Lenovo thinkpad t540p, 20be0098rt [71/182] Using firewalls

Lenovo thinkpad t540p, 20be0098rt [71/182] Using firewalls
Deletingthedata.
Formattingyourharddiskdriveorsolid-statedrive,usingthesoftwareforinitializingit.
UsingtherecoveryprogramprovidedbyLenovotobringtheharddiskdriveorsolid-statedrivebackto
thefactorydefaultsettings.
Theseoperations,however,onlychangethelelocationofthedata;theydonotdeletethedataitself.In
otherwords,thedataretrievalprocessingisdisabledunderanoperatingsystemsuchasWindows.The
dataisstillthere,eventhoughitseemstobelost.Thus,itissometimespossibletoreadthedatabyuseof
specialsoftwarefordatarecovery.Thereisariskthatpeopleofbadfaithmightreadandmisusethecritical
dataonharddiskdrivesorsolid-statedrivesforunexpectedpurposes.
Topreventleakageofdata,itisimportantthatyoudeleteallthedatafromtheharddiskdrivewhenyou
disposeof,sell,orhandoveryourcomputer.Youcandestroythedataphysicallybysmashingtheharddisk
drivewithahammer,ormagneticallybymeansofstrongmagneticpower,thusmakingthedataunreadable.
Butitisrecommendedthatyouusethesoftware(payware)orservice(payservice)developedforthat
purpose.Theprocessmighttakeseveralhours.
Fordisposingofdataonthesolid-statedrive,LenovoprovidestheDriveEraseUtilityforResettingthe
CryptographicKeyandErasingtheSolidStateDrivetool.
Fordisposingofdataontheharddiskdrive,LenovoprovidestheSecureDataDisposaltool.
IfanEncryptionsolid-statedriveoraDiskEncryptionharddiskdriveissupportedandinstalledinyour
computer,youcanlogicallydisposeofallthedataonthedriveinashorttimebyerasingthecryptographic
key.Thedataencryptedwiththeoldkeyisnotphysicallyerasedbutremainsonthedrive;however,it
cannotbedecryptedwithouttheoldkey.ThisfeatureisavailablewithDriveEraseUtilityforResettingthe
CryptographicKeyandErasingtheSolidStateDrive.
Gotohttp://www.lenovo.com/supporttodownloadthesetools.
Usingrewalls
Ifyoursystemispreinstalledwitharewallprogram,itprotectsagainstcomputerInternetsecuritythreats,
unauthorizedaccess,intrusions,andInternetattacks.Italsoprotectsyourprivacy.
Formoreinformationabouthowtousetherewallprogram,refertothehelpinformationsystemthat
comeswiththeprogram.
Protectingdataagainstviruses
Yourcomputerispreinstalledwithanantivirusprogramsoyoucandetectandeliminateviruses.The
antivirusprogramisdesignedtohelpyoudetectandeliminateviruses.
Lenovoprovidesafullversionofantivirussoftwareonyourcomputerwithafree30-daysubscription.After
30days,youmustrenewthelicensetocontinuereceivingtheantivirussoftwareupdates.
Formoreinformationabouthowtouseyourantivirussoftware,refertothehelpinformationsystemof
yourantivirussoftware.
Chapter4.Security55

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