{"id":579575,"date":"2023-12-28T03:09:56","date_gmt":"2023-12-28T03:09:56","guid":{"rendered":"https:\/\/proxyelite.info\/glossary\/otp-one-time-password\/"},"modified":"2023-12-28T03:09:56","modified_gmt":"2023-12-28T03:09:56","slug":"otp-one-time-password","status":"publish","type":"glossary","link":"https:\/\/proxyelite.info\/vi\/glossary\/otp-one-time-password\/","title":{"rendered":"OTP (M\u1eadt kh\u1ea9u d\u00f9ng m\u1ed9t l\u1ea7n)"},"content":{"rendered":"

Th\u00f4ng tin t\u00f3m t\u1eaft v\u1ec1 OTP (M\u1eadt kh\u1ea9u d\u00f9ng m\u1ed9t l\u1ea7n)<\/h2>\n

M\u1eadt kh\u1ea9u d\u00f9ng m\u1ed9t l\u1ea7n (OTP) l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n quan tr\u1ecdng c\u1ee7a h\u1ec7 th\u1ed1ng b\u1ea3o m\u1eadt tr\u1ef1c tuy\u1ebfn hi\u1ec7n \u0111\u1ea1i, cung c\u1ea5p l\u1edbp b\u1ea3o v\u1ec7 b\u1ed5 sung cho t\u00e0i kho\u1ea3n ng\u01b0\u1eddi d\u00f9ng, d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m v\u00e0 c\u00e1c giao d\u1ecbch tr\u1ef1c tuy\u1ebfn kh\u00e1c nhau. Trong b\u00e0i vi\u1ebft to\u00e0n di\u1ec7n n\u00e0y, ch\u00fang t\u00f4i \u0111i s\u00e2u v\u00e0o th\u1ebf gi\u1edbi OTP, kh\u00e1m ph\u00e1 t\u1ea7m quan tr\u1ecdng, nhi\u1ec1u lo\u1ea1i, t\u00ednh n\u0103ng ch\u00ednh, \u1ee9ng d\u1ee5ng, th\u00e1ch th\u1ee9c, so s\u00e1nh v\u1edbi c\u00e1c thu\u1eadt ng\u1eef li\u00ean quan, tri\u1ec3n v\u1ecdng trong t\u01b0\u01a1ng lai v\u00e0 c\u00e1ch ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p li\u1ec1n m\u1ea1ch v\u1edbi m\u00e1y ch\u1ee7 proxy \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt.<\/p>\n

Th\u00f4ng tin chi ti\u1ebft v\u1ec1 OTP (M\u1eadt kh\u1ea9u d\u00f9ng m\u1ed9t l\u1ea7n)<\/h2>\n

OTP, \u0111\u00fang nh\u01b0 t\u00ean g\u1ecdi, l\u00e0 m\u1eadt kh\u1ea9u ch\u1ec9 c\u00f3 gi\u00e1 tr\u1ecb cho m\u1ed9t l\u1ea7n s\u1eed d\u1ee5ng ho\u1eb7c m\u1ed9t phi\u00ean duy nh\u1ea5t, t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt b\u1eb1ng c\u00e1ch ng\u0103n ch\u1eb7n truy c\u1eadp tr\u00e1i ph\u00e9p th\u00f4ng qua m\u1eadt kh\u1ea9u b\u1ecb \u0111\u00e1nh c\u1eafp ho\u1eb7c b\u1ecb ch\u1eb7n. OTP \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c b\u1ea3o m\u1eadt t\u00e0i kho\u1ea3n, giao d\u1ecbch tr\u1ef1c tuy\u1ebfn v\u00e0 th\u00f4ng tin nh\u1ea1y c\u1ea3m b\u1eb1ng c\u00e1ch \u0111\u1ea3m b\u1ea3o r\u1eb1ng ng\u01b0\u1eddi d\u00f9ng c\u1ed1 g\u1eafng truy c\u1eadp h\u1ec7 th\u1ed1ng ho\u1eb7c d\u1eef li\u1ec7u l\u00e0 ch\u1ee7 s\u1edf h\u1eefu h\u1ee3p ph\u00e1p.<\/p>\n

Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a OTP (M\u1eadt kh\u1ea9u m\u1ed9t l\u1ea7n)<\/h2>\n

