{"id":476825,"date":"2023-08-09T07:36:15","date_gmt":"2023-08-09T07:36:15","guid":{"rendered":""},"modified":"2023-09-05T11:13:29","modified_gmt":"2023-09-05T11:13:29","slug":"digital-fingerprint","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/digital-fingerprint\/","title":{"rendered":"D\u1ea5u v\u00e2n tay k\u1ef9 thu\u1eadt s\u1ed1"},"content":{"rendered":"

D\u1ea5u v\u00e2n tay k\u1ef9 thu\u1eadt s\u1ed1, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 d\u1ea5u v\u00e2n tay thi\u1ebft b\u1ecb ho\u1eb7c d\u1ea5u v\u00e2n tay tr\u00ecnh duy\u1ec7t, \u0111\u1ec1 c\u1eadp \u0111\u1ebfn m\u1ed9t k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 nh\u1eadn d\u1ea1ng v\u00e0 theo d\u00f5i duy nh\u1ea5t c\u00e1c thi\u1ebft b\u1ecb ho\u1eb7c ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp trang web ho\u1eb7c d\u1ecbch v\u1ee5 tr\u1ef1c tuy\u1ebfn. N\u00f3 t\u1ea1o ra m\u1ed9t m\u00e3 nh\u1eadn d\u1ea1ng duy nh\u1ea5t d\u1ef1a tr\u00ean c\u00e1c thu\u1ed9c t\u00ednh v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m kh\u00e1c nhau c\u1ee7a thi\u1ebft b\u1ecb ho\u1eb7c tr\u00ecnh duy\u1ec7t web, t\u1ea1o th\u00e0nh m\u1ed9t \u201cd\u1ea5u v\u00e2n tay\u201d \u0111\u1ec3 ph\u00e2n bi\u1ec7t n\u00f3 v\u1edbi nh\u1eefng thi\u1ebft b\u1ecb kh\u00e1c. D\u1ea5u v\u00e2n tay k\u1ef9 thu\u1eadt s\u1ed1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i cho m\u1ee5c \u0111\u00edch b\u1ea3o m\u1eadt, ng\u0103n ch\u1eb7n gian l\u1eadn, ph\u00e2n t\u00edch v\u00e0 c\u00e1 nh\u00e2n h\u00f3a.<\/p>\n

L\u1ecbch s\u1eed ngu\u1ed3n g\u1ed1c c\u1ee7a V\u00e2n Tay K\u1ef9 Thu\u1eadt S\u1ed1 v\u00e0 l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u1ec1 c\u1eadp \u0111\u1ebfn n\u00f3<\/h2>\n

Kh\u00e1i ni\u1ec7m d\u1ea5u v\u00e2n tay k\u1ef9 thu\u1eadt s\u1ed1 xu\u1ea5t hi\u1ec7n v\u00e0o cu\u1ed1i nh\u1eefng n\u0103m 1990 khi c\u00f4ng ngh\u1ec7 internet ph\u00e1t tri\u1ec3n v\u00e0 m\u1ed1i lo ng\u1ea1i v\u1ec1 quy\u1ec1n ri\u00eang t\u01b0 tr\u1edf n\u00ean r\u00f5 r\u00e0ng h\u01a1n. L\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u1ec1 c\u1eadp \u0111\u1ebfn d\u1ea5u v\u00e2n tay k\u1ef9 thu\u1eadt s\u1ed1 c\u00f3 th\u1ec3 b\u1eaft ngu\u1ed3n t\u1eeb m\u1ed9t b\u00e0i b\u00e1o nghi\u00ean c\u1ee9u n\u0103m 1999 c\u00f3 t\u1ef1a \u0111\u1ec1 \u201cD\u1ea5u v\u00e2n tay c\u1ee7a tr\u00ecnh duy\u1ec7t web\u201d c\u1ee7a t\u00e1c gi\u1ea3 Marc Langheinrich. B\u00e0i vi\u1ebft kh\u00e1m ph\u00e1 kh\u1ea3 n\u0103ng x\u00e1c \u0111\u1ecbnh c\u00e1c tr\u00ecnh duy\u1ec7t web d\u1ef1a tr\u00ean c\u1ea5u h\u00ecnh v\u00e0 thu\u1ed9c t\u00ednh duy nh\u1ea5t c\u1ee7a ch\u00fang.<\/p>\n

