Bao mat 789club: Kien truc phong thu nhieu lop va nhung gi nguoi dung thuc su can kiem tra

Khi mot nen tang giai tri truc tuyen hoat dong lien tuc 24 gio moi ngay, cau hoi dau tien ma bat ky nguoi dung co kinh nghiem dat ra khong phai la giao dien co dep hay khong, ma la du lieu ca nhan cua minh dang duoc giu o dau va bang cach nao. Bao mat 789club vi the khong con la mot dong quang cao chung chung, ma tro thanh tap hop cua nhung quyet dinh ky thuat cu the: chon giao thuc ma hoa nao, dat tuong lua o tang nao, ai duoc quyen doc log he thong, va mat bao lau de phat hien mot truy cap bat thuong.

Ma hoa duong truyen la lop dau tien ma nguoi dung co the tu kiem chung

Khong can la chuyen gia an ninh mang, ban van co the xac minh mot phan muc do bao mat cua bat ky nen tang nao. Mo trang web, bam vao bieu tuong o khoa canh thanh dia chi, va doc thong tin chung chi. Mot he thong duoc van hanh nghiem tuc thuong dung TLS 1.3 voi chung chi EV hoac OV do cac to chuc nhu DigiCert hay Sectigo cap, thay vi chung chi tu ky mien phi. Giao thuc cu nhu TLS 1.0 va 1.1 gan nhu da bi loai bo hoan toan o cac he thong hien dai, vi chung ton tai nhung lo hong da duoc cong bo rong rai nhu BEAST hay POODLE.

Voi Bao mat 789club, lop ma hoa duong truyen dong vai tro chan dung kieu tan cong nghe len giua duong, hay con goi la man-in-the-middle. Khi ban dang nhap tu mot quan ca phe co wifi cong cong, toan bo ten dang nhap va mat khau di qua router cua quan. Neu khong co TLS, bat ky ai trong cung mang cung co the doc duoc goi tin do bang mot cong cu mien phi nhu Wireshark. Co TLS 1.3, du lieu tro thanh chuoi byte vo nghia voi nguoi ngoai.

Du lieu luu tru cung can duoc ma hoa, khong chi du lieu dang truyen

Mot sai lam pho bien cua cac nen tang non tre la chi ma hoa luc truyen ma quen ma hoa luc luu. Nghia la khi du lieu da nam trong o cung may chu, no nam duoi dang van ban thuan. Neu ke tan cong vuot qua duoc lop ngoai va cham toi co so du lieu, ho doc duoc tat ca.

Cach tiep can hop ly la ma hoa o cap cot voi AES-256-GCM cho cac truong nhay cam nhu so dien thoai, so tai khoan ngan hang, va bam mat khau bang thuat toan chuyen dung nhu bcrypt voi cost factor toi thieu 12, hoac Argon2id. Bam mat khau khac hoan toan voi ma hoa mat khau. Ma hoa co the giai nguoc, bam thi khong. Khi mot he thong noi rang ho "ma hoa mat khau", do thuong la dau hieu cua thiet ke thieu chuan muc, boi quan tri vien he thong co the doc duoc mat khau cua ban.

Xac thuc hai lop va vong doi cua mot phien dang nhap

Mat khau manh den dau cung co the bi lo qua mot lan dung lai o noi khac. day la ly do lop xac thuc thu hai tro nen bat buoc. Co che TOTP, tao ma 6 chu so doi moi moi 30 giay, la lua chon pho bien vi khong phu thuoc vao song vien thong. Tin nhan SMS tien hon nhung yeu hon, do ton tai ky thuat tan cong hoan doi SIM da gay thiet hai thuc te o nhieu quoc gia.

Song song voi xac thuc, vong doi phien can duoc quan ly chat. Mot phien dang nhap nen tu dong het han sau khoang 15 den 30 phut khong hoat dong. Khi nguoi dung doi mat khau, toan bo token cu phai bi thu hoi ngay lap tuc. Trong Bao mat 789club, viec kiem soat phien con bao gom doi chieu dau van tay thiet bi. Neu cung mot tai khoan dang nhap tu Ha Noi luc 9 gio sang va tu mot dia chi IP o chau au luc 9 gio 10 phut, he thong co co so de tam khoa va yeu cau xac minh lai.

Phong chong tan cong tu choi dich vu va giam sat bat thuong

Cac nen tang giai tri truc tuyen thuong xuyen la muc tieu cua tan cong DDoS, doi khi chi nham muc dich quay roi, doi khi la man nghi binh de che mot cuoc xam nhap that. Ha tang chong chiu duoc thuong dua tren mang phan phoi noi dung co kha nang hap thu luu luong lon, ket hop voi tuong lua ung dung web loc theo mau tan cong da biet nhu SQL injection hay cross-site scripting.

