{"id":233,"date":"2026-01-30T05:57:47","date_gmt":"2026-01-30T05:57:47","guid":{"rendered":"https:\/\/www.nsecsoft.com\/vi\/?p=233"},"modified":"2026-01-30T05:57:47","modified_gmt":"2026-01-30T05:57:47","slug":"email-dlp-126130","status":"publish","type":"post","link":"https:\/\/www.nsecsoft.com\/vi\/default\/email-dlp-126130.html","title":{"rendered":"Ki\u1ec3m so\u00e1t & ki\u1ec3m to\u00e1n email g\u1eedi ra ngo\u00e0i: X\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng DLP c\u00f3 th\u1ec3 truy v\u1ebft"},"content":{"rendered":"
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Trong qu\u00e1 tr\u00ecnh tin h\u1ecdc ho\u00e1 v\u00e0 s\u1ed1 ho\u00e1 doanh nghi\u1ec7p kh\u00f4ng ng\u1eebng ph\u00e1t tri\u1ec3n, c\u00e1c c\u00f4ng c\u1ee5 nh\u1eafn tin t\u1ee9c th\u1eddi, n\u1ec1n t\u1ea3ng c\u1ed9ng t\u00e1c v\u00e0 d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y li\u00ean t\u1ee5c xu\u1ea5t hi\u1ec7n. Tuy nhi\u00ean, email<\/strong> v\u1eabn lu\u00f4n hi\u1ec7n di\u1ec7n l\u00e2u d\u00e0i trong c\u00e1c quy tr\u00ecnh l\u00e0m vi\u1ec7c c\u1ed1t l\u00f5i c\u1ee7a doanh nghi\u1ec7p. D\u00f9 l\u00e0 giao ti\u1ebfp \u0111\u1ed1i ngo\u1ea1i, b\u00e0n giao t\u00e0i li\u1ec7u ch\u00ednh th\u1ee9c hay trao \u0111\u1ed5i th\u00f4ng tin li\u00ean t\u1ed5 ch\u1ee9c, email v\u1eabn \u0111\u1ea3m nhi\u1ec7m vai tr\u00f2 k\u00eanh truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u \u1ed5n \u0111\u1ecbnh v\u00e0 ti\u00eau chu\u1ea9n ho\u00e1.<\/p>\n

T\u1eeb g\u00f3c nh\u00ecn s\u1eed d\u1ee5ng d\u1eef li\u1ec7u, email c\u00f3 hai \u0111\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt: th\u1ee9 nh\u1ea5t l\u00e0 ph\u1ea1m vi bao ph\u1ee7 r\u1ed9ng<\/strong>, h\u1ea7u nh\u01b0 m\u1ecdi nh\u00e2n vi\u00ean \u0111\u1ec1u s\u1eed d\u1ee5ng; th\u1ee9 hai l\u00e0 n\u1ed9i dung chuy\u00ean ch\u1edf \u0111a d\u1ea1ng<\/strong>, kh\u00f4ng ch\u1ec9 g\u1ed3m th\u00f4ng tin trong ph\u1ea7n th\u00e2n th\u01b0 m\u00e0 c\u00f2n bao g\u1ed3m nhi\u1ec1u lo\u1ea1i t\u1ec7p \u0111\u00ednh k\u00e8m. \u0110i\u1ec1u n\u00e0y khi\u1ebfn email trong v\u1eadn h\u00e0nh th\u1ef1c t\u1ebf tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng \u201cc\u1eeda tho\u00e1t\u201d ch\u00ednh \u0111\u1ec3 d\u1eef li\u1ec7u doanh nghi\u1ec7p r\u1eddi kh\u1ecfi ranh gi\u1edbi n\u1ed9i b\u1ed9<\/strong>.<\/p>\n