H\u00e3y c\u00f9ng ph\u00e2n t\u00edch m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a OTP khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh c\u00f4ng c\u1ee5 kh\u00f4ng th\u1ec3 thi\u1ebfu trong b\u1ed1i c\u1ea3nh an ninh m\u1ea1ng ng\u00e0y nay:<\/p>\n

    \n
  1. \n

    S\u1eed d\u1ee5ng m\u1ed9t l\u1ea7n:<\/strong> OTP c\u00f3 gi\u00e1 tr\u1ecb cho m\u1ed9t l\u1ea7n s\u1eed d\u1ee5ng ho\u1eb7c m\u1ed9t phi\u00ean, khi\u1ebfn ch\u00fang tr\u1edf n\u00ean v\u00f4 d\u1ee5ng \u0111\u1ed1i v\u1edbi nh\u1eefng k\u1ebb t\u1ea5n c\u00f4ng ti\u1ec1m n\u0103ng sau khi s\u1eed d\u1ee5ng.<\/p>\n<\/li>\n

  2. \n

    Th\u01a1i \u0111i\u00ea\u0309m nha\u0323y ca\u0309m:<\/strong> OTP th\u01b0\u1eddng b\u1ecb gi\u1edbi h\u1ea1n th\u1eddi gian v\u00e0 h\u1ebft h\u1ea1n sau m\u1ed9t kho\u1ea3ng th\u1eddi gian ng\u1eafn, gi\u00fap t\u0103ng c\u01b0\u1eddng h\u01a1n n\u1eefa t\u00ednh b\u1ea3o m\u1eadt.<\/p>\n<\/li>\n

  3. \n

    Th\u1ebf h\u1ec7 \u0111\u1ed9ng:<\/strong> OTP \u0111\u01b0\u1ee3c t\u1ea1o \u0111\u1ed9ng, th\u01b0\u1eddng s\u1eed d\u1ee5ng thu\u1eadt to\u00e1n v\u00e0 l\u00e0 duy nh\u1ea5t cho m\u1ed7i l\u1ea7n s\u1eed d\u1ee5ng.<\/p>\n<\/li>\n

  4. \n

    X\u00e1c th\u1ef1c \u0111a y\u1ebfu t\u1ed1 (MFA):<\/strong> OTP th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 y\u1ebfu t\u1ed1 th\u1ee9 hai trong h\u1ec7 th\u1ed1ng MFA, t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt t\u00e0i kho\u1ea3n.<\/p>\n<\/li>\n

  5. \n

    S\u1eed d\u1ee5ng ngo\u1ea1i tuy\u1ebfn:<\/strong> M\u1ed9t s\u1ed1 h\u1ec7 th\u1ed1ng OTP c\u00f3 th\u1ec3 t\u1ea1o m\u00e3 ngay c\u1ea3 khi kh\u00f4ng c\u00f3 k\u1ebft n\u1ed1i internet, \u0111\u1ea3m b\u1ea3o quy\u1ec1n truy c\u1eadp ngay c\u1ea3 trong tr\u01b0\u1eddng h\u1ee3p k\u1ebft n\u1ed1i k\u00e9m.<\/p>\n<\/li>\n<\/ol>\n

