................................................................................... 109
Installing critical updates .................................................................................................................. 110
Installing a security cable ................................................................................................................. 111
11 Software updates ...................................................................................................................................... 112
Updating software ............................................................................................................................ 112
Updating the BIOS ........................................................................................................................... 114
12 Backup and recovery ................................................................................................................................ 118
Backing up your information ............................................................................................................. 119
Performing a recovery ...................................................................................................................... 121
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