Microsoft phu nhan thong tin cho rang Vista mac mot so loi bao mat nen co the bi nhung phan mem doc hai da co tu nam 2004 tan cong.  Hom 30/11, hang bao mat Sophos cho biet hien da xuat hien it nhat 3 loai phan mem doc hai co the tan cong Vista. Dang chu y trong so do co 2 loai ma doc da xuat hien tu nhung nam 2004.
Cho du moi chi xuat hien nhung Stratio-Zip, Netsky-D va MyDoom-O da nhanh chong phat tan tren dien rong. Nhung ma doc nay deu nam trong danh sach Top 10 phan mem doc hai phat tan manh nhat trong thang 11 cua Sophos.
Tuy nhien, Microsoft bac bo thong tin cho rang nhung phan mem doc hai noi dot nhap duoc vao Vista la nho vao viec tan cong cac loi bao mat trong phien ban he dieu hanh moi nay.
Hang phan mem so 1 khang dinh nhung phan mem doc hai noi tren de co the lay nhiem len he thong can phai co su tuong tac cua nguoi dung. Day chinh la "loi bao mat" giup chung co the tan cong Vista.
Trong mot tuyen bo moi day Microsoft khang dinh: "Chung toi da nhan duoc thong bao cua Sophos cho biet Vista co the bi lay nhiem mot so ma doc dang lan tran tren Internet. Dua vao ket qua dieu tra ban dau, Microsoft co the khang dinh nhung bien the ma doc do khong he tan cong mot loi bao mat nao trong Vista. Chung lay nhiem len he thong la nho co su tuong tac cua nguoi dung".
Ky thuat tan cong can co su tuong tac cua nguoi dung con duoc goi la ky thuat "social engineering". Diem mau chot cua ky thuat nay la phai lua duoc nguoi dung cho phep thuc thi ma doc dinh kem theo cac email chang han.
Microsoft tuyen bo Windows Mail Client - ung dung thay the cho Outlook trong Vista - co the chan duoc cac ma doc. Ma doc chi co the tan cong bang phuong thuc tren neu nguoi dung su dung ung dung email cua hang thu ba nhu Lotus Notes, Yahoo hay Gmail chang han.
Stephen Toulouse - Giam doc quan ly san pham cua Microsoft - nhan dinh ban than mot he dieu hanh kho co the nhan biet la chuong trinh ma nguoi dung phep thuc thi la "tot" hay "xau" tru phi chuong trinh do duoc phep cai dat va chay. Tham chi cho du co cai dat mot phan mem chong virus nhung neu co su tuong tac cua nguoi dung ma doc van co the dot nhap vao he thong.
Sophos cung xac nhan nhung ma doc noi tren khong he tan cong mot loi bao mat nao trong Vista nhung dong thoi canh bao Internet Explorer 7 trong Vista se tro thanh "mieng moi" hap dan cho bon tin tac boi cac cuoc tan cong thong qua web de thanh cong hon.
"Do la ly do tai lam sao ma chung toi khuyen cao moi phien ban Windows deu nen cai dat kem theo mot ung dung diet virus," Toulouse khuyen cao.
Theo VnMedia Article source http://w4rum.com/378.t
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