Lenovo ThinkCentre E93z - Windows Passwords; Using and Understanding Firewalls; Protecting Data against Viruses

•AdministratorPassword:SettinganAdministratorPassworddetersunauthorizedusersfromchanging
configurationsettings.Ifyouareresponsibleformaintainingtheconfigurationsettingsofseveral
computers,youmightwanttosetanAdministratorPassword.Formoreinformation,see“Administrator
Password”onpage58
.
Youdonothavetosetanypasswordstouseyourcomputer.However,usingpasswordsimproves
computingsecurity.
Windowspasswords
DependingonyourversionoftheWindowsoperatingsystem,youcanusepasswordsforavarietyof
features,includingcontrollingloginaccess,accesstosharedresources,networkaccess,andindividualuser
settings.Formoreinformation,see“HelpandSupport”onpage87.
Usingandunderstandingfirewalls
Afirewallcanbehardware,software,oracombinationofbothdependingonthelevelofsecurityrequired.
Firewallsworkonasetofrulestodeterminewhichinboundandoutboundconnectionsareauthorized.If
yourcomputerispreinstalledwithafirewallprogram,ithelpsprotectagainstcomputerInternetsecurity
threats,unauthorizedaccess,intrusions,andInternetattacks.Italsoprotectsyourprivacy.Formore
informationabouthowtousethefirewallprogram,refertothehelpsystemofyourfirewallprogram.
TheWindowsoperatingsystempreinstalledonyourcomputerprovidestheWindowsFirewall.Fordetailson
usingtheWindowsFirewall,referto“HelpandSupport”onpage87
.
Protectingdataagainstviruses
Yourcomputerispreinstalledwithanantivirusprogramtohelpyouguardagainst,detect,andeliminate
viruses.
Lenovoprovidesafullversionofantivirussoftwareonyourcomputerwithafree30-daysubscription.After
30days,youmustrenewthelicensetocontinuereceivingtheantivirussoftwareupdates.
Note:Virusdefinitionfilesmustbekeptup-to-datetoguardagainstnewviruses.
Formoreinformationabouthowtouseyourantivirussoftware,refertothehelpsystemofyourantivirus
software.
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