    C\u00e1c lo\u1ea1i OTP (M\u1eadt kh\u1ea9u d\u00f9ng m\u1ed9t l\u1ea7n)<\/h2>\n

    H\u00e3y ph\u00e2n lo\u1ea1i OTP d\u1ef1a tr\u00ean ph\u01b0\u01a1ng ph\u00e1p t\u1ea1o c\u1ee7a ch\u00fang:<\/p>\n\n\n\n\n\n\n\n\n\n\n
    Ki\u1ec3u<\/th>\nS\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n
    OTP d\u1ef1a tr\u00ean th\u1eddi gian (TOTP)<\/td>\nOTP \u0111\u01b0\u1ee3c t\u1ea1o d\u1ef1a tr\u00ean d\u1ea5u th\u1eddi gian v\u00e0 b\u00ed m\u1eadt chung. \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 (2FA).<\/td>\n<\/tr>\n
    OTP d\u1ef1a tr\u00ean HMAC (HOTP)<\/td>\nOTP \u0111\u01b0\u1ee3c t\u1ea1o b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng b\u1ed9 \u0111\u1ebfm v\u00e0 b\u00ed m\u1eadt chung. Th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u00e3 th\u00f4ng b\u00e1o b\u1ea3o m\u1eadt v\u1eadt l\u00fd.<\/td>\n<\/tr>\n
    OTP d\u1ef1a tr\u00ean SMS<\/td>\nOTP \u0111\u01b0\u1ee3c g\u1eedi t\u1edbi ng\u01b0\u1eddi d\u00f9ng qua SMS. K\u00e9m an to\u00e0n h\u01a1n do l\u1ed7 h\u1ed5ng ti\u1ec1m \u1ea9n trong m\u1ea1ng SMS.<\/td>\n<\/tr>\n
    OTP d\u1ef1a tr\u00ean email<\/td>\nOTP \u0111\u01b0\u1ee3c g\u1eedi t\u1edbi ng\u01b0\u1eddi d\u00f9ng qua email. T\u01b0\u01a1ng t\u1ef1 nh\u01b0 OTP d\u1ef1a tr\u00ean SMS nh\u01b0ng ph\u1ee5 thu\u1ed9c v\u00e0o b\u1ea3o m\u1eadt email.<\/td>\n<\/tr>\n
    M\u00e3 th\u00f4ng b\u00e1o ph\u1ea7n m\u1ec1m<\/td>\nOTP \u0111\u01b0\u1ee3c t\u1ea1o b\u1edfi c\u00e1c \u1ee9ng d\u1ee5ng ph\u1ea7n m\u1ec1m tr\u00ean thi\u1ebft b\u1ecb c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, ch\u1eb3ng h\u1ea1n nh\u01b0 Google Authenticator.<\/td>\n<\/tr>\n
    M\u00e3 th\u00f4ng b\u00e1o ph\u1ea7n c\u1ee9ng<\/td>\nC\u00e1c thi\u1ebft b\u1ecb v\u1eadt l\u00fd t\u1ea1o ra OTP, mang l\u1ea1i m\u1ee9c \u0111\u1ed9 b\u1ea3o m\u1eadt cao.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    C\u00e1ch s\u1eed d\u1ee5ng OTP (M\u1eadt kh\u1ea9u d\u00f9ng m\u1ed9t l\u1ea7n) v\u00e0 nh\u1eefng th\u00e1ch th\u1ee9c li\u00ean quan<\/h2>\n

    Vi\u1ec7c s\u1eed d\u1ee5ng OTP m\u1edf r\u1ed9ng tr\u00ean nhi\u1ec1u mi\u1ec1n kh\u00e1c nhau, bao g\u1ed3m:<\/p>\n

      \n
    1. \n

      Ng\u00e2n h\u00e0ng tr\u1ef1c tuy\u1ebfn:<\/strong> OTP th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c giao d\u1ecbch t\u00e0i ch\u00ednh \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o danh t\u00ednh c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<\/li>\n

    2. \n

      X\u00e1c th\u1ef1c:<\/strong> Ch\u00fang \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o quy\u1ec1n truy c\u1eadp v\u00e0o c\u00e1c h\u1ec7 th\u1ed1ng v\u00e0 m\u1ea1ng nh\u1ea1y c\u1ea3m c\u1ee7a c\u00f4ng ty.<\/p>\n<\/li>\n

    3. \n

      Th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed:<\/strong> OTP \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong qu\u00e1 tr\u00ecnh mua s\u1eafm tr\u1ef1c tuy\u1ebfn \u0111\u1ec3 x\u00e1c minh giao d\u1ecbch.<\/p>\n<\/li>\n

    4. \n

      Kh\u00f4i ph\u1ee5c m\u1eadt kh\u1ea9u:<\/strong> OTP h\u1ed7 tr\u1ee3 qu\u00e1 tr\u00ecnh kh\u00f4i ph\u1ee5c m\u1eadt kh\u1ea9u, b\u1ed5 sung th\u00eam m\u1ed9t l\u1edbp b\u1ea3o m\u1eadt.<\/p>\n<\/li>\n<\/ol>\n

      Nh\u1eefng th\u00e1ch th\u1ee9c li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng OTP bao g\u1ed3m kh\u1ea3 n\u0103ng x\u1ea3y ra c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u1eeba \u0111\u1ea3o, tr\u00e1o \u0111\u1ed5i th\u1ebb SIM v\u00e0 \u0111\u00e1nh c\u1eafp thi\u1ebft b\u1ecb. C\u00e1c gi\u1ea3i ph\u00e1p bao g\u1ed3m s\u1eed d\u1ee5ng c\u00e1c k\u00eanh li\u00ean l\u1ea1c an to\u00e0n, x\u00e1c th\u1ef1c sinh tr\u1eafc h\u1ecdc v\u00e0 gi\u00e1o d\u1ee5c ng\u01b0\u1eddi d\u00f9ng.<\/p>\n