Trong khi \u0111\u00f3, h\u00e0nh vi g\u1eedi email th\u01b0\u1eddng \u0111\u01b0\u1ee3c xem l\u00e0 thao t\u00e1c th\u01b0\u1eddng nh\u1eadt thay v\u00ec m\u1ed9t s\u1ef1 ki\u1ec7n an ninh. Khi nh\u00e2n vi\u00ean th\u00eam t\u1ec7p \u0111\u00ednh k\u00e8m, nh\u1eadp ng\u01b0\u1eddi nh\u1eadn v\u00e0 b\u1ea5m g\u1eedi trong \u1ee9ng d\u1ee5ng email quen thu\u1ed9c, quy tr\u00ecnh n\u00e0y th\u01b0\u1eddng thi\u1ebfu c\u00e1c c\u1ea3nh b\u00e1o r\u1ee7i ro b\u1ed5 sung ho\u1eb7c r\u00e0ng bu\u1ed9c qu\u1ea3n tr\u1ecb. M\u1ed9t khi t\u1ec7p \u0111\u01b0\u1ee3c g\u1eedi th\u00e0nh c\u00f4ng, n\u0103ng l\u1ef1c ki\u1ec3m so\u00e1t c\u1ee7a doanh nghi\u1ec7p \u0111\u1ed1i v\u1edbi t\u1ec7p \u0111\u00f3 s\u1ebd gi\u1ea3m \u0111\u00e1ng k\u1ec3 ngay l\u1eadp t\u1ee9c.<\/p>\n

Trong b\u1ed1i c\u1ea3nh nh\u01b0 v\u1eady, vi\u1ec7c g\u1eedi email ra ngo\u00e0i d\u1ea7n chuy\u1ec3n t\u1eeb \u201cv\u1ea5n \u0111\u1ec1 truy\u1ec1n th\u00f4ng\u201d sang \u201cv\u1ea5n \u0111\u1ec1 qu\u1ea3n tr\u1ecb vi\u1ec7c s\u1eed d\u1ee5ng d\u1eef li\u1ec7u\u201d, tr\u1edf th\u00e0nh m\u1ed9t k\u1ecbch b\u1ea3n n\u1ec1n t\u1ea3ng kh\u00f4ng th\u1ec3 n\u00e9 tr\u00e1nh trong h\u1ec7 th\u1ed1ng ph\u00f2ng ch\u1ed1ng r\u00f2 r\u1ec9 d\u1eef li\u1ec7u (DLP).<\/p>\n

T\u00ednh b\u1ea5t \u0111\u1ecbnh t\u1ef1 nhi\u00ean trong h\u00e0nh vi g\u1eedi email ra ngo\u00e0i<\/strong><\/h4>\n

Kh\u00e1c v\u1edbi truy c\u1eadp h\u1ec7 th\u1ed1ng ho\u1eb7c ki\u1ec3m so\u00e1t quy\u1ec1n h\u1ea1n, r\u1ee7i ro c\u1ee7a vi\u1ec7c g\u1eedi email ra ngo\u00e0i kh\u00f4ng b\u1eaft ngu\u1ed3n t\u1eeb m\u1ed9t l\u1ed7 h\u1ed5ng k\u1ef9 thu\u1eadt \u0111\u01a1n l\u1ebb, m\u00e0 \u0111\u1ebfn t\u1eeb s\u1ef1 ch\u1ed3ng l\u1edbp c\u1ee7a nhi\u1ec1u y\u1ebfu t\u1ed1 b\u1ea5t \u0111\u1ecbnh. Nh\u1eefng b\u1ea5t \u0111\u1ecbnh n\u00e0y khi\u1ebfn vi\u1ec7c g\u1eedi email ra ngo\u00e0i, d\u00f9 trong \u0111i\u1ec1u ki\u1ec7n s\u1eed d\u1ee5ng h\u1ee3p l\u1ec7, v\u1eabn c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n th\u00e0nh s\u1ef1 ki\u1ec7n r\u1ee7i ro.<\/p>\n

