{"id":33414,"date":"2023-12-08T02:29:49","date_gmt":"2023-12-08T02:29:49","guid":{"rendered":"https:\/\/masterskills.org\/blog\/ke-trom-tren-mang-sniffer-la-gi.html"},"modified":"2023-12-23T11:28:46","modified_gmt":"2023-12-23T04:28:46","slug":"ke-trom-tren-mang-sniffer-la-gi","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/ke-trom-tren-mang-sniffer-la-gi.html","title":{"rendered":"K\u1ebb tr\u1ed9m tr\u00ean m\u1ea1ng (Sniffer) l\u00e0 g\u00ec?"},"content":{"rendered":"
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H\u00ecnh minh h\u1ecda (Ngu\u1ed3n: three-hundread-schemas)<\/p>\n<\/div>\n<\/div>\n

K\u1ebb tr\u1ed9m tr\u00ean m\u1ea1ng<\/font><\/h2>\n

Kh\u00e1i ni\u1ec7m<\/b><\/p>\n

K\u1ebb tr\u1ed9m tr\u00ean m\u1ea1ng<\/b> trong ti\u1ebfng Anh \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0:\u00a0Sniffer.<\/b><\/p>\n

K\u1ebb tr\u1ed9m tr\u00ean m\u1ea1ng l\u00e0 m\u1ed9t d\u1ea1ng c\u1ee7a ch\u01b0\u01a1ng tr\u00ecnh nghe tr\u1ed9m, gi\u00e1m s\u00e1t s\u1ef1 di chuy\u1ec3n c\u1ee7a th\u00f4ng tin tr\u00ean m\u1ea1ng.\u00a0<\/p>\n

K\u1ebb tr\u1ed9m tr\u00ean m\u1ea1ng khi s\u1eed d\u1ee5ng v\u00e0o nh\u1eefng m\u1ee5c \u0111\u00edch h\u1ee3p ph\u00e1p, n\u00f3 c\u00f3 th\u1ec3 gi\u00fap ph\u00e1t hi\u1ec7n c\u00e1c \u0111i\u1ec3m y\u1ebfu c\u1ee7a m\u1ea1ng, nh\u01b0ng ng\u01b0\u1ee3c l\u1ea1i, n\u1ebfu s\u1eed d\u1ee5ng v\u00e0o c\u00e1c m\u1ee5c \u0111\u00edch ph\u1ea1m t\u1ed9i, n\u00f3 s\u1ebd tr\u1edf th\u00e0nh nh\u1eefng m\u1ed1i hi\u1ec3m ho\u1ea1 l\u1edbn v\u00e0 r\u1ea5t kh\u00f3 c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n.\u00a0<\/p>\n

K\u1ebb tr\u1ed9m c\u0169ng c\u00f3 th\u1ec3 ch\u00ednh l\u00e0 nh\u1eefng tin t\u1eb7c, chuy\u00ean \u0103n c\u1eafp c\u00e1c th\u00f4ng tin c\u00f3 gi\u00e1 tr\u1ecb nh\u01b0 th\u00f4ng \u0111i\u1ec7p th\u01b0 \u0111i\u1ec7n t\u1eed, d\u1eef li\u1ec7u kinh doanh c\u1ee7a c\u00e1c doanh nghi\u1ec7p, c\u00e1c b\u00e1o c\u00e1o m\u1eadt t\u1eeb b\u1ea5t c\u1ee9 n\u01a1i n\u00e0o tr\u00ean m\u1ea1ng.\u00a0<\/p>\n

Xem l\u00e9n th\u01b0 t\u00edn \u0111i\u1ec7n t\u1eed c\u0169ng l\u00e0 m\u1ed9t d\u1ea1ng m\u1edbi c\u1ee7a h\u00e0nh vi tr\u1ed9m c\u1eafp th\u00f4ng tin tr\u00ean m\u1ea1ng. K\u0129 thu\u1eadt xem l\u00e9n th\u01b0 \u0111i\u1ec7n t\u1eed s\u1eed d\u1ee5ng m\u1ed9t \u0111o\u1ea1n m\u00e3 \u1ea9n b\u00ed m\u1eadt g\u1eafn v\u00e0o m\u1ed9t th\u00f4ng \u0111i\u1ec7p th\u01b0 \u0111i\u1ec7n t\u1eed, cho ph\u00e9p\u00a0ng\u01b0\u1eddi n\u00e0o \u0111\u00f3 c\u00f3 th\u1ec3 gi\u00e1m s\u00e1t to\u00e0n b\u1ed9 c\u00e1c th\u00f4ng \u0111i\u1ec7p chuy\u1ec3n ti\u1ebfp \u0111\u01b0\u1ee3c g\u1eedi \u0111i c\u00f9ng v\u1edbi th\u00f4ng \u0111i\u1ec7p ban \u0111\u1ea7u.\u00a0<\/p>\n

