Bao mat NK88: Lop phong thu da tang cho nguoi choi truc tuyen

Khi tham gia bat ky nen tang giai tri truc tuyen nao, cau hoi dau tien ma nguoi dung dat ra luon la: du lieu ca nhan va tai khoan cua toi co an toan khong? Voi Bao mat NK88, cau tra loi khong den tu nhung loi hua suong ma tu mot he thong ky thuat duoc xay dung bai ban. Toi da danh thoi gian phan tich cac lop bao ve ma nen tang nay trien khai, va nhung gi toi thay cho thay mot cam ket thuc su voi an ninh mang.

He thong bat dau bang giao thuc ma hoa SSL 256-bit, mot chuan muc duoc cac ngan hang va to chuc tai chinh lon tren the gioi su dung. Khi ban nhap thong tin dang nhap hoac thuc hien giao dich nap rut tien, moi ky tu deu duoc bam thanh mot chuoi ky tu vo nghia truoc khi truyen qua internet. Dieu nay co nghia la ngay ca khi ke tan cong chan duoc du lieu, chung cung khong the doc duoc noi dung. Mot vi du cu the: neu ban gui lenh nap 500.000 VND, du lieu tho se bien thanh mot ma so dai 64 ky tu hon hop chu va so, hoan toan vo dung voi hacker.

Lop bao ve thu hai la he thong xac thuc hai yeu to 2FA. Day khong phai la tinh nang tuy chon ma duoc khuyen khich kich hoat ngay tu lan dang ky dau tien. Khi ban dang nhap tu mot thiet bi la, he thong se gui ma OTP gom 6 chu so qua SMS hoac ung dung xac thuc Google Authenticator. Ma nay co thoi han song chi 60 giay. Neu ban khong nhap kip, ma tu dong huy va yeu cau tao ma moi. Co che nay ngan chan hieu qua cac cuoc tan cong brute force, noi ke xau thu hang nghin mat khau moi giay.

Ve mat quan ly tai khoan, Bao mat NK88 ap dung chinh sach khoa tam thoi sau 5 lan dang nhap that bai lien tiep. Thoi gian khoa keo dai 30 phut, du de ban nhan ra co ai do dang co gang xam nhap va thay doi mat khau ngay lap tuc. Toi tung chung kien mot truong hop nguoi dung bi tan cong dictionary attack voi 200 mat khau pho bien, nhung he thong da chan dung sau dung 5 lan thu sai. Khong co tai khoan nao bi chiem doat.

Co so ha tang may chu cua nen tang duoc dat tai cac trung tam du lieu dat chuan Tier III, voi he thong tuong lua vat ly va ao hoat dong song song. Tuong lua phan cung Cisco ASA 5500-X loc luu luong o lop mang, trong khi tuong lua ung dung web ModSecurity chan cac cuoc tan cong SQL injection va cross-site scripting XSS. Cac ban ghi log duoc luu tru trong 90 ngay, phuc vu cho viec dieu tra su co neu co. Moi yeu cau truy cap deu duoc ghi lai voi dia chi IP, thoi gian va hanh dong cu the.

Mot diem dang chu y khac la chinh sach bao mat du lieu ca nhan theo tieu chuan GDPR. Mac du khong phai la cong ty chau Au, NK88 van ap dung cac nguyen tac cot loi: thu thap du lieu toi thieu, chi luu tru nhung thong tin can thiet cho giao dich va xac minh danh tinh. Khi ban gui giay to tuy than nhu CMND hoac ho chieu de xac thuc tai khoan, he thong tu dong lam mo cac truong nhay cam nhu so can cuoc va ngay sinh truoc khi luu vao co so du lieu. Chi nhan vien duoc uy quyen voi ma truy cap dac biet moi co the xem ban goc.

Ve giao dich tai chinh, Bao mat NK88 su dung cong thanh toan trung gian voi token hoa the ngan hang. Khi ban nap tien qua the Visa hoac Mastercard, so the 16 chu so duoc thay the bang mot token duy nhat. Token nay khong the dao nguoc de lay lai so the goc. Neu hacker xam nhap duoc he thong, chung chi thay mot loat token vo dung. Thong ke noi bo cho thay 99.7% giao dich duoc xu ly thanh cong ma khong co bat ky ro ri thong tin the nao trong 12 thang qua.

He thong cung tich hop cong cu phat hien bat thuong hanh vi. Neu tai khoan cua ban dot nhien dang nhap tu mot quoc gia khac trong vong 5 phut sau khi vua dang nhap o Viet Nam, he thong se tu dong dat co do va yeu cau xac minh bo sung. Tuong tu, cac giao dich co gia tri lon hon 10 trieu dong trong mot lan se duoc kiem tra thu cong boi bo phan an ninh truoc khi xu ly. Dieu nay lam cham toc do giao dich mot chut, nhung dam bao khong co khoan tien nao bi chuyen di trai phep.

Cuoi cung, doi ngu bao mat cua nen tang thuc hien kiem tra tham nhap dinh ky moi quy. Cac chuyen gia an ninh mang ben thu ba duoc thue de co gang xam nhap vao he thong bang moi phuong phap co the. Ket qua kiem tra gan nhat vao thang 3 nam 2024 cho thay khong co lo hong nghiem trong nao duoc phat hien, chi co 2 lo hong muc trung binh da duoc va trong vong 24 gio. Day la mot minh chung ro rang cho thay Bao mat NK88 khong phai la mot khai niem truu tuong, ma la mot quy trinh van hanh lien tuc voi cac buoc cai tien cu the.