Tr\u01b0\u1edbc h\u1ebft, h\u00e0nh vi g\u1eedi email di\u1ec5n ra v\u1edbi t\u1ea7n su\u1ea5t cao v\u00e0 th\u01b0\u1eddng r\u01a1i v\u00e0o giai \u0111o\u1ea1n cao \u0111i\u1ec3m c\u00f4ng vi\u1ec7c. Nh\u00e2n vi\u00ean ph\u1ea3i thao t\u00e1c d\u01b0\u1edbi \u00e1p l\u1ef1c th\u1eddi gian, d\u1ec5 x\u1ea3y ra nh\u1ea7m t\u1ec7p \u0111\u00ednh k\u00e8m ho\u1eb7c \u0111i\u1ec1n sai ng\u01b0\u1eddi nh\u1eadn. Th\u1ee9 hai, t\u1ec7p \u0111\u00ednh k\u00e8m c\u00f3 t\u00ednh linh ho\u1ea1t cao: c\u00f9ng m\u1ed9t \u0111\u1ecbnh d\u1ea1ng t\u1ec7p c\u00f3 th\u1ec3 ch\u1ee9a c\u00e1c m\u1ee9c \u0111\u1ed9 th\u00f4ng tin ho\u00e0n to\u00e0n kh\u00e1c nhau, v\u00ec v\u1eady m\u1ee9c \u0111\u1ed9 nh\u1ea1y c\u1ea3m kh\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 ch\u1ec9 d\u1ef1a tr\u00ean \u0111\u1eb7c \u0111i\u1ec3m b\u1ec1 m\u1eb7t.<\/p>\n

Ngo\u00e0i ra, \u0111\u1ed1i t\u01b0\u1ee3ng nh\u1eadn b\u00ean ngo\u00e0i \u0111a d\u1ea1ng: c\u00f3 th\u1ec3 l\u00e0 \u0111\u1ed1i t\u00e1c l\u00e2u d\u00e0i ho\u1eb7c li\u00ean h\u1ec7 t\u1ea1m th\u1eddi. Khi thi\u1ebfu ranh gi\u1edbi u\u1ef7 quy\u1ec1n r\u00f5 r\u00e0ng v\u00e0 c\u01a1 ch\u1ebf ghi nh\u1eadn\/\u0111\u1ed1i so\u00e1t, doanh nghi\u1ec7p r\u1ea5t kh\u00f3 duy tr\u00ec vi\u1ec7c \u0111\u00e1nh gi\u00e1 li\u00ean t\u1ee5c xem h\u00e0nh vi g\u1eedi ra ngo\u00e0i c\u00f3 ph\u00f9 h\u1ee3p y\u00eau c\u1ea7u qu\u1ea3n tr\u1ecb n\u1ed9i b\u1ed9 hay kh\u00f4ng.<\/p>\n

Trong th\u1ef1c t\u1ebf, r\u1ee7i ro g\u1eedi email ra ngo\u00e0i th\u01b0\u1eddng t\u1eadp trung \u1edf c\u00e1c kh\u00eda c\u1ea1nh sau:<\/p>\n

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    T\u1ec7p \u0111\u01b0\u1ee3c g\u1eedi t\u1edbi h\u1ed9p th\u01b0 b\u00ean ngo\u00e0i khi ch\u01b0a c\u00f3 u\u1ef7 quy\u1ec1n r\u00f5 r\u00e0ng<\/p>\n<\/li>\n

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    C\u00f9ng m\u1ed9t t\u1ec7p b\u1ecb g\u1eedi ra ngo\u00e0i l\u1eb7p l\u1ea1i, v\u01b0\u1ee3t qu\u00e1 ph\u1ea1m vi h\u1ee3p l\u00fd theo nhu c\u1ea7u nghi\u1ec7p v\u1ee5<\/p>\n<\/li>\n