      C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 so s\u00e1nh v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1<\/h2>\n

      H\u00e3y so s\u00e1nh OTP v\u1edbi c\u00e1c thu\u1eadt ng\u1eef li\u00ean quan:<\/p>\n\n\n\n\n\n\n\n
      Thu\u1eadt ng\u1eef<\/th>\nS\u1ef1 mi\u00eau t\u1ea3<\/th>\nS\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh t\u1eeb OTP<\/th>\n<\/tr>\n<\/thead>\n
      M\u1eadt kh\u1ea9u<\/td>\nM\u00e3 ch\u1eef v\u00e0 s\u1ed1 t\u0129nh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c th\u1ef1c.<\/td>\nT\u0129nh; kh\u00f4ng b\u1ecb r\u00e0ng bu\u1ed9c v\u1ec1 th\u1eddi gian ho\u1eb7c n\u0103ng \u0111\u1ed9ng.<\/td>\n<\/tr>\n
      X\u00e1c th\u1ef1c sinh tr\u1eafc h\u1ecdc<\/td>\nS\u1eed d\u1ee5ng c\u00e1c thu\u1ed9c t\u00ednh v\u1eadt l\u00fd (v\u00ed d\u1ee5: d\u1ea5u v\u00e2n tay) \u0111\u1ec3 x\u00e1c th\u1ef1c.<\/td>\nD\u1ef1a v\u00e0o d\u1eef li\u1ec7u sinh tr\u1eafc h\u1ecdc, kh\u00f4ng ph\u1ea3i m\u00e3.<\/td>\n<\/tr>\n
      X\u00e1c th\u1ef1c m\u00e3 th\u00f4ng b\u00e1o<\/td>\nLi\u00ean quan \u0111\u1ebfn m\u00e3 th\u00f4ng b\u00e1o v\u1eadt l\u00fd ho\u1eb7c ph\u1ea7n m\u1ec1m \u0111\u1ec3 x\u00e1c th\u1ef1c.<\/td>\nC\u00f3 th\u1ec3 s\u1eed d\u1ee5ng OTP nh\u01b0 m\u1ed9t ph\u1ea7n c\u1ee7a quy tr\u00ecnh.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ee7a t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn OTP<\/h2>\n

      T\u01b0\u01a1ng lai c\u1ee7a OTP \u0111\u1ea7y h\u1ee9a h\u1eb9n, v\u1edbi nh\u1eefng ti\u1ebfn b\u1ed9 v\u1ec1 sinh tr\u1eafc h\u1ecdc, tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o v\u00e0 c\u00f4ng ngh\u1ec7 chu\u1ed7i kh\u1ed1i \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c t\u0103ng c\u01b0\u1eddng t\u00ednh b\u1ea3o m\u1eadt v\u00e0 kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng c\u1ee7a ch\u00fang. Ngo\u00e0i ra, vi\u1ec7c t\u00edch h\u1ee3p OTP v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi n\u1ed5i nh\u01b0 kh\u1ea3 n\u0103ng kh\u00e1ng t\u00ednh to\u00e1n l\u01b0\u1ee3ng t\u1eed l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c \u0111ang \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u t\u00edch c\u1ef1c.<\/p>\n

      C\u00e1ch s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 proxy v\u1edbi OTP (M\u1eadt kh\u1ea9u m\u1ed9t l\u1ea7n)<\/h2>\n

      M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng \u0111\u00e1ng k\u1ec3 t\u00ednh b\u1ea3o m\u1eadt c\u1ee7a h\u1ec7 th\u1ed1ng OTP. B\u1eb1ng c\u00e1ch \u0111\u1ecbnh tuy\u1ebfn c\u00e1c y\u00eau c\u1ea7u OTP th\u00f4ng qua m\u00e1y ch\u1ee7 proxy, c\u00e1c t\u1ed5 ch\u1ee9c c\u00f3 th\u1ec3:<\/p>\n

        \n
      1. \n

        T\u0103ng c\u01b0\u1eddng \u1ea9n danh:<\/strong> M\u00e1y ch\u1ee7 proxy \u1ea9n \u0111\u1ecba ch\u1ec9 IP c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, khi\u1ebfn k\u1ebb t\u1ea5n c\u00f4ng kh\u00f3 theo d\u00f5i v\u1ecb tr\u00ed c\u1ee7a h\u1ecd ho\u1eb7c th\u1ef1c hi\u1ec7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u00f3 ch\u1ee7 \u0111\u00edch.<\/p>\n<\/li>\n