Th\u00f4ng tin chi ti\u1ebft v\u1ec1 V\u00e2n Tay K\u1ef9 Thu\u1eadt S\u1ed1<\/h2>\n

D\u1ea5u v\u00e2n tay k\u1ef9 thu\u1eadt s\u1ed1 ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch thu th\u1eadp nhi\u1ec1u lo\u1ea1i th\u00f4ng tin d\u00e0nh ri\u00eang cho thi\u1ebft b\u1ecb t\u1eeb tr\u00ecnh duy\u1ec7t web ho\u1eb7c thi\u1ebft b\u1ecb m\u00e0 kh\u00f4ng tr\u1ef1c ti\u1ebfp nh\u1eadn d\u1ea1ng ng\u01b0\u1eddi d\u00f9ng. Th\u00f4ng tin n\u00e0y bao g\u1ed3m c\u00e1c chi ti\u1ebft nh\u01b0 h\u1ec7 \u0111i\u1ec1u h\u00e0nh, phi\u00ean b\u1ea3n tr\u00ecnh duy\u1ec7t, \u0111\u1ed9 ph\u00e2n gi\u1ea3i m\u00e0n h\u00ecnh, ph\u00f4ng ch\u1eef \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t, m\u00fai gi\u1edd, t\u00f9y ch\u1ecdn ng\u00f4n ng\u1eef, plugin, v.v. Ri\u00eang l\u1ebb, c\u00e1c thu\u1ed9c t\u00ednh n\u00e0y c\u00f3 th\u1ec3 kh\u00f4ng ph\u1ea3i l\u00e0 duy nh\u1ea5t, nh\u01b0ng khi k\u1ebft h\u1ee3p l\u1ea1i, ch\u00fang s\u1ebd t\u1ea1o ra d\u1ea5u v\u00e2n tay ri\u00eang bi\u1ec7t cho t\u1eebng thi\u1ebft b\u1ecb.<\/p>\n

C\u00e1c trang web v\u00e0 d\u1ecbch v\u1ee5 tr\u1ef1c tuy\u1ebfn s\u1eed d\u1ee5ng nhi\u1ec1u k\u1ef9 thu\u1eadt kh\u00e1c nhau nh\u01b0 JavaScript, Flash ho\u1eb7c HTML5 \u0111\u1ec3 thu th\u1eadp th\u00f4ng tin n\u00e0y. Sau khi \u0111\u01b0\u1ee3c thu th\u1eadp, d\u1ea5u v\u00e2n tay k\u1ef9 thu\u1eadt s\u1ed1 s\u1ebd \u0111\u01b0\u1ee3c so s\u00e1nh v\u1edbi c\u01a1 s\u1edf d\u1eef li\u1ec7u ho\u1eb7c \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef d\u01b0\u1edbi d\u1ea1ng cookie tr\u00ean thi\u1ebft b\u1ecb c\u1ee7a ng\u01b0\u1eddi d\u00f9ng \u0111\u1ec3 tham kh\u1ea3o trong t\u01b0\u01a1ng lai.<\/p>\n

C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a V\u00e2n tay s\u1ed1 v\u00e0 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng<\/h2>\n

C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a d\u1ea5u v\u00e2n tay k\u1ef9 thu\u1eadt s\u1ed1 \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb nhi\u1ec1u th\u00e0nh ph\u1ea7n, m\u1ed7i th\u00e0nh ph\u1ea7n g\u00f3p ph\u1ea7n t\u1ea1o n\u00ean t\u00ednh duy nh\u1ea5t c\u1ee7a m\u00e3 \u0111\u1ecbnh danh. M\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 ch\u00ednh t\u1ea1o n\u00ean d\u1ea5u v\u00e2n tay k\u1ef9 thu\u1eadt s\u1ed1 bao g\u1ed3m:<\/p>\n

    \n
  1. \n

    \u0110\u1ea1i l\u00fd ng\u01b0\u1eddi d\u00f9ng:<\/strong> Th\u00f4ng tin v\u1ec1 tr\u00ecnh duy\u1ec7t web v\u00e0 h\u1ec7 \u0111i\u1ec1u h\u00e0nh c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<\/li>\n

