loi dung

Microsoft hom qua (8/1) da phat hanh ban va cho mot lo hong bao mat cuc ky nghiem trong trong he dieu hanh Windows. Loi nay co the bi tin tac loi dung de tan cong nguoi dung bang sau may tinh tu nhan ban. Loi nay phat sinh trong tien trinh he dieu hanh xu ly luong thong tin mang chuyen phat thong qua IGMP (Internet Group Management Protocol) va MLD (Multicast Listener Discovery) - thu tuc duoc dung de gui du lieu qua nhieu he thong cung mot luc. Hang phan mem cho..

Ngay hom qua (11/7), Microsoft da phat hanh ban va dinh ky hang thang de khac phuc tong cong 18 loi bao mat trong he dieu hanh Windows va MS Office. Cac ban va loi bao mat dinh kem theo tong cong 7 ban tin canh bao bao mat, trong do Microsoft nhan manh co 5 ban duoc dua vao muc "cuc ky nguy hiem". Trong so 5 ban cap nhat bao mat duoc xem la "cuc ky nguy hiem", he dieu hanh Windows da chiem toi 4. Mot trong nhung loi bao mat ma Microsoft khuyen cao nguoi su dung..

Tinh nang “moi ban be vao xem video” cua YouTube thoi gian gan day da bi nhung ke chuyen gui thu rac (spammers) loi dung de phat tan thu rac co “cay” san con sau Storm nguy hiem. Ong Bradley Anstis, giam doc quan ly san pham cua hang bao mat Marshal, cho biet tinh nang noi tren cho phep spammer gui thu rac den bat ky mot dia chi email va mang thong diep ky hieu dia chi cua YouTube. Tinh den thoi diem nay, Marshal da phat hien duoc tong cong 150.000 email..

Them mot loi bao mat moi trong ung dung bang tinh Microsoft Excel vua duoc phat hien va cho cong bo trong ngay hom qua (6/7). French Security Incident Response Team la don vi da phat hien ra loi bao mat moi nhat trong Microsoft Excel. Don vi nghien cuu bao mat nay cho biet tin tac co the loi dung loi bao mat nay de chiem quyen dieu khien he thong cua nguoi su dung. Loi bao mat nay phat sinh do mot loi boi nho xuat hien khi ung dung xu ly hoac sua chua mot tep tin..

Cu 10 website thi co toi 8 trang mac nhung loi bao mat thong thuong co the bi tin tac loi dung de an cap du lieu khach hang hoac to chuc tan cong lua dao truc tuyen ... Jeremiah Grossman - nguoi sang lap nen hang bao mat WhiteHat Security - cho biet hang cua ong da tien hanh quet du lieu di chuyen qua lai cac trang web pho bien va phat hien thay co toi 30% nhung trang web nay chua nhung loi bao mat cuc ky nguy hiem. Pho bien nhat la loi co so du lieu co the bi..

Tu dau nam den nay, tinh hinh khieu nai, to cao cua cong dan dien bien khong binh thuong. Dien hinh la viec to chuc tap trung thanh doan, khieu to vuot cap... Day chinh la co hoi de cac the luc thu dich loi dung, chong pha.

Mot chuyen gia bao mat vua len tieng canh bao tin tac co the loi dung cac ung dung bo sung cho Firefox de tuon ma doc vao cac PC co su dung trinh duyet ma nguon mo nay. Mozilla cung da xac nhan thong tin nay. Khong chi canh bao ma Christopher Soghoian - mot nghien cuu sinh Ph.D tai truong DH Indiana - con trinh bay ro rang cach thuc tin tac co the su dung thu thuat tan cong "man-in-the-middle" de cay ma doc vao cac PC su dung Firefox. Trong nhung truong hop nhu..

Microsoft hom qua (8/5) da phat hanh ban cap nhat bao mat dinh ky hang thang de khac phuc mot loat loi nguy hiem trong cac san pham cua hang. Ban cap nhat bao mat dinh ky thang 4 duoc chia thanh 7 ban cap nhat nho khac phuc tong cong 19 lo hong bao mat trong cac san pham nhu Internet Explorer 7, Office 2007 va Exchange 2007. Hau het cac ban va phat hanh dot nay deu duoc xep vao muc "cuc ky nguy hiem" - muc cao nhat trong thang bac danh gia muc do nguy hiem cua..

Toi thieu da co hon 10.000 website bi tin tac tan cong “bat coc” bien thanh cong cu giup chung phat tan ma doc va tan cong nguoi dung. Vu tan cong tren duoc phat hien hoi dau tuan truoc. Khi do chuyen gia nghien cuu bao mat Mary Landesman cua ScanSafe Inc cho biet moi co khoang vai tram website bi tan cong. So luong website bi tan cong sau do da tang len nhanh chong. Den cuoi tuan – chuyen gia Don Jackson cua hang bao mat SecureWorks Inc cho biet – con so..