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    H\u00e0nh vi g\u1eedi ra ngo\u00e0i thi\u1ebfu ghi nh\u1eadn th\u1ed1ng nh\u1ea5t, khi\u1ebfn vi\u1ec7c x\u00e1c minh sau s\u1ef1 ki\u1ec7n g\u1eb7p kh\u00f3 kh\u0103n<\/p>\n<\/li>\n<\/ul>\n

    Nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y kh\u00f4ng nh\u1ea5t thi\u1ebft xu\u1ea5t ph\u00e1t t\u1eeb vi\u1ec7c nh\u00e2n vi\u00ean c\u1ed1 \u00fd vi ph\u1ea1m, m\u00e0 ph\u1ea7n l\u1edbn l\u00e0 h\u1ec7 qu\u1ea3 c\u1ee7a thi\u1ebfu h\u1ee5t c\u01a1 ch\u1ebf qu\u1ea3n tr\u1ecb.<\/p>\n

    H\u1ea1n ch\u1ebf c\u1ee7a c\u00e1c ph\u01b0\u01a1ng th\u1ee9c qu\u1ea3n l\u00fd email truy\u1ec1n th\u1ed1ng<\/strong><\/h4>\n

    Nhi\u1ec1u doanh nghi\u1ec7p khi nh\u1eadn th\u1ea5y r\u1ee7i ro t\u1eeb vi\u1ec7c g\u1eedi email ra ngo\u00e0i th\u01b0\u1eddng c\u1ed1 g\u1eafng qu\u1ea3n l\u00fd \u1edf c\u1ea5p quy ch\u1ebf ho\u1eb7c \u1edf c\u1ea5p h\u1ec7 th\u1ed1ng email, nh\u01b0ng tr\u00ean th\u1ef1c t\u1ebf v\u1eabn g\u1eb7p nh\u1eefng h\u1ea1n ch\u1ebf r\u00f5 r\u1ec7t.<\/p>\n

    M\u1ed9t m\u1eb7t, qu\u1ea3n l\u00fd d\u1ef1a tr\u00ean quy ch\u1ebf ph\u1ee5 thu\u1ed9c r\u1ea5t l\u1edbn v\u00e0o \u00fd th\u1ee9c tu\u00e2n th\u1ee7 c\u1ee7a nh\u00e2n vi\u00ean. V\u00ed d\u1ee5 y\u00eau c\u1ea7u \u0111\u0103ng k\u00fd ho\u1eb7c xin ph\u00ea duy\u1ec7t tr\u01b0\u1edbc khi g\u1eedi email ra ngo\u00e0i, nh\u01b0ng trong m\u00f4i tr\u01b0\u1eddng nghi\u1ec7p v\u1ee5 c\u00f3 t\u1ea7n su\u1ea5t cao, c\u00e1c quy tr\u00ecnh nh\u01b0 v\u1eady kh\u00f3 duy tr\u00ec l\u00e2u d\u00e0i v\u00e0 c\u0169ng thi\u1ebfu c\u00f4ng c\u1ee5 k\u1ef9 thu\u1eadt \u0111\u1ec3 x\u00e1c th\u1ef1c hi\u1ec7u qu\u1ea3. M\u1eb7t kh\u00e1c, n\u0103ng l\u1ef1c qu\u1ea3n tr\u1ecb c\u1ee7a h\u1ec7 th\u1ed1ng email th\u01b0\u1eddng t\u1eadp trung \u1edf l\u1edbp truy\u1ec1n th\u00f4ng, nh\u01b0 ch\u00ednh s\u00e1ch g\u1eedi\/nh\u1eadn ho\u1eb7c gi\u1edbi h\u1ea1n t\u00ean mi\u1ec1n, n\u00ean kh\u00f3 \u0111i s\u00e2u v\u00e0o qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng t\u1ec7p c\u1ee5c b\u1ed9 tr\u00ean thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i.<\/p>\n

    Trong v\u1eadn h\u00e0nh th\u1ef1c t\u1ebf, c\u00e1c t\u00ecnh hu\u1ed1ng b\u1ebf t\u1eafc ph\u1ed5 bi\u1ebfn g\u1ed3m:<\/p>\n