  2. \n

    Ti\u00eau \u0111\u1ec1 HTTP:<\/strong> D\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n gi\u1eefa tr\u00ecnh duy\u1ec7t c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 m\u00e1y ch\u1ee7, ch\u1ee9a c\u00e1c chi ti\u1ebft nh\u01b0 lo\u1ea1i tr\u00ecnh duy\u1ec7t, ng\u00f4n ng\u1eef v\u00e0 m\u00e3 h\u00f3a.<\/p>\n<\/li>\n

  3. \n

    Thu\u1ed9c t\u00ednh m\u00e0n h\u00ecnh:<\/strong> \u0110\u1ed9 ph\u00e2n gi\u1ea3i m\u00e0n h\u00ecnh v\u00e0 \u0111\u1ed9 s\u00e2u m\u00e0u.<\/p>\n<\/li>\n

  4. \n

    Ph\u00f4ng ch\u1eef \u0111\u00e3 c\u00e0i \u0111\u1eb7t:<\/strong> Danh s\u00e1ch c\u00e1c ph\u00f4ng ch\u1eef c\u00f3 s\u1eb5n tr\u00ean h\u1ec7 th\u1ed1ng c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<\/li>\n

  5. \n

    M\u00fai gi\u1edd:<\/strong> C\u00e0i \u0111\u1eb7t m\u00fai gi\u1edd c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n<\/li>\n

  6. \n

    Plugin v\u00e0 ti\u1ec7n \u00edch m\u1edf r\u1ed9ng:<\/strong> Th\u00f4ng tin v\u1ec1 c\u00e1c plugin v\u00e0 ti\u1ec7n \u00edch m\u1edf r\u1ed9ng c\u1ee7a tr\u00ecnh duy\u1ec7t \u0111\u00e3 c\u00e0i \u0111\u1eb7t.<\/p>\n<\/li>\n

  7. \n

    D\u1ea5u v\u00e2n tay canvas:<\/strong> Tr\u00edch xu\u1ea5t v\u00e0 ph\u00e2n t\u00edch c\u00e1c m\u1eabu k\u1ebft xu\u1ea5t duy nh\u1ea5t c\u1ee7a tr\u00ecnh duy\u1ec7t c\u1ee7a ng\u01b0\u1eddi d\u00f9ng \u0111\u1ec3 t\u1ea1o d\u1ea5u v\u00e2n tay.<\/p>\n<\/li>\n<\/ol>\n

    Qu\u00e1 tr\u00ecnh l\u1ea5y d\u1ea5u v\u00e2n tay k\u1ef9 thu\u1eadt s\u1ed1 bao g\u1ed3m vi\u1ec7c thu th\u1eadp c\u00e1c thu\u1ed9c t\u00ednh n\u00e0y, b\u0103m ch\u00fang v\u00e0 t\u1ea1o m\u00e3 nh\u1eadn d\u1ea1ng duy nh\u1ea5t \u0111\u1ea1i di\u1ec7n cho thi\u1ebft b\u1ecb ho\u1eb7c tr\u00ecnh duy\u1ec7t. Sau \u0111\u00f3, c\u00e1c trang web c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u00e3 nh\u1eadn d\u1ea1ng n\u00e0y \u0111\u1ec3 theo d\u00f5i v\u00e0 nh\u1eadn ra ng\u01b0\u1eddi d\u00f9ng quay l\u1ea1i.<\/p>\n

    Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a V\u00e2n tay k\u1ef9 thu\u1eadt s\u1ed1<\/h2>\n

    D\u1ea5u v\u00e2n tay k\u1ef9 thu\u1eadt s\u1ed1 cung c\u1ea5p m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng ch\u00ednh khi\u1ebfn ch\u00fang c\u00f3 gi\u00e1 tr\u1ecb cho c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau:<\/p>\n

