Daim Ntawv Sau Zero Yog Dab Tsi?

Cov ntsiab lus ntawm Daim Ntawv Sau Cov Zero Cov Ntaub Ntawv Cuam Tshuam

Ntau cov ntaub ntawv shredder thiab cov ntaub ntawv kev puas tsuaj pab txhawb sau Cov Ntawv Xoom software raws li cov ntaub ntawv kev kho mob kom sau tau cov ntaub ntawv tseem ceeb ntawm kev cia khoom xws li tsav tsheb nyuab .

Kev Sau Cov Zero cov ntaub ntawv yuav tsum tsis txhob kho cov khoom kho dua tshiab los ntawm kev rho tawm qee yam ntawm cov ntaub ntawv deleted, tab sis nws yuav tsis tiv thaiv tag nrho software raws li cov ntaub ntawv rov qab los ntawm cov lus qhia tawm ntawm tus tsav.

Ceebtoom: Sau Xoom txujci qee zaus, thiab ntau dua, raug xa mus rau hauv Txoj Kev Sau Ib Leeg . Nws kuj yuav raug hu ua xoom sau los sis xoom sau .

Daim ntawv Xaj Ua Li Cas?

Qee cov ntaub ntawv kev zom cov ntaub ntawv, xws li Gutmann thiab DoD 5220.22-M , yuav sau cov cim uas muaj ntau dua cov lus qhia txog cov tsav tsheb. Txawm li cas los xij, Txoj Kev Xoom Zoom cov ntaub ntawv yuav tsum yog txoj kev xav tsis zoo, feem ntau yog siv raws li hauv qab no:

Qee cov kev siv ntawm Daim Ntawv Sau Zero kuj muaj xws li kev kuaj xyuas tom qab thawj zaug, sau tus cim tsis tshaj xoom, los yog sau tau zeros ntau ntau dhau, tab sis cov tsis yog cov kev ua ntawm kev ua.

Tswv yim: Feem ntau ntawm cov software programs uas txhawb Sau Xoom muab ib txoj kev rau koj los kho qhov ua cim thiab cov sijhawm ntawm qhov kev kuaj xyuas ntawd. Hais tias, hloov cov neeg txaus thiab koj tsis tshua siv Sau Xoom ntxiv lawm.

Puas Yog Sau Xoom Txaus rau Kev Tawm Cov Xov Xwm?

Feem ntau yuav muaj, yog. Txawm li cas los ...

Qee cov ntaub ntawv kev noj qab haus huv cov ntaub ntawv hloov koj cov ntaub ntawv tsis tu ncua, nyeem tau nrog cov cim cim. Raws li tau hais saum toj no, Sau Xoom tsis zoo li qub tab sis siv, zoo ... zeros. Nyob rau hauv ib txoj kev txiav txim zoo, yog tias koj so ib lub zog tsav nrog zeros thiab ces muab pov tseg, koj random dumpster diver leej twg tau tuav ntawm nws yuav tsis tau rov qab tau txhua yam ntawm koj cov ntaub ntawv deleted.

Yog tias qhov tseeb ntawd, koj yuav xav tias, yog vim li cas lwm hom ntaub ntawv tawm cov kev cai txawm muaj nyob. Nrog rau tag nrho cov ntaub ntawv so tej kev muaj, dab tsi yog lub hom phiaj ntawm lub voj voog sau-nqi? Cov ntaub ntawv Random , piv txwv li, sau cov cim ua cim rau cov tsav tsis zeros, yog li cas nws txawv dua li sau Xoom los yog lwm tus?

Ib qho yog tsis yog li cas tus cwj pwm tab tom sau ntawv tab sis npaum li cas tus qauv yog nyob ntawm overwriting cov ntaub ntawv. Tsuas yog sau ib daim ntawv sau ua tiav nkaus xwb, thiab lub software tsis muaj tseeb tias txhua daim ntawm cov ntaub ntawv tau raug muab tshem tawm, ces tus qauv tsis yog yuav siv li cov kev ua haujlwm.

Ua lwm yam lus, yog tias koj siv Sau Xoom ntawm ib tus tsav thiab nws xyuas tias tag nrho cov ntaub ntawv muaj overwritten, ces koj tuaj yeem ntseeg tias cov ntaub ntawv yuav tsis tshuav zoo dua yog tias tib cov ntaub ntawv raug overwritten nrog cov ntaub ntawv Random tiam sis tsis muaj tseeb tias txhua lub sector raug hloov nrog cov cim cim.

Txawm li cas los xij, tej lub cim tseem ceeb kuj tseem muaj kev ywj pheej zoo tshaj lwm tus. Yog hais tias qhov kev pab cuam rov qab ua kom paub tias cov ntaub ntawv tau sau ntawm zeros xwb, nws ua kom yooj yim los ntawm cov ntaub ntawv tshwm sim dua li yog qhov kev pab cuam tsis paub cov cim siv, zoo li cov neeg nyob hauv txoj kev Schneier .

Ib qho laj thawj ntawm tag nrho lwm cov ntaub ntawv so cov kev ua haujlwm yog tias qee cov koomhaum xav ua pov thawj tias lawv cov ntaub ntawv raug muab tshem tawm hauv ib hom kev uas feem ntau yuav tiv thaiv tau kom rov qab, yog li lawv siv ib cov ntaub ntawv kho tsau nrog qee yam tsis zoo rau tag nrho lawv cov ntaub ntawv so .

Cov Kev Pab Txhawb Cov Ntawv Sau Npe Sau Xoom

Nyob rau hauv Windows 10 , Windows 8 , Windows 7 , thiab Windows Vista , hom kev ntseeg siab zoo , los ntawm lub neej ua ntej, siv Sau Zero sanitization txoj kev thaum lub sijhawm txheej txheem. Koj siv tau qhov kev hais kom ua nyob rau hauv kev hais kom ua tam sim los sau ntawv zeros mus rau ib qho nyuaj tsis muaj download tau lwm yam ntxiv software lossis tshwj xeeb cuab tam.

Saib Yuav Siv Cov Hom Phiaj Uas Sau Cov Ntawv Xaiv Tsa Yuav Tsum Tau Tsav Zog Txog Ib Leeg Tsav kom paub meej txog qhov no. Nws tsis yog ib qho yooj yim heev thaum nws hnov ​​thaum koj sim ua qhov no rau koj qhov system loj.

Tseem muaj cov kev pabcuam thib peb uas txhawb nqa Kev Sau Zero rau kev rho tawm cov ntaub ntawv, xws li DBAN , HDShredder , KillDisk , thiab Macrorit Disk Partition Wiper . Qee qhov kev pabcuam no siv tau los lwv tus tsav tsheb uas koj tabtom siv (xws li C drive) los ntawm lub disc los yog flash drive , thiab lwm cov neeg khiav haujlwm hauv kev khiav haujlwm khiav haujlwm rau lwm cov tsav, xws li cov uas tshem tawm.

Lwm cov cuab yeej siv Kev Sau Zero rau txoj kev xa cov ntaub ntawv tsis txhob txhua yam xws li cov kev pab cuam saum toj no ua. Ob peb cov qauv ntawm cov cuab yeej xws li ntawd yog WipeFile thiab BitKiller .

Feem ntau cov ntaub ntawv kev puas tsuaj pab txhawb ntau cov ntaub ntawv cia rau hauv kev sau ntawv Xoom, yog li koj tuaj yeem xaiv qhov sib txawv, yog xav tau, thaum koj qhib lub program.