Kutholwe ubungozi kuma-BIOS chips atholakala ezigidini zamakhompuyutha angashiya abasebenzisi bevulekele ukugetshengwa. … Ama-chip e-BIOS asetshenziselwa ukuqalisa ikhompuyutha nokulayisha isistimu yokusebenza, kodwa uhlelo olungayilungele ikhompuyutha luzohlala ngisho noma uhlelo lokusebenza lususiwe futhi lwafakwa kabusha.
Kungenzeka yini ukugebenga i-BIOS?
Umhlaseli angafaka engozini i-BIOS ngezindlela ezimbili—ngokusebenzisa ukuxhashazwa okukude ngokuletha ikhodi yokuhlasela nge-imeyili yobugebengu bokweba imininingwane ebucayi noma enye indlela, noma ngokuvinjwa ngokomzimba kohlelo.
Ingabe lingaba khona igciwane ku-BIOS?
I-BIOS / UEFI (i-firmware) amagciwane akhona kodwa ayivelakancane kakhulu. Abacwaningi babonise endaweni yokuhlola ubufakazi bamagciwane omqondo angashintsha i-flash BIOS noma afake i-rootkit ku-BIOS yezinye izinhlelo ukuze ikwazi ukusinda ekufomeni kabusha futhi iphinde ifake idiski ehlanzekile.
Ingabe i-rootkit ingakwazi ukuthelela i-BIOS?
Uma kungenjalo kwaziwa ngokuthi ama-rootkits, uhlelo olungayilungele ikhompuyutha oluqondiswe ku-BIOS/UEFI lungasinda ekufakweni kabusha kwe-OS. Abacwaningi bezokuphepha eKaspersky bathole i-rootkit endle ethelela i-UEFI (I-Unified Extensible Firmware Interface) i-firmware, okuyi-BIOS yosuku lwanamuhla.
Ingabe igciwane lingakwazi ukubhala phezu kwe-BIOS?
I-CIH, eyaziwa nangokuthi i-Chernobyl noma i-Spacefiller, iyigciwane lekhompyutha le-Microsoft Windows 9x elaqala ukuvela ngo-1998. Umthwalo wayo wokukhokhelwa ulimaza kakhulu izinhlelo ezisengozini, ubhala phezu kolwazi olubalulekile kumadrayivu esistimu angenwe yileli gciwane, futhi kwezinye izimo kucekela phansi i-BIOS yesistimu.
Ingabe i-BIOS yekhompyutha yonakala?
I-BIOS ye-motherboard eyonakele ingenzeka ngezizathu ezahlukahlukene. Isizathu esivame kakhulu ukuthi kungani kwenzeka kungenxa ye-flash ehlulekile uma isibuyekezo se-BIOS siphazamisekile. Uma i-BIOS yonakalisiwe, ibhodi lomama ngeke lisakwazi UKUTHUMELA kodwa lokho akusho ukuthi wonke amathemba aphelile. … Bese isistimu kufanele ikwazi UKUTHUMELA futhi.
Ingabe igciwane lingabhubhisa i-motherboard?
Njengoba igciwane lekhompyutha liyikhodi kuphela, ayikwazi ukulimaza ihadiwe yekhompyutha. Kodwa-ke, ingadala izimo lapho ihadiwe noma okokusebenza okulawulwa amakhompyutha konakaliswa. Ngokwesibonelo, igciwane lingase liyalele ikhompuyutha yakho ukuthi ivale izifeni ezipholile, okubangele ukuthi ikhompuyutha yakho ishise futhi ilimaze ihadiwe layo.
Amagciwane acasha kuphi kukhompyutha yakho?
Amagciwane angafihlwa njengokunamathiselwe kwezithombe ezihlekisayo, amakhadi okubingelela, noma amafayela alalelwayo namavidiyo. Amagciwane ekhompyutha nawo asabalalisa ngokulanda ku-inthanethi. Zingafihlwa kusofthiwe ehlaselwe noma kwamanye amafayela noma izinhlelo ongazilanda.
Lenzani i-macro virus?
Enzani ama-macro virus? Ama-Macro virus ahlelelwe ukwenza imisebenzi eminingi kumakhompyutha. Isibonelo, igciwane le-macro lingakwazi dala amafayela amasha, idatha eyonakele, hambisa umbhalo, thumela amafayela, fometha ama-hard drive, futhi ufake izithombe.
Kuyini ukuhlaselwa kwe-rootkit?
I-Rootkit yigama elisetshenziselwa uhlobo lohlelo olungayilungele ikhompuyutha oluklanyelwe ukuthelela i-PC eqondiwe futhi luvumele umhlaseli ukuthi afake isethi yamathuluzi amnikeza ukufinyelela okuqhubekayo ekude kukhompuyutha.. … Eminyakeni yakamuva, ikilasi elisha lama-rootkits eselula liye lavela ukuze lihlasele ama-smartphones, ikakhulukazi amadivaysi e-Android.
Iyini i-rootkit ye-UEFI?
I-Unified Extensible Firmware Interface (UEFI) iyinhlangano ukushintshwa kwesimanje kwe-BIOS endala, isofthiwe esebenza ekuqaleni kwenqubo yokuqalisa ikhompuyutha futhi esiza ukuxhumana nesistimu yokusebenza eyinhloko.
Iyini i-rootkit virus futhi isebenza kanjani?
I-rootkit iqoqo lesofthiwe yekhompuyutha, ngokuvamile enonya, eklanyelwe ukunikeza umsebenzisi ongagunyaziwe ukufinyelela kukhompuyutha noma izinhlelo ezithile. Uma i-rootkit isifakiwe, kulula ukuvala ubukhona bayo, ukuze umhlaseli akwazi ukugcina ukufinyelela okukhethekile ngenkathi engakabonwa.