      \n
    1. \n

      T\u00ednh duy nh\u1ea5t:<\/strong> M\u1ed7i d\u1ea5u v\u00e2n tay k\u1ef9 thu\u1eadt s\u1ed1 l\u00e0 duy nh\u1ea5t, mang l\u1ea1i hi\u1ec7u qu\u1ea3 cao cho vi\u1ec7c nh\u1eadn d\u1ea1ng thi\u1ebft b\u1ecb c\u00e1 nh\u00e2n.<\/p>\n<\/li>\n

    2. \n

      Theo d\u00f5i li\u00ean t\u1ee5c:<\/strong> Kh\u00f4ng gi\u1ed1ng nh\u01b0 cookie truy\u1ec1n th\u1ed1ng, d\u1ea5u v\u00e2n tay k\u1ef9 thu\u1eadt s\u1ed1 kh\u00f3 x\u00f3a ho\u1eb7c thao t\u00e1c, cho ph\u00e9p theo d\u00f5i l\u00e2u d\u00e0i.<\/p>\n<\/li>\n

    3. \n

      B\u1ed9 s\u01b0u t\u1eadp th\u1ee5 \u0111\u1ed9ng:<\/strong> D\u1ea5u v\u00e2n tay k\u1ef9 thu\u1eadt s\u1ed1 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thu th\u1eadp m\u1ed9t c\u00e1ch th\u1ee5 \u0111\u1ed9ng m\u00e0 kh\u00f4ng c\u1ea7n c\u00f3 s\u1ef1 \u0111\u1ed3ng \u00fd c\u1ee7a ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c h\u00e0nh \u0111\u1ed9ng r\u00f5 r\u00e0ng.<\/p>\n<\/li>\n

    4. \n

      \u1ea8n danh:<\/strong> M\u1eb7c d\u00f9 d\u1ea5u v\u00e2n tay k\u1ef9 thu\u1eadt s\u1ed1 x\u00e1c \u0111\u1ecbnh thi\u1ebft b\u1ecb nh\u01b0ng ch\u00fang kh\u00f4ng nh\u1ea5t thi\u1ebft ph\u1ea3i li\u00ean k\u1ebft l\u1ea1i v\u1edbi c\u00e1c c\u00e1 nh\u00e2n c\u1ee5 th\u1ec3, mang l\u1ea1i m\u1ee9c \u0111\u1ed9 \u1ea9n danh.<\/p>\n<\/li>\n

    5. \n

      Ph\u00e1t hi\u1ec7n gian l\u1eadn:<\/strong> D\u1ea5u v\u00e2n tay k\u1ef9 thu\u1eadt s\u1ed1 h\u1ed7 tr\u1ee3 ng\u0103n ch\u1eb7n gian l\u1eadn b\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh c\u00e1c ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng ng\u1edd ho\u1eb7c l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp do bot \u0111i\u1ec1u khi\u1ec3n.<\/p>\n<\/li>\n<\/ol>\n

      C\u00e1c lo\u1ea1i d\u1ea5u v\u00e2n tay k\u1ef9 thu\u1eadt s\u1ed1<\/h2>\n

      C\u00f3 nhi\u1ec1u lo\u1ea1i d\u1ea5u v\u00e2n tay k\u1ef9 thu\u1eadt s\u1ed1 kh\u00e1c nhau d\u1ef1a tr\u00ean ph\u01b0\u01a1ng ph\u00e1p thu th\u1eadp d\u1eef li\u1ec7u v\u00e0 m\u1ee5c \u0111\u00edch c\u1ee7a ch\u00fang. M\u1ed9t s\u1ed1 lo\u1ea1i ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\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
      D\u1ea5u v\u00e2n tay tr\u00ecnh duy\u1ec7t<\/td>\nD\u1ef1a tr\u00ean c\u00e1c thu\u1ed9c t\u00ednh d\u00e0nh ri\u00eang cho tr\u00ecnh duy\u1ec7t v\u00e0 thi\u1ebft b\u1ecb.<\/td>\n<\/tr>\n
      V\u00e2n tay thi\u1ebft b\u1ecb<\/td>\nT\u1eadp trung v\u00e0o th\u00f4ng tin ph\u1ea7n c\u1ee9ng v\u00e0 h\u1ec7 \u0111i\u1ec1u h\u00e0nh.<\/td>\n<\/tr>\n
      D\u1ea5u v\u00e2n tay canvas<\/td>\nPh\u00e2n t\u00edch k\u1ebft xu\u1ea5t canvas HTML \u0111\u1ec3 t\u00ecm m\u00e3 \u0111\u1ecbnh danh duy nh\u1ea5t.<\/td>\n<\/tr>\n
      D\u1ea5u v\u00e2n tay \u00e2m thanh<\/td>\nS\u1eed d\u1ee5ng \u0111\u1eb7c \u0111i\u1ec3m \u00e2m thanh \u0111\u1ec3 nh\u1eadn d\u1ea1ng thi\u1ebft b\u1ecb.<\/td>\n<\/tr>\n
      D\u1ea5u v\u00e2n tay ph\u00f4ng ch\u1eef<\/td>\nD\u1ef1a v\u00e0o c\u00e1c lo\u1ea1i v\u00e0 bi\u1ebfn th\u1ec3 ph\u00f4ng ch\u1eef \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      C\u00e1ch s\u1eed d\u1ee5ng V\u00e2n tay s\u1ed1, v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p<\/h2>\n