Ngay hom qua, Microsoft da phat hanh ban va dinh ky hang thang nham khac phuc mot loat cac loi bao mat nghiem trong trong cac ung dung cua hang nay. Trong so cac lo hong bao mat cua cac san pham Microsoft duoc va lan nay gom 10 lo hong bao mat cua Internet Explorer, hai lo hong nghiem trong trong he dieu hanh Windows, mot loi nghiem trong trong Outlook Express va hai loi o muc binh thuong trong FrontPage va SharePoint. “Day thuc su la mot ban va ‘lon’ duoc..

Voi khoang 1.000 doanh nghiep ao thanh lap, nha nuoc bi mat han tren 700 ty dong tien thue khong the truy thu. Con so nay vua duoc Tong cuc canh sat, Bo Cong an, tong ket sau 5 nam tien hanh dau tranh chong buon lau, hang gia va gian lan thuong mai. Luc luong cong an da phat hien, dieu tra, bat giu tong cong tren 62.500 vu, khoi to hon 1.600 vu an va 2.680 bi can, phan lon do cac toi buon lau, buon ban hang cam, tron thue... Theo danh gia cua Tong Cuc canh sat,..

Sau bai bao ve vu ca si Cam Van bi quang cao “chua”, nhieu nghe si khac cung bat binh vi deu roi vao truong hop nay. Ca si Cam Van cho biet: “That tinh toi khong muon lam am i vu viec nay, nhung neu khong len tieng thi e rang toi cung nhu cac dong nghiep se bi loi dung”.

Hang bao mat Trend Micro canh bao trong nam nay tin tac se tang cuong tan cong chiem quyen dieu khien va loi dung cac website hop phap de phat tan ma doc. Bao cao hiem hoa 2007 va du bao 2008 cua Trend Micro neu ro khong chi co nhung website danh bac truc tuyen hoac cung cap noi dung khieu dam la nguy hiem va co chua nhieu loai phan mem doc hai ma gio day ngay ca nhung website hop phap tiem an day du nhung nguy co nay. Cac website co nguy co bi tan cong thuong la..

Google vua xac nhan mot loi bao mat co the bi loi dung de to chuc tan cong phishing ton tai trong ung dung dich vu Public Service Search cua hang. Nha cung cap dich vu tim kiem Internet hang dau the gioi ngay lap tuc da cho dong cua dich vu noi tren cho den khi nao loi bao mat tren duoc khac phuc. Hom 14/9, loi bao mat phishing trong Public Service Search da duoc cong bo rong rai thong qua blog cua mot nguoi co ten la Eric Farraro. Anh nay cho biet cac doan ma co..

Mac du mua giai FIFA World Cup 2006 chua chinh thuc khoi tranh tai Duc nhu mot “mua giai” moi cho cac tac gia lap trinh virus da chinh thuc bat dau. Cac tac gia lap trinh virus da bat dau loi dung su kien xa hoi the thao noi tieng nhat tren the gioi de phat tan cac loai virus nham lua gat nhung nguoi ham mo bong da. Cac chuyen gia nghien cuu cua hang bao mat Sophos lai vua moi phat hien ra mot loai virus moi gia mao cung cap thong tin ve cac cap dau tai World..

Microsoft ngay hom qua da xac nhan mot loi bao mat cuc ky nghiem trong ton tai trong Microsoft Visual Studio 2005 da bi loi dung trong cac vu tan cong “zero-day”. Nha san xuat cho biet loi bao mat nay co the bi loi dung de tu xa thuc thi cac ma doc tren he thong mac loi. Song song ben canh viec xac nhan thong tin, Microsoft da phat hanh mot ban tin canh bao bao mat va giai phap tam thoi de giup nguoi dung han che nguy co bi tan cong. “Ma doc hai co the tan..

Cac chuyen gia bao mat vua phat hien mot diem yeu chet nguoi trong Internet Explorer 7 co the bi tin tac loi dung de qua mat tinh nang chong phishing cua trinh duyet nay. Hang bao mat Secunia cho biet IE 7 cho phep mot trang web hien thi mot cua so pop-up chua mot duong lien ket gia mao rat tinh vi. Hacker co the loi dung loi bao mat nay de lua nguoi dung Internet truy cap vao mot trang web doc ma ho van tuong nhu dang truy cap vao mot trang web dang tin cay...

