Lenovo ThinkPad Edge E220s - Using and Understanding Firewalls; Protecting Data against Viruses

Therearemethodsthatseemtodeletethedata:
•Movethedatatotherecyclebin,andthenchoosetheEmptyrecyclebincommand.
•UsetheDeletecommand.
•Formatyourharddiskdriveorsolidstatedrive,usingthesoftwareforinitializingit.
•Usingtherecoveryprogram,providedbyLenovo,bringtheharddiskdriveorthesolidstatedriveback
tofactory-shipstate.
Theseoperations,however,onlychangetheleallocationofthedata;theydonotdeletethedataitself.In
otherwords,thedataretrievalprocessingisdisabledunderanoperatingsystemsuchasWindows.The
dataisstillthere,eventhoughitseemstobelost.Thus,itissometimespossibletoreadthedatabyuseof
specialsoftwarefordatarecovery.Thereisariskthatpeopleofbadfaithmayreadandmisusethecritical
dataonharddiskdrivesorsolidstatedrivesforunexpectedpurposes.
Topreventleakageofdata,itbecomesveryimportantthatyoutakeresponsibilityfordeletingallthedata
fromtheharddiskdriveorsolidstatedrivewhenyoudisposeof,sell,orhandoveryourcomputer.Youcan
destroythedataphysicallybysmashingtheharddiskdrivewithahammer,ormagneticallybymeansof
strongmagneticpower,thusmakingthedataunreadable.Butwerecommendthatyoumakeuseofthe
software(payware)orservice(payservice)specicallydevelopedforthepurpose.
Fordisposingofdataontheharddiskdrive,LenovoprovidestheSecureDataDisposaltool.Todownload
theapplication,gototheLenovoWebsitehttp://www.lenovo.com/support.
Note:Runningtheapplicationwilltakeacoupleofhours.
Ifyouusesoftwaredesignedforusewiththeharddiskdrivetodeletedatastoredonthesolidstatedrive,it
willeraseonlydatathatisaccessiblebynormaloperation.Itmaynoterasethehiddenareaoftheash
chip.Therefore,sometimesitmaystillbepossibletoreadthedatabyuseofspecialequipmentoraspecial
tool.Topreventleakageofdatafromthesolidstatedrive,itisrecommendedthatyoudeletealldata
ontheashchipsbyuseofanapplicationprovidedbyLenovo.ThisapplicationcalledtheThinkPad
SetupMenuExtensionUtilitymakesitpossibletoeraseallthedataontheashchipsofthesolidstate
drivefromtheThinkPadSetupwithinaminute.Todownloadthisapplication,gototheLenovoWebsite
http://www.lenovo.com/support.
IfEncryptionsolidstatedriveorDiskEncryptionharddiskdriveissupportedandinstalledinyourcomputer,
youcanlogicallydisposeofallthedataonadeviceinaveryshorttimebyerasingthecryptographickey.
Thedataencryptedwiththeoldkeyisnotphysicallyerasedbutremainsonthedisk;however,itcannotbe
decryptedwithouttheoldkey.ThisfeatureisenabledbytheThinkPadSetupMenuExtensionUtilityandis
availableasamenuitemintheThinkPadSetup.
Usingandunderstandingrewalls
Ifyoursystemispreinstalledwitharewallprogram,itprotectsagainstcomputerInternetsecuritythreats,
unauthorizedaccess,intrusions,andInternetattacks.Italsoprotectsyourprivacy.
Formoreinformationabouthowtousetherewallprogram,refertotheon-linehelpthatcomeswith
theprogram.
Protectingdataagainstviruses
Yourcomputerispreinstalledwithanantivirusprogramsoyoucandetectandeliminateviruses.The
antivirusprogramisdesignedtohelpyoudetectandeliminateviruses.
66UserGuide