      C\u00f4ng d\u1ee5ng c\u1ee7a d\u1ea5u v\u00e2n tay k\u1ef9 thu\u1eadt s\u1ed1:<\/h3>\n
        \n
      1. \n

        B\u1ea3o v\u1ec7:<\/strong> D\u1ea5u v\u00e2n tay k\u1ef9 thu\u1eadt s\u1ed1 t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt b\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh c\u00e1c m\u1ed1i \u0111e d\u1ecda ti\u1ec1m \u1ea9n v\u00e0 ph\u00e1t hi\u1ec7n c\u00e1c ho\u1ea1t \u0111\u1ed9ng gian l\u1eadn.<\/p>\n<\/li>\n

      2. \n

        C\u00e1 nh\u00e2n h\u00f3a:<\/strong> C\u00e1c trang web s\u1eed d\u1ee5ng d\u1ea5u v\u00e2n tay k\u1ef9 thu\u1eadt s\u1ed1 \u0111\u1ec3 cung c\u1ea5p n\u1ed9i dung v\u00e0 tr\u1ea3i nghi\u1ec7m \u0111\u01b0\u1ee3c c\u00e1 nh\u00e2n h\u00f3a cho ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<\/li>\n

      3. \n

        Ph\u00e2n t\u00edch:<\/strong> D\u1ea5u v\u00e2n tay k\u1ef9 thu\u1eadt s\u1ed1 h\u1ed7 tr\u1ee3 ph\u00e2n t\u00edch trang web v\u00e0 ph\u00e2n t\u00edch l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp.<\/p>\n<\/li>\n

      4. \n

        Nh\u1eafm m\u1ee5c ti\u00eau qu\u1ea3ng c\u00e1o:<\/strong> Nh\u00e0 qu\u1ea3ng c\u00e1o s\u1eed d\u1ee5ng d\u1ea5u v\u00e2n tay k\u1ef9 thu\u1eadt s\u1ed1 \u0111\u1ec3 nh\u1eafm m\u1ee5c ti\u00eau \u0111\u1ed1i t\u01b0\u1ee3ng c\u1ee5 th\u1ec3 v\u00e0 theo d\u00f5i hi\u1ec7u su\u1ea5t qu\u1ea3ng c\u00e1o.<\/p>\n<\/li>\n<\/ol>\n

        V\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p:<\/h3>\n
          \n
        1. \n

          M\u1ed1i quan t\u00e2m v\u1ec1 quy\u1ec1n ri\u00eang t\u01b0:<\/strong> D\u1ea5u v\u00e2n tay k\u1ef9 thu\u1eadt s\u1ed1 g\u00e2y lo ng\u1ea1i v\u1ec1 quy\u1ec1n ri\u00eang t\u01b0 v\u00ec ch\u00fang c\u00f3 th\u1ec3 theo d\u00f5i ng\u01b0\u1eddi d\u00f9ng tr\u00ean c\u00e1c trang web m\u00e0 kh\u00f4ng c\u00f3 s\u1ef1 \u0111\u1ed3ng \u00fd r\u00f5 r\u00e0ng. Vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c ch\u00ednh s\u00e1ch b\u1ea3o m\u1eadt minh b\u1ea1ch v\u00e0 cho ph\u00e9p c\u00e1c t\u00f9y ch\u1ecdn t\u1eeb ch\u1ed1i c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft nh\u1eefng lo ng\u1ea1i n\u00e0y.<\/p>\n<\/li>\n

