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23 Mar 2017

Mafunso Ofunsana - Mayankho a Ophunzira a Chitetezo cha Cyber

Kukonzekera kukukula mofulumira, ndipo zoopsa zotetezeka pa intaneti zikuyendera kuti zikhale zovuta kuzidziwitsa. Kwa masiku ano magulu a cybercriminal akugwira ntchito, njira yachizolowezi yothetsera zoopsa sizikhalanso zovuta. Chifukwa chake, akatswiri a chitetezo cha cyber akudalira kuwonjezera mphamvu zawo mosasinthasintha pamene malo otetezera amasintha. Amapereka uphungu ndi chithandizo chapadera kuti athandize makasitomala kukonza ntchito yawo yoteteza ndi ngozi. Nazi mafunso ochepa kwa iwo:

Mafunso a mafunso a 20 ndi Mayankho a akatswiri a Cyber-Security

Kodi muli ndi chiyani pazinyumba zanu?

Pulogalamu ya Windows yojambulidwa ndi mawotchi osakanikirana, telefoni monga momwe mungathere kuntchito za 14 Linux, Active Directory Domain Controller, yomwe inapereka zipangizo za Firewall ndi zowonjezereka.

Kodi ndi polojekiti iti yomwe mwasonkhanitsa yomwe munganene kuti mumasangalala nayo?

Mosasamala kanthu kuti polojekiti yanu ndiyomweyi ngati nthawi yoyamba pamene munasintha kondomu yamasewero kapena munasonkhanitsa PC yanu yoyamba kapena zovuta monga kulemba pulogalamu, cholinga cha funso ili ndi kusonyeza changu chanu. Izi zinaphunzitsidwa pakati pa chitetezo cha cyber kukonzekera.

Kodi "jekeseni la SQL" ndi chiyani?

Imodzi mwa njira zowonongeka nthawi zonse zomwe zimagwiritsidwa ntchito ndi omvera kuti apeze deta yapadera. Olemba mapulogalamu amayang'ana kutsegulira kwina kulikonse momwe angapititsire mafunso a SQL, omwe amachoka pa kufufuza kwa chitetezo ndikubwezeretsa deta yofunikira.

Kodi SSL kugwirizana ndi gawo SSL?

Kugwirizana kwa SSL ndikutumizirana mauthenga omwe amatha kufalitsa nthawi zonse pomwe mgwirizano uliwonse umagwirizana ndi SSL Session imodzi. Gawoli likhoza kukhala ngati mgwirizano pakati pa makasitomala ndi seva, mwachindunji chachikulu mwa kugwiritsa ntchito pulojekiti.

Kodi njira zitatu zowunikira munthu ndi ziti?

Chinachake chomwe ali nacho (chizindikiro), Chinachake chomwe amachidziwa (chinsinsi chachinsinsi) ndi zinazake (biometrics). Izi zowonjezereka nthawi zina zimagwiritsa ntchito mawu achinsinsi ndi kukhazikitsa chizindikiro, ngakhale kuti nthawi zina ikhoza kukhala PIN ndi thumbprint.

Njira zosiyana mu Kuyezetsa chitetezo?

White Box-Zonsezi zimaperekedwa kwa analyzers, Black Box-Palibe deta yoperekedwa kwa analyzers ndipo iwo akhoza kuyesa dongosolo mu malo odalirika, Bokosi lakuda-Dera lapadera liri ndi analyzers ndi mpumulo iwo akuyenera kuti aike onse okha.

Kodi seva ya intaneti ndi yotani?

Zowonongeka kawirikawiri zomwe seva la intaneti lingagwiritse ntchito ndi: Kusintha, Kusasintha kwapadera, Bugs mu dongosolo la ntchito ndi ma seva a pawebusaiti.

Kodi Traceroute kapena tracert ndi chiyani?

Kukulolani kuti mudziwe kumene kusokonezeka komwe kwagwirizanako kwachitika mwa kukuwonetsani mzere wolumikizana bwino kuchokera ku chosinthana kuti mutembenuzire kumalo omaliza.