      2. \n

        B\u1ea3o v\u1ec7 ph\u00e2n t\u00e1n:<\/strong> M\u1ea1ng proxy ph\u00e2n t\u00e1n cung c\u1ea5p kh\u1ea3 n\u0103ng d\u1ef1 ph\u00f2ng v\u00e0 b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS, \u0111\u1ea3m b\u1ea3o c\u00e1c d\u1ecbch v\u1ee5 OTP v\u1eabn c\u00f3 th\u1ec3 truy c\u1eadp \u0111\u01b0\u1ee3c.<\/p>\n<\/li>\n

      3. \n

        Ki\u1ec3m so\u00e1t v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd:<\/strong> M\u00e1y ch\u1ee7 proxy cho ph\u00e9p c\u00e1c t\u1ed5 ch\u1ee9c h\u1ea1n ch\u1ebf quy\u1ec1n truy c\u1eadp OTP v\u00e0o c\u00e1c khu v\u1ef1c \u0111\u1ecba l\u00fd c\u1ee5 th\u1ec3, b\u1ed5 sung th\u00eam m\u1ed9t l\u1edbp b\u1ea3o m\u1eadt.<\/p>\n<\/li>\n

      4. \n

        C\u00e2n b\u1eb1ng t\u1ea3i:<\/strong> M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 c\u00e2n b\u1eb1ng t\u1ea3i c\u00e1c y\u00eau c\u1ea7u OTP, ng\u0103n ch\u1eb7n t\u00ecnh tr\u1ea1ng gi\u00e1n \u0111o\u1ea1n d\u1ecbch v\u1ee5 trong th\u1eddi gian s\u1eed d\u1ee5ng cao \u0111i\u1ec3m.<\/p>\n<\/li>\n<\/ol>\n

        T\u00f3m l\u1ea1i, OTP l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n quan tr\u1ecdng c\u1ee7a h\u1ec7 th\u1ed1ng b\u1ea3o m\u1eadt hi\u1ec7n \u0111\u1ea1i v\u00e0 vi\u1ec7c t\u00edch h\u1ee3p ch\u00fang v\u1edbi m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt h\u01a1n n\u1eefa v\u00e0 n\u00e2ng cao quy\u1ec1n ri\u00eang t\u01b0 c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/p>\n

        Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n

        \u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin chuy\u00ean s\u00e2u v\u1ec1 OTP, h\u00e3y tham kh\u1ea3o c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n

          \n
        1. \u1ea4n ph\u1ea9m \u0111\u1eb7c bi\u1ec7t c\u1ee7a NIST 800-63B<\/a> \u2013 H\u01b0\u1edbng d\u1eabn c\u1ee7a NIST v\u1ec1 nh\u1eadn d\u1ea1ng v\u00e0 x\u00e1c th\u1ef1c k\u1ef9 thu\u1eadt s\u1ed1, bao g\u1ed3m c\u1ea3 OTP.<\/li>\n
        2. RFC 6238<\/a> \u2013 Ti\u00eau chu\u1ea9n c\u1ee7a L\u1ef1c l\u01b0\u1ee3ng \u0111\u1eb7c nhi\u1ec7m k\u1ef9 thu\u1eadt Internet (IETF) d\u00e0nh cho OTP d\u1ef1a tr\u00ean th\u1eddi gian.<\/li>\n
        3. Tr\u00ecnh x\u00e1c th\u1ef1c Google<\/a> \u2013 Th\u00f4ng tin s\u1eed d\u1ee5ng OTP qua \u1ee9ng d\u1ee5ng Google Authenticator.<\/li>\n<\/ol>\n

          H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n n\u00e0y cung c\u1ea5p s\u1ef1 hi\u1ec3u bi\u1ebft th\u1ea5u \u0111\u00e1o v\u1ec1 OTP v\u00e0 vai tr\u00f2 quan tr\u1ecdng c\u1ee7a ch\u00fang trong vi\u1ec7c t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt tr\u1ef1c tuy\u1ebfn.<\/p>","protected":false},"featured_media":579576,"menu_order":0,"template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-579575","glossary","type-glossary","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/glossary\/579575","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":0,"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/glossary\/579575\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/media\/579576"}],"wp:attachment":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/media?parent=579575"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}