        2. \n

          Sai:<\/strong> M\u1ed9t s\u1ed1 thu\u1ed9c t\u00ednh nh\u1ea5t \u0111\u1ecbnh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u1ea5y d\u1ea5u v\u00e2n tay c\u00f3 th\u1ec3 thay \u0111\u1ed5i theo th\u1eddi gian, d\u1eabn \u0111\u1ebfn k\u1ebft qu\u1ea3 kh\u00f4ng ch\u00ednh x\u00e1c. C\u1eadp nh\u1eadt li\u00ean t\u1ee5c v\u00e0 tinh ch\u1ec9nh k\u1ef9 thu\u1eadt l\u1ea5y d\u1ea5u v\u00e2n tay c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m thi\u1ec3u v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/p>\n<\/li>\n

        3. \n

          K\u1ef9 thu\u1eadt n\u00e9 tr\u00e1nh:<\/strong> M\u1ed9t s\u1ed1 ng\u01b0\u1eddi d\u00f9ng s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 ho\u1eb7c k\u1ef9 thu\u1eadt \u0111\u1ec3 thay \u0111\u1ed5i d\u1ea5u v\u00e2n tay k\u1ef9 thu\u1eadt s\u1ed1 c\u1ee7a h\u1ecd v\u00e0 tr\u00e1nh b\u1ecb theo d\u00f5i. Vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c ph\u01b0\u01a1ng ph\u00e1p l\u1ea5y d\u1ea5u v\u00e2n tay ti\u00ean ti\u1ebfn c\u00f3 th\u1ec3 gi\u00fap ch\u1ed1ng l\u1ea1i s\u1ef1 tr\u1ed1n tr\u00e1nh \u0111\u00f3.<\/p>\n<\/li>\n<\/ol>\n

          \u0110\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 so s\u00e1nh<\/h2>\n\n\n\n\n\n\n\n\n
          \u0111\u1eb7c tr\u01b0ng<\/th>\nD\u1ea5u v\u00e2n tay k\u1ef9 thu\u1eadt s\u1ed1<\/th>\nB\u00e1nh quy<\/th>\n<\/tr>\n<\/thead>\n
          T\u00ednh duy nh\u1ea5t<\/td>\nR\u1ea5t \u0111\u1ed9c \u0111\u00e1o<\/td>\n\u00cdt \u0111\u1ed9c \u0111\u00e1o h\u01a1n<\/td>\n<\/tr>\n
          S\u1ef1 \u0111\u1ed3ng \u00fd c\u1ee7a ng\u01b0\u1eddi d\u00f9ng<\/td>\nB\u1ed9 s\u01b0u t\u1eadp th\u1ee5 \u0111\u1ed9ng<\/td>\nY\u00eau c\u1ea7u s\u1ef1 \u0111\u1ed3ng \u00fd c\u1ee7a ng\u01b0\u1eddi d\u00f9ng<\/td>\n<\/tr>\n
          Ki\u00ean tr\u00ec<\/td>\nKh\u00f3 x\u00f3a<\/td>\nC\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng x\u00f3a<\/td>\n<\/tr>\n
          \u1ea9n danh<\/td>\nX\u00e1c \u0111\u1ecbnh thi\u1ebft b\u1ecb<\/td>\nKh\u00f4ng li\u00ean k\u1ebft tr\u1ef1c ti\u1ebfp v\u1edbi c\u00e1 nh\u00e2n<\/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 V\u00e2n tay s\u1ed1<\/h2>\n