Mozilla vua phat hanh ban cap nhat bao mat nham khac phuc mot loat cac loi bao mat nghiem trong cac mot loat cac san pham cua hang nay. Trong ban tin bao mat phat di ngay hom qua, Mozilla cho biet nhung loi bao mat duoc khac phuc lan nay chu yeu nam trong trinh duyet Firefox 1.5, ung dung gui nhan thu dien tu tren PC Thunderbird va bo ung dung SeaMonkey. Mozilla cung khang dinh Firefox 2.0 hoan toan “mien dich” voi nhung loi bao mat noi tren. Trong so nhung..

Microsoft vua chinh thuc xac nhan tinh nang nhan dang giong noi trong Windows Vista co the bi loi dung de tu xa dieu khien PC xoa du lieu tren o dia cung. Lo hong chet nguoi moi duoc phat hien tren hien da lam day len trong cong dong nguoi dung khong it lo ngai ve su bung no cua cac website hoac email "cay" tep tin am thanh chua lenh dieu khien "doc hai". Nguyen nhan chinh cua "hien tuong" do la do Windows Vista co the "hieu" va dap ung lai bat ky mot cau lenh..

Hang bao mat Symantec hom qua (10/5) len tieng canh bao tin tac dang loi dung nhung lo hong bao mat chet nguoi trong QuickTime va WinZip de tan cong an cap thong tin ca nhan nguoi dung. Ban tin canh bao bao mat cua Symantec khang dinh phuong thuc tan cong web pho bien van duoc ap dung trong chien dich tan cong nguoi dung nay. Do la phuong thuc su dung cac website doc hai cay ma khai thac loi. Nhung website doc nay da duoc tin tac "deo cho mat na" gia mao trang..

Thuong khong lau sau khi Microsoft phat hanh ban cap nhat hang thang khac phuc loi bao mat trong cac san pham phan mem thi tin tac cung ngay lap tuc phat hanh ma doc tan cong nhung loi do. Muc tieu ma chung nham den la nhung PC chua duoc cai dat cac ban va loi. Voi thang 10 lan nay loi bao mat duoc tin tac nham den la loi thuoc ve ung dung xu ly van ban Microsoft Word. Day la mot loi tran bo nho dem. Cac chuyen gia bao mat cho biet loi tran bo nho dem rat de bi..

Hom nay 11/10, Toa an nhan dan (TAND) thanh pho Ha Noi da mo lai phien toa xet xu so tham vu an Dao Tien Dung, nguyen Pho Tong giam doc Tong cong ty tu phat trien nha va do thi (HUD) nang gia ban dat de an chenh lech, huong loi ca nhan. Cung ra truoc vanh mong ngua voi Dao Tien Dung trong vu an nay con co Le Anh Tuan (nhan vien cong ty dich vu nha o, Tong cong ty HUD) va Nguyen Huu Tien (can bo Tong cong ty Bao hiem Viet Nam) deu bi truy cuu trach nhiem hinh su..

Hang bao mat F-Secure cho biet lai phat hien duoc ma doc rootkit ton tai trong cac loai o dia USB do Sony san xuat. Ma doc nay co the bi tin tac loi dung de “do tham” hoac tan cong an cap thong tin tren PC cua nguoi dung. Chuyen gia nghien cuu Mika Tolvanen cua F-Secure cho biet phan mem nhan dang van tay tich hop san trong dong o dia USB mang nhan hieu MicroVault USM-F cua Sony mot khi duoc ket noi voi PC se bi mat cai dat mot phan mem trinh dieu khien vao..

Hom qua (12/12), Microsoft da phat hanh ban cap nhat bao mat thang 12 de khac phuc mot loat loi bao mat trong trinh duyet Internet Explorer. Tong cong trong dot nay Microsoft phat hanh 7 ban va de khac phuc 11 loi trong cac san pham ung dung cua hang gom Internet Explorer, Windows Media Player va Visual Studio 2005. Trong dot nay Microsoft khong cho khac phuc hai loi bao mat cuc ky nguy hiem moi duoc phat hien trong ung dung Microsoft Word. Theo ke hoach truoc..

Ngay hom qua (06/06), rat nhieu cac hang bao mat ra canh bao ve mot lo hong bao mat ton tai trong mot loat trinh duyet web khac nhau co the bi loi dung de an cap thong tin tin. Theo canh bao nay, hang loat cac loai trinh duyet web nhu Internet Explorer, Firefox, Mozilla va SeaMonkey van hanh tren nen tang Windows, Linux va Mac deu bi anh huong boi lo hong loc khoa JavaScript. Mot ke tan cong chu tam co the loi dung lo hong nay de an cap cac thong tin cac nhan cua..