Thupi la seva la Linux: Masiteji atatu kuti ateteze dongosolo lililonse

Ndondomeko zitatu kuti muteteze dongosolo lililonse: Kufufuza, Kukhwima, Kumvera.

Kodi salting ndi chiyani chomwe chimagwiritsidwa ntchito?

Wopempha wanu akunena za salting mawu achinsinsi koma akuyesera kukugwiritsani ntchito pogwiritsa ntchito gawo lalikulu la mawuwo. Ndicho chitetezo chokhala ndi chitetezo chokwanira kwa passwords ndipo ndi nthawi imene mudzafunikila kuti mudziwe.

Gawo likugwiritsidwa ntchito ngati gawo la SSL?

SSL imagwiritsidwa ntchito popanga kugwirizana pakati pa PC ndi makasitomala. Kugwiritsa ntchito gawo lomwe likugwiritsidwa ntchito ngati gawo la SSL: Handshake protocol, Mawerengedwe a zilembo, SSL Recorded protocol, Change Cipher Spec.

Kodi kupasula kwa WEP ndi chiyani?

Kusokoneza kwa WEP ndi njira yogwiritsira ntchito zovuta zokhudzana ndi chitetezo ku machitidwe akutali ndikuwonjezereka kusagonjetsedwa.

Ma Parameters omwe amaimira dziko la SSL?

Zigawo zomwe zikuwonetsera gawo la SSL ndizo: Kuzindikiritsa Gawo, Kukakamiza, Kutsimikiziridwa kwa anzanga, Chinsinsi cha Mphunzitsi, Cipher spec.

Kodi mungasunge bwanji nyumba yanu yopanda mawonekedwe opanda waya?

Pali njira zothandizira kuthana ndi malo otetezedwa opanda waya: osatulutsa SSID, pogwiritsa ntchito WPA2 ndikugwiritsa ntchito kufufuza kwa MAC ndi omwe ali ambiri pakati pawo.

Kodi ndi makhalidwe otani a Kuyezetsa Chitetezo?

Pali zochitika zisanu ndi ziwiri za kuyesa chitetezo: kutsimikizirika, chitetezo, kuvomereza, kukhulupirika, kupezeka, osadziwika, osasintha.

Kodi kuyesa phuku ndi chiyani?

Maiko ndi malo omwe deta ikuyenda kudutsa njira iliyonse. Kusindikizidwa kwa madoko kuti mutsegule zotseguka zilizonse mu dongosolo zimadziwika kuti Port Scanning.

Kodi phishing ndi chiyani?

Njira yomwe imagwiritsidwa ntchito ponyenga anthu pa data potsanzira munthu woona mtima pa webusaiti yabwino monga Facebook kapena Hotmail, kuti atsegule kasitomala kuti alowe muzolemba zawo ndi data yachinsinsi. Akatswiri akulangizidwa momwe angapangire makasitomala akumbukira izi pakati pa kalasi yophunzitsira chitetezo cha cyber.

Kuwonetsa Kutsata Kowonjezera Kwadongosolo (NDIS)?

Amagwiritsidwa ntchito potsirizira kukayezetsa zochitika pa sub-net ndi kuyanjanitsa ndi zida zodziwika. Pakakhala kuti phokoso lililonse lachidziwitso limadziwika ndiye woyang'anira amatenga chenjezo.

Zida zomwe zimagwiritsidwa ntchito kuyembekezera masewera a webusaiti?

Kukonza Kutha, kukhazikitsa kolimba ndi kukonza mapulogalamu a seva, kutuluka kwa osagwiritsidwa ntchito ndi osasintha nkhani, kutali ndi bungwe la handicapping, ndi zina zotero.

Kodi HIDS ndi chiyani?

Njira ya HIDS kapena Host Intrusion Detection System ndi imodzi yomwe zikuwonetseratu kuti dongosolo lino likugwedezeka ndi zovuta kuwoneratu. Imafufuza ngati zolemba zoyambirira zimasinthidwa kapena kuchotsedwa ndiye alamu imatumizidwa kwa woyang'anira.

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