Ch\u1eb3ng h\u1ea1n, m\u1ed9t nh\u00e2n vi\u00ean ph\u00e1t hi\u1ec7n th\u1ea5y l\u1ed7i k\u0129 thu\u1eadt trong kh\u00e2u s\u1ea3n xu\u1ea5t, anh ta l\u1eadp t\u1ee9c g\u1eedi m\u1ed9t b\u00e1o c\u00e1o cho c\u1ea5p tr\u00ean th\u00f4ng b\u00e1o ph\u00e1t hi\u1ec7n c\u1ee7a m\u00ecnh. M\u1ed9t k\u1ebb n\u00e0o \u0111\u00f3, s\u1eed d\u1ee5ng k\u0129 thu\u1eadt xem l\u00e9n th\u01b0 \u0111i\u1ec7n t\u1eed, c\u00f3 th\u1ec3 theo d\u00f5i v\u00e0 bi\u1ebft \u0111\u01b0\u1ee3c to\u00e0n b\u1ed9 th\u00f4ng tin trong c\u00e1c b\u1ee9c th\u01b0 \u0111i\u1ec7n t\u1eed g\u1eedi ti\u1ebfp sau \u0111\u00f3 b\u00e0n v\u1ec1 v\u1ea5n \u0111\u1ec1 n\u00e0y.\u00a0<\/p>\n

V\u00e0 s\u1ebd r\u1ea5t nguy hi\u1ec3m n\u1ebfu nh\u01b0 c\u00e1c th\u00f4ng tin b\u00ed m\u1eadt trong n\u1ed9i b\u1ed9 doanh nghi\u1ec7p b\u1ecb k\u1ebb x\u1ea5u bi\u1ebft \u0111\u01b0\u1ee3c v\u00e0 s\u1eed d\u1ee5ng v\u00e0o nh\u1eefng m\u1ee5c \u0111\u00edch b\u1ea5t ch\u00ednh.<\/p>\n

K\u1ebb tr\u1ed9m tr\u00ean m\u1ea1ng (Sniffer) l\u00e0 m\u1ed9t trong nh\u1eefng r\u1ee7i ro trong Th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed c\u00f3 ngu\u1ed3n g\u1ed1c ch\u1ee7 quan.\u00a0R\u1ee7i ro c\u00f3 ngu\u1ed3n g\u1ed1c ch\u1ee7 quan ng\u00e0y c\u00e0ng ph\u1ed5 bi\u1ebfn h\u01a1n do s\u1ed1 l\u01b0\u1ee3ng ng\u01b0\u1eddi s\u1eed d\u1ee5ng Internet t\u0103ng m\u1ea1nh.<\/p>\n

– Gi\u1ea3i th\u00edch c\u00e1c thu\u1eadt ng\u1eef li\u00ean quan<\/p>\n

Th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed<\/b>\u00a0\u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 bao g\u1ed3m c\u00e1c giao d\u1ecbch th\u01b0\u01a1ng m\u1ea1i th\u00f4ng qua c\u00e1c m\u1ea1ng vi\u1ec5n th\u00f4ng v\u00e0 s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n \u0111i\u1ec7n t\u1eed. N\u00f3 bao g\u1ed3m th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed gi\u00e1n ti\u1ebfp (trao \u0111\u1ed5i h\u00e0ng ho\u00e1 h\u1eefu h\u00ecnh) v\u00e0 th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed tr\u1ef1c ti\u1ebfp (trao \u0111\u1ed5i h\u00e0ng ho\u00e1 v\u00f4 h\u00ecnh).\u00a0(Theo\u00a0Li\u00ean minh ch\u00e2u \u00c2u)<\/i><\/p>\n

(T\u00e0i li\u1ec7u tham kh\u1ea3o: B\u00e0i gi\u1ea3ng Th\u01b0\u01a1ng m\u1ea1i \u0110i\u1ec7n t\u1eed, Tr\u1ea7n C\u00f4ng Nghi\u1ec7p, 2008, NXB Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Kinh t\u1ebf v\u00e0 Qu\u1ea3n tr\u1ecb Kinh doanh)<\/i><\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

\n K\u1ebb tr\u1ed9m tr\u00ean m\u1ea1ng (ti\u1ebfng Anh: Sniffer) l\u00e0 m\u1ed9t trong nh\u1eefng r\u1ee7i ro trong Th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed c\u00f3 ngu\u1ed3n g\u1ed1c ch\u1ee7 quan.\n <\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[418],"tags":[],"_links":{"self":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/33414"}],"collection":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/comments?post=33414"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/33414\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=33414"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=33414"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=33414"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}