          T\u01b0\u01a1ng lai c\u1ee7a d\u1ea5u v\u00e2n tay k\u1ef9 thu\u1eadt s\u1ed1 n\u1eb1m \u1edf vi\u1ec7c \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa m\u1ed1i quan t\u00e2m v\u1ec1 quy\u1ec1n ri\u00eang t\u01b0 v\u00e0 c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng h\u1ee3p ph\u00e1p. Nh\u1eefng ti\u1ebfn b\u1ed9 c\u00f4ng ngh\u1ec7 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c k\u1ef9 thu\u1eadt l\u1ea5y d\u1ea5u v\u00e2n tay ph\u1ee9c t\u1ea1p h\u01a1n, khi\u1ebfn ch\u00fang kh\u00f3 tr\u1ed1n tr\u00e1nh h\u01a1n v\u00e0 ch\u00ednh x\u00e1c h\u01a1n. Tuy nhi\u00ean, v\u1edbi c\u00e1c quy \u0111\u1ecbnh v\u1ec1 quy\u1ec1n ri\u00eang t\u01b0 ng\u00e0y c\u00e0ng t\u0103ng, vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u v\u00e0 s\u1ef1 \u0111\u1ed3ng \u00fd ch\u1eb7t ch\u1ebd h\u01a1n c\u1ee7a ng\u01b0\u1eddi d\u00f9ng s\u1ebd r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 duy tr\u00ec ni\u1ec1m tin c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/p>\n

          C\u00e1ch s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft M\u00e1y ch\u1ee7 proxy v\u1edbi D\u1ea5u v\u00e2n tay k\u1ef9 thu\u1eadt s\u1ed1<\/h2>\n

          M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi d\u1ea5u v\u00e2n tay k\u1ef9 thu\u1eadt s\u1ed1 theo c\u1ea3 hai c\u00e1ch b\u1ea3o v\u1ec7 v\u00e0 l\u1ea9n tr\u00e1nh. \u0110\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi d\u00f9ng lo ng\u1ea1i v\u1ec1 quy\u1ec1n ri\u00eang t\u01b0, m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 gi\u00fap che gi\u1ea5u d\u1ea5u v\u00e2n tay k\u1ef9 thu\u1eadt s\u1ed1 ban \u0111\u1ea7u c\u1ee7a h\u1ecd, khi\u1ebfn vi\u1ec7c theo d\u00f5i v\u00e0 nh\u1eadn d\u1ea1ng tr\u1edf n\u00ean kh\u00f3 kh\u0103n h\u01a1n. M\u1eb7t kh\u00e1c, t\u1eeb g\u00f3c \u0111\u1ed9 b\u1ea3o m\u1eadt, m\u00e1y ch\u1ee7 proxy c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e2n t\u00edch v\u00e0 gi\u00e1m s\u00e1t d\u1ea5u v\u00e2n tay k\u1ef9 thu\u1eadt s\u1ed1 nh\u1eb1m ph\u00e1t hi\u1ec7n c\u00e1c ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng ng\u1edd v\u00e0 ng\u0103n ch\u1eb7n gian l\u1eadn.<\/p>\n

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

          \u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 D\u1ea5u v\u00e2n tay k\u1ef9 thu\u1eadt s\u1ed1, b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n

            \n
          1. V\u00e2n tay k\u1ef9 thu\u1eadt s\u1ed1 - Wikipedia<\/a><\/li>\n
          2. Gi\u1ea3i th\u00edch v\u1ec1 d\u1ea5u v\u00e2n tay c\u1ee7a thi\u1ebft b\u1ecb \u2013 Digital Guardian<\/a><\/li>\n
          3. D\u1ea5u v\u00e2n tay c\u1ee7a tr\u00ecnh duy\u1ec7t: N\u00f3 l\u00e0 g\u00ec v\u00e0 b\u1ea1n c\u00f3 th\u1ec3 ng\u0103n ch\u1eb7n n\u00f3 nh\u01b0 th\u1ebf n\u00e0o? \u2013 So s\u00e1nh c\u00f4ng ngh\u1ec7<\/a><\/li>\n
          4. D\u1ea5u v\u00e2n tay canvas v\u00e0 c\u00e1ch ng\u0103n ch\u1eb7n n\u00f3 \u2013 EFF<\/a><\/li>\n<\/ol>\n
            \n

