Bao Mat B52CLUB: Nhung Lop Phong Ve Thuc Su Dung Sau Mot Tai Khoan Ca Cuoc

Mot nguoi choi mo tai khoan B52 CLUB luc 23 gio, nap 5 trieu dong, dat ba keo bong da roi di ngu. Sang hom sau, he thong ghi nhan them 12 lan dang nhap sai lien tiep tu hai dai IP nuoc ngoai. So du van nguyen ven, khong co lenh rut nao duoc tao. Ket qua do khong den tu may man, ma tu mot chuoi co che kiem soat chay lien tuc phia sau giao dien ma nguoi dung hiem khi nhin thay.

Bao Mat B52CLUB van hanh theo nguyen tac nhieu lop chong len nhau. Neu mot lop bi vuot qua, lop ke tiep van giu duoc tai khoan. Cach tiep can nay khac voi kieu bao ve mot chot duy nhat, noi chi can lo mat khau la mat tat ca.

Ma hoa duong truyen va ha tang may chu

Toan bo du lieu trao doi giua trinh duyet hoac ung dung di dong voi may chu B52CLUB di qua giao thuc TLS 1.3 voi khoa ma hoa 256-bit. Noi cach de hinh dung: neu ai do chan duoc luong du lieu giua dien thoai va nha cai, ho chi nhan ve mot chuoi ky tu vo nghia. Mat khau, so tai khoan ngan hang, ma OTP deu nam trong phan duoc ma hoa do.

He thong may chu dat tai trung tam du lieu dat chuan Tier III, co nguon dien du phong va hai tuyen mang doc lap. Moi 6 gio, toan bo co so du lieu nguoi dung duoc sao luu sang mot cum luu tru tach biet, ban sao luu nay khong ket noi truc tiep voi he thong van hanh. Neu may chu chinh gap su co, du lieu van khoi phuc duoc trong vong vai gio.

Tuong lua ung dung web loc luu luong o tang 7, chan cac dang tan cong quen thuoc nhu SQL injection, cross-site scripting va brute force. Nguong canh bao duoc dat o 20 yeu cau bat thuong moi phut tu cung mot IP; vuot nguong, dia chi do bi dua vao danh sach tam khoa.

Xac thuc hai lop va kiem soat dang nhap

Mat khau mot minh khong du. B52CLUB cho phep bat xac thuc hai lop qua ung dung sinh ma nhu Google Authenticator, voi ma 6 so lam moi moi 30 giay. Ke ca khi ke tan cong doc duoc mat khau qua mot trang web gia mao, ho van khong qua duoc buoc thu hai.

Phien dang nhap co thoi han. Sau 30 phut khong thao tac, nguoi dung bi yeu cau xac thuc lai. Truong hop dang nhap tu thiet bi hoac vi tri dia ly moi, he thong gui thong bao qua email va tin nhan, kem yeu cau xac nhan. Chinh buoc nay da chan phan lon cac vu chiem doat tai khoan, boi ke gian thuong hanh dong trong im lang va khong kiem soat duoc hop thu cua nan nhan.

Giam sat hanh vi bat thuong theo thoi gian thuc

Day la phan it duoc noi toi nhat nhung lai ton nhieu nguon luc nhat. He thong phan tich hanh vi ghi nho thoi quen cua tung tai khoan: nguoi choi nay thuong cuoc keo chau A vao buoi toi, muc cuoc trung binh 200 nghin dong, hay dung mot thiet bi Android. Khi xuat hien lenh cuoc 50 trieu dong vao keo chau Au luc 4 gio sang tu mot may tinh la, thuat toan gan co ngay lap tuc.

Thoi gian phan hoi trung binh cua he thong canh bao duoi 3 giay. Cac truong hop nghi van bi tam giu de xac minh thu cong, khong tu dong xu ly, vi mot giao dich lon cua nguoi choi that cung co the trong giong gian lan. Bo phan rui ro lam viec theo ca, phu 24 gio moi ngay, ke ca dip le.

Song song do la cong cu phat hien gian lan da tai khoan. Moi nguoi chi duoc giu mot tai khoan; he thong doi chieu dau van tay thiet bi, dia chi IP, so dien thoai va phuong thuc thanh toan de phat hien cac cum tai khoan lien quan. Truong hop trung lap ro rang se bi khoa va so du xu ly theo dieu khoan da cong bo.

Bao ve du lieu thanh toan

B52CLUB khong luu tru so the ngan hang day du tren may chu cua minh. Voi giao dich the, du lieu duoc xu ly qua cong thanh toan dat chuan PCI DSS, nha cai chi nhan ve mot ma tham chieu thay vi chuoi so the. Cach lam nay gioi han thiet hai trong truong hop xau nhat: ke tan cong co vao duoc co so du lieu cung khong lay duoc thong tin the dung lai duoc.

Voi chuyen khoan ngan hang va vi dien tu, he thong doi chieu ten chu tai khoan gui voi ten da dang ky. Lech ten, giao dich bi treo de xac minh. Quy tac nay gay chut bat tien cho nguoi nap ho, nhung chan duoc kich ban rua tien qua tai khoan trung gian.

Nguoi choi can lam gi

Bat xac thuc hai lop ngay sau khi dang ky, dung de sau. Dung mat khau rieng cho B52CLUB, toi thieu 12 ky tu gom chu hoa, chu thuong, so va ky tu dac biet; mat khau trung voi email ca nhan la lo hong pho bien nhat.

Khong dang nhap qua link gui tu tin nhan la, khong nhap ma OTP vao bat ky bieu mau nao ngoai ung dung chinh thuc. Nhan vien ho tro that khong bao gio hoi mat khau hay ma xac thuc, ke ca khi ban dang khieu nai giao dich. Kiem tra lich su dang nhap moi tuan; mot phien tu thanh pho ban chua tung den la dau hieu can xu ly ngay.

Khi tai khoan co dau hieu bi xam nhap

Doi mat khau truoc, roi lien he bo phan ho tro de yeu cau khoa tam thoi. B52CLUB luu log hoat dong toi thieu 180 ngay, nen bo phan ky thuat co the dung lai toan bo dien bien: thoi diem dang nhap, thiet bi su dung, cac lenh cuoc va lenh rut. Neu giao dich gian lan duoc chung minh, khoan tien thuong duoc hoan lai vao so du.

Bao mat khong phai trang thai dat duoc mot lan roi thoi. No la cuoc doi dau lien tuc, noi nha cai cap nhat quy tac va ke tan cong tim khe ho moi. Voi nguoi choi, ba viec don gian gom mat khau manh, xac thuc hai lop va canh giac voi link la da loai bo phan lon rui ro. Phan con lai, B52CLUB giu o phia sau he thong.