Ib qho ncaj ncees ntawm cov neeg siv koos pis tawj tsis quav ntsej txog kev nyab xeeb ntawm lawv cov ntaub ntawv. Lo lus zais yog ib qho tseem ceeb ntawm kev tiv thaiv cov ntaub ntawv no. Muaj ob peb tus as khauj nyob rau txhua qhov chaw, nyob ntawm txhua tus ntawm lawv siv tib tus password, feem ntau yog cov uas yooj yim. Txawm li cas los xij, kev tsim tus password zoo sai sai tsis yog qhov nyuaj li ntawd.
Txheeb rau qhov kev ntseeg nrov, nrhiav kom paub lo lus zais, tsis tas yuav mus dhau ntawm cov kev xaiv muaj nyob rau hauv daim ntawv ntawm nws nkag mus. Hackers, raws li txoj cai, nyiag cov zais zais cov ncaj qha los ntawm lub server thiab tsuas yog tom qab ntawd sim ua kom tawg nws siv cov phiaj xwm tshwj xeeb. Nrog txoj hauv kev no, lo lus zais yooj yooj yim uas tsis pub dhau 8 cim yuav muaj tseeb thaum lub sijhawm luv luv. Yog li, thawj qhov yuav tsum nco ntsoov ua ntej tsim tus password kom zoo yog tias nws yuav tsum ntev thiab muaj tsawg kawg 12 cim. Cov cim ntau ntawm tus lej zais, nws yuav ntseeg ntau dua nws yuav yog.
Thaum sau koj tus password, tsis txhob siv cov lus, hnub, cov tsiaj ntawv luv, lossis cov cim luv xws li "qwerty". Feem ntau raws li tus password, cov neeg siv xaiv cov npe ntawm cov tsiaj, lawv cov hnub yug, cov lej yooj yim ntawm cov lej, piv txwv li, "12345" lossis tsuas yog lo lus "password". Qhov ntau zaus ntawm kev siv cov password li no los ntawm cov neeg siv yog li ntawd siab tias cov tub rog tau muaj cov ntaub ntawv tshwj xeeb muaj lawv. Txhawm rau khaws cov password no, koj tsuas yog yuav tsum tau kuaj xyuas lawv kev ua raws nrog cov qauv npaj nrawm.
Lo lus zais sau zoo yuav tsum muaj ntau cov cim, nws yuav tsum yog kev sib txuam ntawm cov tsiaj ntawv, tus lej thiab cov cim tshwj xeeb ("*", "?", "", Thiab lwm yam). Lo lus zais zog tseem tuaj yeem txhim kho tau los ntawm kev siv cov tsiaj ntawv qis thiab ntawv loj tib lub sijhawm. Piv txwv ntawm cov lej zais zoo yog "oCM! Ui * p9h7 @@ 77Cd7 $ &" lossis "n% h3 ^ h! DM4kH6cy". Siv cov ntawv cim (password) no ua rau phau ntawv ua haujlwm nrog lawv kom yooj yim dua, tab sis lawv kev ntseeg tau tau zoo heev.