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      Nh\u1eadt k\u00fd h\u1ec7 th\u1ed1ng email t\u00e1ch r\u1eddi v\u1edbi thao t\u00e1c t\u1ec7p tr\u00ean thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i, kh\u00f3 h\u00ecnh th\u00e0nh chu\u1ed7i h\u00e0nh vi ho\u00e0n ch\u1ec9nh<\/p>\n<\/li>\n

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      Ch\u00ednh s\u00e1ch ki\u1ec3m so\u00e1t qu\u00e1 th\u00f4, ch\u1ec9 gi\u1edbi h\u1ea1n \u201cc\u00f3 \u0111\u01b0\u1ee3c g\u1eedi hay kh\u00f4ng\u201d m\u00e0 kh\u00f4ng ph\u00e2n bi\u1ec7t \u201cg\u1eedi c\u00e1i g\u00ec\u201d<\/p>\n<\/li>\n

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      G\u1eedi email ra ngo\u00e0i t\u00e1ch r\u1eddi kh\u1ecfi c\u00e1c k\u00eanh g\u1eedi ra ngo\u00e0i kh\u00e1c, khi\u1ebfn g\u00f3c nh\u00ecn ki\u1ec3m to\u00e1n kh\u00f4ng th\u1ed1ng nh\u1ea5t<\/p>\n<\/li>\n

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      Ph\u1ee5 thu\u1ed9c qu\u00e1 m\u1ee9c v\u00e0o ch\u1eb7n\/kh\u00f3a, d\u1ec5 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn giao ti\u1ebfp nghi\u1ec7p v\u1ee5 b\u00ecnh th\u01b0\u1eddng<\/p>\n<\/li>\n

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      Khi s\u1ef1 c\u1ed1 x\u1ea3y ra, chi ph\u00ed thu th\u1eadp ch\u1ee9ng c\u1ee9 v\u00e0 ph\u00e2n t\u00edch th\u01b0\u1eddng cao<\/p>\n<\/li>\n<\/ul>\n

      Nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y khi\u1ebfn qu\u1ea3n tr\u1ecb g\u1eedi email ra ngo\u00e0i th\u01b0\u1eddng r\u01a1i v\u00e0o tr\u1ea1ng th\u00e1i \u201csi\u1ebft ch\u1eb7t ng\u1eafn h\u1ea1n, suy y\u1ebfu d\u00e0i h\u1ea1n\u201d, kh\u00f3 tr\u1edf th\u00e0nh m\u1ed9t n\u0103ng l\u1ef1c v\u1eadn h\u00e0nh \u1ed5n \u0111\u1ecbnh.<\/p>\n

      C\u00e1ch ti\u1ebfp c\u1eadn qu\u1ea3n tr\u1ecb g\u1eedi email ra ngo\u00e0i c\u1ee7a Ping32<\/strong><\/h4>\n

      Ping32 xem vi\u1ec7c g\u1eedi email ra ngo\u00e0i l\u00e0 h\u00e0nh vi s\u1eed d\u1ee5ng d\u1eef li\u1ec7u di\u1ec5n ra tr\u00ean thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i<\/strong>, thay v\u00ec m\u1ed9t s\u1ef1 ki\u1ec7n truy\u1ec1n th\u00f4ng t\u00e1ch bi\u1ec7t. T\u1eeb g\u00f3c nh\u00ecn qu\u1ea3n tr\u1ecb thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i, h\u1ec7 th\u1ed1ng li\u00ean k\u1ebft danh t\u00ednh ng\u01b0\u1eddi d\u00f9ng, \u0111\u1ed1i t\u01b0\u1ee3ng t\u1ec7p v\u00e0 thao t\u00e1c g\u1eedi email \u0111\u1ec3 x\u00e2y d\u1ef1ng chu\u1ed7i h\u00e0nh vi g\u1eedi email ra ngo\u00e0i m\u1ed9t c\u00e1ch \u0111\u1ea7y \u0111\u1ee7.<\/p>\n