            Xin l\u01b0u \u00fd r\u1eb1ng b\u00e0i vi\u1ebft n\u00e0y ch\u1ec9 nh\u1eb1m m\u1ee5c \u0111\u00edch cung c\u1ea5p th\u00f4ng tin v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c coi l\u00e0 t\u01b0 v\u1ea5n ph\u00e1p l\u00fd, chuy\u00ean m\u00f4n ho\u1eb7c k\u1ef9 thu\u1eadt. Vi\u1ec7c s\u1eed d\u1ee5ng d\u1ea5u v\u00e2n tay k\u1ef9 thu\u1eadt s\u1ed1 v\u00e0 c\u00e1c c\u00f4ng ngh\u1ec7 li\u00ean quan ph\u1ea3i tu\u00e2n th\u1ee7 lu\u1eadt ph\u00e1p, quy \u0111\u1ecbnh v\u00e0 th\u1ef1c h\u00e0nh \u0111\u1ea1o \u0111\u1ee9c c\u00f3 li\u00ean quan.<\/p>","protected":false},"featured_media":476826,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476825","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about Digital Fingerprint: An Encyclopedia Article<\/mark>","faq_items":[{"question":"What is Digital Fingerprinting?","answer":"

            Digital Fingerprinting is a technique used to uniquely identify and track devices or users accessing websites or online services. It creates a unique identifier based on various attributes and characteristics of the device or web browser, forming a \"fingerprint\" that distinguishes it from others.<\/p>"},{"question":"Where did Digital Fingerprinting originate, and when was it first mentioned?","answer":"

            The concept of Digital Fingerprinting emerged in the late 1990s as internet technology evolved and privacy concerns grew. The first mention of digital fingerprints can be traced back to a 1999 research paper titled \"Web Browser Fingerprinting\" by Marc Langheinrich, exploring the possibility of identifying web browsers based on their unique configurations.<\/p>"},{"question":"How does Digital Fingerprinting work?","answer":"

            Digital Fingerprinting works by collecting device-specific information from web browsers or devices, such as browser type, operating system, screen resolution, installed fonts, timezone, language preferences, and more. This information is combined and hashed to create a unique identifier, which allows websites to track and recognize returning users.<\/p>"},{"question":"What are the key features of Digital Fingerprinting?","answer":"

            Digital Fingerprinting offers several key features, including uniqueness, persistence, passive collection, anonymity (as it identifies devices, not individuals), and its usefulness in fraud detection and personalization.<\/p>"},{"question":"What are the different types of Digital Fingerprinting?","answer":"

            There are several types of Digital Fingerprinting, including Browser Fingerprinting, Device Fingerprinting, Canvas Fingerprinting, Audio Fingerprinting, and Font Fingerprinting, each focusing on different attributes for identification.<\/p>"},{"question":"How is Digital Fingerprinting used?","answer":"

            Digital Fingerprinting is used for various purposes, including security to identify potential threats and prevent fraud, personalization to deliver tailored content, analytics for website traffic analysis, and ad targeting to reach specific audiences.<\/p>"},{"question":"What are the problems associated with Digital Fingerprinting and their solutions?","answer":"

            Digital Fingerprinting raises privacy concerns as it can track users without explicit consent. Implementing transparent privacy policies and offering opt-out options can address these concerns. Additionally, certain attributes used for fingerprinting may change over time, leading to inaccuracies, which can be mitigated by continuous updates and refining fingerprinting techniques.<\/p>"},{"question":"How does Digital Fingerprinting compare to cookies?","answer":"

            Digital Fingerprinting is highly unique, difficult to delete, and doesn't require explicit user consent (passive collection). In contrast, cookies are less unique, can be easily deleted, and require user consent for data storage.<\/p>"},{"question":"What does the future hold for Digital Fingerprinting?","answer":"

            The future of Digital Fingerprinting lies in striking a balance between privacy concerns and legitimate use cases. Advancements in technology may lead to more sophisticated fingerprinting techniques, but stricter user consent and data protection measures will be crucial to maintain user trust.<\/p>"},{"question":"How are proxy servers associated with Digital Fingerprinting?","answer":"

            Proxy servers can be used in two ways - to mask original digital fingerprints for privacy-conscious users, making tracking more challenging, and to analyze and monitor fingerprints for security purposes, detecting suspicious activities and preventing fraud.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/476825","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/476825\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/476826"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=476825"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}