Con so dang de tham chieu: mot lop WAF duoc cau hinh tot co the chan hang tram nghin den hang trieu yeu cau doc hai moi ngay, trong khi van giu do tre phan hoi duoi 100 mili giay cho nguoi dung hop le. Neu do tre tang vot len vai giay moi khi co dot tan cong, nghia la he thong dang phai xu ly thu cong thay vi tu dong.

Giam sat cung quan trong khong kem phong thu. Mot trung tam dieu hanh an ninh hoat dong theo mo hinh truc ca lien tuc se theo doi cac chi so nhu so lan dang nhap that bai tren moi tai khoan, tan suat yeu cau rut tien, va su thay doi dot ngot cua dia chi IP. Nguong canh bao cu the thuong duoc dat o muc 5 lan dang nhap sai lien tiep thi khoa tam thoi 15 phut, hoac 3 yeu cau rut tien trong 10 phut thi dua vao hang cho xac minh thu cong.

Yeu to con nguoi: noi he thong manh nhat cung co the sup nhanh nhat

Phan lon cac vu ro ri du lieu lon trong thap nien qua khong bat dau tu mot lo hong zero-day, ma tu mot tai khoan noi bo bi chiem quyen hoac mot nhan vien bi lua qua email gia mao. Nguyen tac phan quyen toi thieu giai quyet van de nay o muc ky thuat: nhan vien cham soc khach hang khong can quyen truy cap vao co so du lieu thanh toan, va lap trinh vien khong can quyen doc du lieu nguoi dung that trong moi truong thu nghiem.

o goc do van hanh, moi thao tac quan tri can duoc ghi log khong the sua, luu toi thieu 12 thang, va duoc ra soat dinh ky. Cac dot kiem thu xam nhap doc lap nen dien ra it nhat moi quy mot lan, kem theo mot chuong trinh bao loi co thuong de khuyen khich cong dong nghien cuu bao mat bao cao thay vi khai thac.

Nhung viec nguoi dung nen tu lam, bat ke nen tang noi gi

Bao mat la trach nhiem chia se, va phan cua nguoi dung thuc ra rat cu the. Dung mat khau rieng biet cho tung dich vu, do dai toi thieu 14 ky tu, tot nhat la sinh ngau nhien va luu trong trinh quan ly mat khau. Bat xac thuc hai lop ngay khi co tuy chon. Khong dang nhap qua wifi cong cong neu khong dung mang rieng ao. Kiem tra ky thanh dia chi truoc khi nhap thong tin, vi ten mien gia mao thuong chi khac mot ky tu.

Mot dau hieu canh bao dang luu tam: bat ky ai yeu cau ban cung cap ma xac thuc hai lop qua tin nhan, dien thoai hay email deu dang co chiem tai khoan. Ma do sinh ra chi de ban tu nhap vao bieu mau dang nhap chinh thuc, khong chia se voi bat ky ai, ke ca nguoi tu xung la nhan vien ho tro.

Goc nhin thang than ve rui ro

Can noi ro mot dieu ma cac bai viet quang cao thuong ne tranh: moi hoat dong ca cuoc deu mang rui ro mat tien, va khong co lop bao mat ky thuat nao thay doi duoc dieu do. Bao mat 789club chi giai quyet bai toan bao ve du lieu va tai khoan, khong dam bao ket qua. Nguoi tham gia phai du 18 tuoi, nen dat gioi han chi tieu truoc khi bat dau, va dung lai khi khoan do da het. Neu viec choi anh huong den giac ngu, cong viec hay cac moi quan he, do la tin hieu can tim ho tro chuyen mon chu khong phai tang muc dat cuoc de go.

Bao mat tot nhat la su ket hop giua ha tang nghiem tuc va thoi quen can than cua chinh ban

Kien truc phong thu nhieu lop, tu ma hoa TLS 1.3 o duong truyen, AES-256 o kho luu tru, xac thuc hai lop, cho toi giam sat truc ca lien tuc, tao nen mot chuan muc ma nguoi dung co quyen ky vong. Nhung chuan muc do chi phat huy tac dung khi di kem voi y thuc ca nhan: mat khau khac nhau cho tung noi, khong chia se ma xac thuc, va tinh tao truoc moi loi moi chao qua hap dan. Mot he thong duoc bao ve ky den may cung khong the bu dap cho mot quyet dinh voi vang cua nguoi dung sau ban phim.

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