(Online Ads hmanga inbumna)
Er. Chhungpuia Renthlei
Senior Technical Officer, NIELIT Aizawl
Internet i browse khan Banner ads, sidebars, and pop-ups nalh tak taka design leh pawimawh hmel hle tak tak i hmu thin em? Social media kaltlangin products tha tak man tlawm taka sale i dawng thin em? email inbox i han hawnga Advertisement leh thil pawimawh hmel tak a lo awm thin em?
Hun i neih vang ngawtin heng te hi click in download nghal ngawt suh aw. Heng te hi Biak in a kan hla sak lar tak Thil tha kan hmuh ang hi tuman an hmu theilo tih hla a, thil tha zinga telh vek chi an ni mawlh lo! A chhan chu Cyberattacker te hian online advertisement himlo leh it awm tak si an siam teuh a ni a. Heng te hi Malvertising an vuah. Mi tam tak thlem nan social media leh website hrang hrangah an dah teuh thin. Hetiang hi i lo click vaih chuan an mahni server ah an hruai lut ang che nga, an duh ang angin i mobile leh computer software an suasam tawh mai dawn a ni.
Malvertising hi enge anih chiah le?
Malvertising chu malicious advertising tihna a ni. A awmzia chu online advertisement hmanga mobile leh computer software khawihbuai thei Malicious Sofware (Malware) chi hrang hrang:- viruses, trojans, ransomware, spyware, or adware virus thehdarhna a ni. Cybercriminals te chuan heng advertisement ah hian mobile leh computer software khawihbuai thei Malicious Sofware (Malware) chi hrang hrang an thun a, website hrang hrangah online advertisement hmangin an thehdarh thin.Malvertising server ah hian software chi khat exploit kits an tih mai, kan Mobile leh computer system audit theihna leh security chak lohna lai (weak spot) chhui chhuah theihna awm a.Malvertising hmanga heng an server a min hruailuh a, kan mobile leh computer a heng Malware install a, kan file pawimawh tak tak ruk leh tihchhiat bakah software hnathawk theilova siam hi an tum ber a ni.
Malvertising chu malicious advertising tihna a ni. A awmzia chu online advertisement hmanga mobile leh computer software khawihbuai thei Malicious Sofware (Malware) chi hrang hrang:- viruses, trojans, ransomware, spyware, or adware virus thehdarhna a ni. Cybercriminals te chuan heng advertisement ah hian mobile leh computer software khawihbuai thei Malicious Sofware (Malware) chi hrang hrang an thun a, website hrang hrangah online advertisement hmangin an thehdarh thin.Malvertising server ah hian software chi khat exploit kits an tih mai, kan Mobile leh computer system audit theihna leh security chak lohna lai (weak spot) chhui chhuah theihna awm a.Malvertising hmanga heng an server a min hruailuh a, kan mobile leh computer a heng Malware install a, kan file pawimawh tak tak ruk leh tihchhiat bakah software hnathawk theilova siam hi an tum ber a ni.
Malvertising hmangin engtinnge mobile/ computer software an suamsam?
A hmasa berin techniques hrang hrang hmangin Cybercriminals ten online advertisements ah malicious code /malware an thunlut a. Hei hi Malicious Code Injection an vuah. Software khawih buai thei awmna advertisements te chu network hrang hrang atangin websites, social media, email leh SMS hmangin an thawn darh ta chiam a.Hei hi Distribution through Ad Networks an vuah. Tichuan, Websites, social media platforms leh mobile apps ah te kan lo hmu ta teuh mai anih hi.
Heng te hi computer leh mobile hmanga kan visit emaw, kan download veleh heng virus program te hi an rawn activate ta a. Hei hi Drive-By Downloads an vuah. Malvertising serverah min hruai lut a, Windows leh Android operating system ah emaw, browser ah security panna (vulnerabilities) an hmuh veleh malware an thun lut nghal thin.Tichuan, heng malware te hian web browsers (Chrome, Firefox, Internet explorer e.t.c), plugins leh operating systems (Windows, Android) an luhkhung ta a.Windows leh Android operating system ah leh browser ah te security panna (vulnerabilities) an zawng nghal char char a, an hmuh veleh kan hriat loh hlanin malware an thehdarh vak thin. Hei hi Exploitation of Vulnerabilities an vuah.
Tichuan, duhthusama an luhchilh hnuah Sensitive information Id & password, Bank a/c, phone no e.t.c an copy a, computer leh mobile an thunun a, an duh ang angin software an suasam tawh mai thin Hei hi Payload Delivery an ti. File hawn theih loh turin an siam danglam (encrypt) a. Heng file te hi sum a tlanchhuah leh turin an vau thin bawk. An target beih dan hi chi hrang hrang awm mahse, online advertising hi an hmang vek a ni.
Malvertising chi engzatnge awm?
Malware an thehdarh dan azirin hlawm hnihin pre-click ah leh post- click ah an then.
Pre-click Malvertising : Malvertising hi click loh chuan hlauhawm loh turah kan ngai a ni maithei. Mahse, pre-click ho hi chu Malvertising naran an nilo a, click miah loh pawhin mobile/ computerah automatic in an in download thei. Hetiang hi Drive-By Downloads an vuah. Online advertisement blockna (ad-blockers) an paltlang theih bawk avangin inven pawh harsa tak a ni.
Post-click Malvertising: Hetiang Malvertising hi click phawt hnua pawikhawih chi an ni. Auto-redirect function an nei a, hemi hmang hian click veleh an duhna website ah min hruai lut nghal thin.Tichuan, an duh tawk a kan mobile computer an suasam theih nan anmahni server nen min connect thin. Pre-click aia a hlauhawmna a nep chuang lo.
Engtinnge kan invenhim ang?
Website address https anih vang ringawt a website him tura rin bur loh a him ber. Khawvela website lar leh him nia ngaih The New York Times leh The Atlantic ah te hial pawh malvertising hi a awm leh zauh thin. Inven sen nilo mahse, Ads blocker leh Antivirus software update tha tak install tur ani. Tin, autoplay ang chi hi off vek a tha. Windows leh Android original version hman hi a him ber bawk. Heibakah mobile leh computerah application software dah teuh lova, kan mamawh chauh dah a tha. Kan system a software te hi khat tawka update zel a tha.
A pawimawh ber chu keimahni fimkhurna hi a ni. Whatsapp, Facebook leh Instagram ah advertisement te hi a him ani tih hriat loh chuan click loh a tha hle.Thil man tlawm uchuak te, group danga share kual tura an rawn dah te leh email leh SMS hmanga advertisement kan dawn te hi hriatchian loh chuan delete zel hi him ber.Malvertising avang hian nitin internet hmangtu te leh organizations ten harsatna an tawk a, a tuartu inih ve lohna turin lo invenghim zel phawt mai teh le.
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