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Phisher loi dung tai khoan IM de lua dao

Thu doan moi nhat cua nhung ke lua dao truc tuyen (phisher) la di an cap tai khoan tin nhan tuc thoi (IM) cua nguoi dung Internet de di lua lua nguoi khac cung cap thong tin ca nhan cua ho.

Cac chuyen gia bao mat danh gia day la mot thu doan vo cung hiem doc. No la mot phan trong no luc nham tu trang bi cho minh nhieu nhieu cong cu tan cong nguoi dung Internet hieu qua hon cua bon lua dao truc tuyen.
 
Chiem doat duoc tai khoan tin nhan tuc thoi cua nguoi khac se la mot cong cu co the noi la rat huu hieu doi voi bon lua dao trong viec phat tan ‘moi nhu’ cua chung. Cac chuyen gia bao mat danh gia ti le thanh cong neu su dung tin nhan tuc thoi de lua dao co the se rat cao boi tin nhan tuc thoi mang tinh chat ca nhan.
 
Mot phan nua la tam ly cua nguoi dung dich vu tin nhan tuc thoi, ho thuong cho rang chi nhung nguoi ban cua minh moi biet nick chat cua ho va moi co the gui tin nhan cho ho. Chinh vi the ma neu co nhan duoc tin nhan ‘moi nhu’ cua bon lua dao thi ti le nguoi dung Internet nhap chuot vao nhung duoc lien ket trong do la tuong doi cao.
 
Cac hinh thuc tan cong lua dao truc tuyen truyen thong nhu gui spam email gia mao nhu la email hop phap cua mot to chuc ca nhan nao do den hom thu nguoi dung Internet vao lua ho nhap chuot vao cac duong lien ket trong do gio day da khong con dat duoc hieu qua cao nua khi ma nguoi dung ngay cang duoc cung cap nhieu thong tin va duoc dao tao de nhan biet nhung email dang nay.
 
Ngay thu sau tuan truoc da co mot nhan vien cua Yahoo phat hien ra la bon lua dao truc tuyen da su dung tai khoan tin nhan tuc thoi cua co de gui duong lien ket den mot trang web lua dao toi moi thanh vien trong danh sach lien lac Yahoo Messenger cua co. Co le nhung ke lua dao truc tuyen da chiem doat duoc tai khoan Yahoo Messenger cua co trong mot chien dich lua dao khac.
 
Trang web duoc gui di trong vu tan cong loi dung tai khoan Yahoo Messenger cua chinh nhan vien Yahoo la mot trang web duoc luu tren dich vu web mien phi Geocities cung cua Yahoo. Trang web gia mao do co hinh thuc trong rat giong voi trang web Yahoo Photos va yeu cau nguoi dung phai nhap tai khoan dang nhap Yahoo.
 
Nha cung cap dich vu Yahoo da nhanh chong loai bo trang web nay. “Day la nhung ke vo cung hiem doc. Chung toi phai no luc ngan chan chung bang tat ca kha nang cua chung toi,” dai dien cua Yahoo khang dinh.
 
Giao duc dong mot vai tro vo cung quan trong trong viec ngan chan lua dao truc tuyen qua tin nhan tuc thoi, dai dien cua Yahoo noi. Nguoi dung can phai biet la khong nen qua tin tuong vao cac tin nhan tuc thoi nhat la nhung tin nhan co chua mot duong lien ket boi do co the la mot duong lien ket den nhung trang web doc hai, lua dao hoac co chua virus.
 
Lua dao truc tuyen (phishing) la mot hiem hoa bao mat dang ngay cang tro nen pho bien tren Internet. Trong thang 8 vua qua, da co tong cong hon 26.150 trang web phishing duoc to chuc Anti-Phishing Working Group phat hien.

Theo CNET

Article source http://w4rum.com/210.t

[By Phan Vien] [10/Oct/06]
 
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