Cac chuyen gia bao mat hien da dat khong it nghi van ve tuyen bo cua Chu tich
Microsoft Bill Gates cho rang: "Vista an toan hon cac he dieu hanh khac".
Theo ho, co chang Vista an toan hon cac phien ban Windows truoc day. Khong
noi dau xa hien co rat nhieu he dieu hanh "cu" con an toan hon ca Windows.
Mot so chuyen gia bao mat khac thi cho rang kha nang bao mat cua mot he dieu
hanh cao hay thap se phu thuoc rat nhieu vao cach thuc su dung cua nguoi dung no
chu khong phai chi dua vao mat cong nghe.
Hien cung da co nhung bang chung cho thay tin tac da bat dau nghien cuu va thay
doi phuong thuc tan cong "cho phu hop" hon voi nhung thay doi trong Windows
Vista.
Co chac an toan hon?
Trong mot cuoc phong van voi BBC News, chu tich Microsoft Bill Gates tuyen bo
Windows Vista thuc su la rat an toan, vi the nguoi dung nen nhanh chong nang cap
len phien ban he dieu hanh moi nay.
De co Vista, Microsoft da phai mat 5 nam phat trien va cung khong it lan tri
hoan ke hoach ra mat he dieu hanh nay nham khac phuc cac van de phat sinh de lam
cho Vista tro nen an toan hon.
Trong khi do, tin tac da bat dau nham muc tieu vao Vista va da tien hanh khong
it nghien cuu sau nham tim ra nhung diem yeu trong he dieu hanh nay.
"Toi dam chac la nguoi ta dang tap trung vao Vista," Jeff Moss - nha to
chuc Hoi nghi hacker Defcon - cho phong vien cua Reuters biet. "Neu ban la
mot hacker va ban da tim duoc mot diem yeu cua Vista thi toi chac ban se nhanh
chong phat tan ma doc de tan cong nguoi dung".
Ma khai thac loi cung nhu thong tin ve nhung lo hong trong Vista cung da tro
thanh mot chu de nong tren cac dien dan thao luan. Tham chi con co hang san sang
tra tien de mua lai nhung thong tin do. Tuy nhien, den nay van chua co mot ai
gianh duoc khoan tien do.
Cac nha nghien cuu cung da bat dau xuat ban cac bao cao nghien cuu ve hang loat
diem yeu trong cong nghe bao mat cua Vista.
Diem yeu hien nhien
 Vista duoc trang bi rat nhieu tinh nang bao mat nhu: chong phan mem gian diep
hay co che khong cho phep phan mem doc hai duoc phep cai dat, khong cho phep can
thiep vao co che nhan he dieu hanh ...
Nhung lieu nhung thay doi trong Vista co the lam cho he dieu hanh nay tro nen an
toan hon so voi cac he dieu hanh khac thi van la mot cau hoi ma cau tra loi cua
no con rat nhieu tranh cai trong gioi bao mat.
"Vista an toan hon Windows 3.x, Windows 95, Windows NT, Windows 2000 hoac
Windows XP ma thoi," ong Mikko Hypponen - Giam doc cong nghe cua hang bao
mat F-Secure - nhan dinh. "Nhung ve co ban dung la Vista an toan hon mot so
he dieu hanh khac nhu FreeBSD, QNX, AS/400 ..."
"Toi con co the noi la Vista doi khi con chua chac da an toan hon chinh cac
he dieu hanh khac cua Microsoft. Vi du nhu he dieu hanh su dung trong Xbox 360".
David Emm - chuyen gia tu van cong nghe cao cap cua Kaspersky Labs - cho rang
Microsoft da khong chi lam cho Vista an toan hon ma con lam cho he dieu hanh tro
nen de su dung. "Cang de su dung hon thi nguoi dung no cang doi mat voi
nhieu hiem hoa hon boi con nguoi moi la mat xich yeu nhat trong chuoi day xich
bao mat".
Lay vi du, he thong User Account Control trong Vista yeu cau nguoi dung phai cho
phep thi cac phan mem moi duoc cai dat nham ngan chan cac phan mem doc hai.
Nhung duong nhu no da khong lam dung chuc nang cua minh. Con nguoi dung thi van
"vo tu" nhap chuot dong y ma khong can biet no la cai gi.
Noi chung van de bao mat trong Vista hien van la mot cau hoi chua co duoc mot
cau tra loi chinh xac nhat.
VnMedia Article source http://w4rum.com/499.t
| 