Cach su dung dien thoai Android an toan

Thứ năm, 04 Tháng tám 2011, 13:21 GMT+7

Cac nguy co ve lo hong bao mat tren dien thoai Android ngay cang dang bao dong, ban can biet cach bao ve cho "de" yeu cua minh bang nhieu chu y khac nhau.

Da co khoang 10 trieu dien thoai Android dang duoc su dung va so may bi virus tan cong tang gap 2,5 lan so voi 6 thang truoc, trung tam an ninh di dong Lookout cho biet.


Con so tren duoc tinh toan dua tren 500 nghin may Android da phat hien co ma doc xam nhap. Ty le phat tan nhanh do nguoi dung bat canh giac voi cac loai virus tan cong qua email, tin nhan Facebook, tin Twitter va tin nhan di dong SMS. Da co khoang 30% dien thoai Android hien nay nhiem virus vi nguoi dung mo cac duong link co ma doc duoc gui den.


Cach su dung dien thoai Android an toan
Cac phan mem danh cho dien thoai Android co an ma doc dang gia tang (anh: Flickr)


Hai loai virus pho bien nhat hien nay la DroidDream xuat hien tu thang 3/2011, va GGTracker. Phuong thuc hoat dong cua cac virus di dong nay kha tinh vi, no loi dung phan mem ma nguon mo de cac ma doc duoc cai trong nhung ung dung va tai dong goi de phan phoi. Bang cach do, virus da xuat hien trong hon 80 ung dung duoc cung cap chinh thuc.

GGTracker duoc cho la ma doc dau tien duoc thiet ke de an cap tien trong tai khoan nguoi dung Android tai My. No tu dong dang ky dich vu thue bao nhan tin ma nguoi dung khong biet va ho se phai chi 10 - 50 USD cho moi dich vu. GGTracker cung su dung cac ky thuat moi nhu "malvertising" trong quang cao tren di dong de dieu khien nguoi dung tu dong tai ma doc khi ho truy cap duong link duoc gui den.

Duoi day la nam buoc don gian ban nen ap dung de bao ve dung dien thoai di dong cua ban hoat dong an toan.

1. Cai dat ma bao ve

Dat mat ma tren dien thoai cua ban la buoc dau tien va can thiet de bao ve thiet bi. Neu nhu ban de quen hoac chang may no bi mat tich thi nguoi ngoai khong the su dung cac thong tin rieng cua ban.

2. Chi tai ve cac phan mem an toan

Dien thoai Android co the tai ve cac ung dung cua Google va tu trang web cua nha cung cap thu ba. Vi vay, ban dac biet chu y de tai ve cac ung dung tu cac nguon duoc dam bao an toan.

Chi su dung cac ung dung duoc luu tru tren cac dich vu noi tieng, do cac nha cung cap hop phap phan phoi de tai ve va cai dat cac ung dung. Android Market cua Google la mot cho phan mem du dieu kien, nguon cua cac ung dung cung duoc biet ro. De dam bao an toan voi bat ky phan mem nao duoc cai dat, dien thoai Android duoc khuyen cao dieu chinh cac cai dat thiet bi de ngan chan cac ung dung tai ve tu cac nguon la.

3. Tim hieu ky cac ung dung truoc khi tai ve

Du la ung dung mien phi hoac tra tien, ban hay danh thoi gian de ra soat phan mem mot cach can than truoc khi tai ve dien thoai. Hay chu y den ten tac gia cua ung dung boi vi co khi nhieu tac gia khac nhau tao ra nhung ung dung co ten goi giong nhau. Vi la phan mem chinh thong nen nhung ung dung nay co san trong cac cho phan mem danh cho Android, de de tuong nham voi ung dung cua Google.

Nguoi dung duoc khuyen cao nen kiem tra xep hang cua mot ung dung la mot bien phap tot. Cac ung dung moi xuat hien trong 6 thang gan day, va duoc nhan xet tich cuc thi do an toan la rat cao.

Ngoai ra, ban cung nen huy bo viec tai ve phan mem chiem dung tai nguyen dien thoai ma co ve khong tuong xung voi chuc nang cua no.

4. Canh giac voi cac tin nhan va email la

Cang ngay dien thoai thong minh ngay cang tro nen giong hon may tinh PC vi the nguoi su dung nen than trong voi nhung tro lua dao ma nguoi dung may tinh da tung bi dinh. Tuyet doi khong mo bat ky nhung link tu cac nguon khong biet truoc hoac khong ro rang.

Cung giong nhu email, ke tan cong co the su dung tin nhan van ban de phat tan ma doc, lua dao mat khau va cac moi de doa khac.Vi vay, nguoi su dung phai ap dung cac nguyen tac quen thuoc voi email dang ngo hay mo cac tin nhan van ban khong moi duoc gui den.

5. Su dung phan mem an ninh di dong

Hien da co nhung giai phap bao mat toan dien thiet bi phan phoi qua cho Android co the giup phat hien va bao ve chong lai cac ma doc. Vi vay ban nen tai ve va cai dat de co the tu tin su dung chiec smartphone cua minh.

Vu Anh Tu (theo InformationWeek/CNet)

» Xuat hien thu muc an Recycler tren cac o dia
» 15 ung dung tuyet dinh cho viec mua sam
» Dem Facebook va Google + len ban can
» RIM tam ngung ho tro ung dung Android tren PlayBook
» Apple linh an phat tai Han Quoc
» Tre em de bi "nguy hiem" khi dung nhieu do cong nghe ca
» Galaxy Tab khong duoc ban tai Uc
» Google “giam gia” goi dien tu Gmail
» Mot loat cac to chuc lon bi tan cong mang nghiem trong



Cac bai viet khac:

Tiep theo >>


^ Lên đầu trang ^


Copyright © 2006-2012 by VietBao.vn
Viet Bao Viet Nam - All Rights Reserved.