Kev xaim hluav taws xob tsis raug cai, tab sis nws muaj tiag. Puas yog muaj peev xwm tiv thaiv koj tus kheej los ntawm kev sib tham xov tooj ntiag tug los ntawm cov neeg tsis tau tso cai?
Nws yog qhov tsim nyog
- - Cryptotelephone;
- - scrambler;
- - masker.
Cov Lus Qhia
Kauj ruam 1
Txhua yam ntawm lub xov tooj ntawm tes tuaj yeem tuaj yeem saib xyuas, thiab tsis tsuas yog lub sijhawm hu, tabsis txawm tias thaum koj hu xov tooj xaus. Qhov no yog qhov tsis tuaj yeem, tab sis qhov tseeb uas mloog xov tooj ntawm tes thaum tseem tsis tau hnov dua yog ua tau, hmoov tsis, qhov tseeb. Txoj kev pheej yig tshaj plaws los tiv thaiv koj tus kheej los ntawm "xov tooj" yog txwv tsis pub ua kev sib tham, zais cia lossis tsuas yog qhov tseem ceeb thiab muaj txiaj ntsig ntawm kev sib tham hauv xov tooj (ob qho tib si ntawm "tsis tu ncua" thiab hauv xov tooj ntawm tes).
Kauj ruam 2
Muaj lwm qhov, lwm txoj kev xaiv los tiv thaiv koj lub xov tooj ntawm eavesdropping. Yuav cov xov tooj crypto nrog kev sib tham hauv encryption. Nws raug nqi, ntawm chav kawm, tsis pheej yig, tab sis yog tias lawv tuaj yeem mloog koj, tom qab ntawd tsis txhua thiab tsis yooj yim raws li nws tau ua nyob rau hauv rooj plaub ntawm lub xov tooj ntawm tes zoo tib yam. Nco ntsoov tias cov xov tooj no tsuas yog siv los ntawm Megafon cov koom tes ua haujlwm.
Kauj ruam 3
Tiv thaiv koj lub xov tooj ntawm eavesdropping siv cov kev pabcuam tshwjxeeb (tsim feem rau kev sib txuas lus). Mus rau ntawm chav sib tham hauv xov tooj ntawm tes thiab nug txog cov khoom lag luam ntawm Australian tuam txhab kev ruaj ntseg GSM.
Kauj ruam 4
Tau txais scrambler - ib qho tshwj xeeb zais qhov muaj peev xwm ntawm lub sij hawm transcoding ntawm cov ntaub ntawv tuaj thiab tawm. Dock this ntaus ntawv rau koj txawb thiab qhib. Tom qab cov kauj ruam saum toj no, tus scrambler yuav cuam tshuam txhua lub cim yuav nkag mus rau hauv lub microphone, encrypt lawv thiab xa lawv hauv cov kev taw qhia. Cov ntaub ntawv kaw suab tseem yuav raug tiv thaiv los ntawm eavesdropping.
Kauj ruam 5
Yog hais tias tus scrambler tsis haum koj rau qee qhov laj thawj, yuav lub scrambler. Siv nws hauv tandem nrog lub xov tooj landline tsis tu ncua. Ua raws li cov lus qhia rau siv, txuas cov khoom ntxiv, thiab sai li sai tau thaum nws pib ua haujlwm, suab nrov yuav tshwm ntawm txoj kab. Lawv yuav tiv thaiv prying pob ntseg los ntawm kev nkag siab qhov tseem ceeb ntawm koj qhov kev sib tham. Koj tus kheej, tau kawg, yuav tsis hnov lub suab nrov. Txawm li cas los xij, koj tseem yuav tsis tiav ib puas feem pua tiv thaiv xov tooj tapping: tus masker ua haujlwm nyob rau hauv ib-txoj kev hom.