      \"\"<\/p>\n

      Tr\u00ean thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i, khi ng\u01b0\u1eddi d\u00f9ng g\u1eedi email b\u1eb1ng \u1ee9ng d\u1ee5ng email, d\u00f9 l\u00e0 h\u1ed9p th\u01b0 theo giao th\u1ee9c ti\u00eau chu\u1ea9n hay h\u1ed9p th\u01b0 d\u1ef1a tr\u00ean giao th\u1ee9c m\u00e3 ho\u00e1 HTTPS\/SSL, h\u1ec7 th\u1ed1ng \u0111\u1ec1u c\u00f3 th\u1ec3 gi\u00e1m s\u00e1t v\u00e0 ghi nh\u1eadn h\u00e0nh vi g\u1eedi\/nh\u1eadn, bao g\u1ed3m ti\u00eau \u0111\u1ec1, ng\u01b0\u1eddi g\u1eedi, ng\u01b0\u1eddi nh\u1eadn, n\u1ed9i dung th\u01b0 v\u00e0 t\u1ec7p \u0111\u00ednh k\u00e8m. \u0110\u1ed1i v\u1edbi k\u1ecbch b\u1ea3n g\u1eedi t\u1ec7p \u0111\u00ednh k\u00e8m ra ngo\u00e0i, h\u1ec7 th\u1ed1ng c\u00f2n ghi nh\u1eadn ngu\u1ed3n g\u1ed1c t\u1ec7p, thu\u1ed9c t\u00ednh t\u1ec7p v\u00e0 ch\u00ednh thao t\u00e1c g\u1eedi ra ngo\u00e0i, t\u1ea1o th\u00e0nh d\u1ea5u v\u1ebft ki\u1ec3m to\u00e1n c\u00f3 th\u1ec3 tra c\u1ee9u.<\/p>\n

      Theo c\u00e1ch n\u00e0y, g\u1eedi email ra ngo\u00e0i kh\u00f4ng c\u00f2n ch\u1ec9 l\u00e0 \u201cg\u1eedi th\u00e0nh c\u00f4ng hay kh\u00f4ng\u201d, m\u00e0 tr\u1edf th\u00e0nh m\u1ed9t qu\u00e1 tr\u00ecnh c\u00f3 th\u1ec3 quan s\u00e1t v\u00e0 ph\u00e2n t\u00edch li\u00ean t\u1ee5c. Doanh nghi\u1ec7p c\u00f3 th\u1ec3 n\u1eafm r\u00f5 t\u1ec7p n\u00e0o \u0111\u01b0\u1ee3c g\u1eedi ra ngo\u00e0i qua email, do ai thao t\u00e1c, t\u1ea7n su\u1ea5t g\u1eedi ra sao, t\u1eeb \u0111\u00f3 c\u00f3 \u0111\u01b0\u1ee3c n\u1ec1n t\u1ea3ng d\u1eef li\u1ec7u ch\u00e2n th\u1ef1c v\u00e0 c\u00f3 th\u1ec3 ki\u1ec3m ch\u1ee9ng.<\/p>\n

      Tr\u00ean n\u1ec1n t\u1ea3ng n\u0103ng l\u1ef1c ki\u1ec3m to\u00e1n, Ping32 c\u00f3 th\u1ec3 li\u00ean k\u1ebft v\u1edbi c\u00f4ng c\u1ee5 ph\u00e2n t\u00edch n\u1ed9i dung nh\u1ea1y c\u1ea3m \u0111\u1ec3 nh\u1eadn di\u1ec7n th\u00f4ng tin nh\u1ea1y c\u1ea3m trong n\u1ed9i dung th\u01b0 ho\u1eb7c t\u1ec7p \u0111\u00ednh k\u00e8m. Khi n\u1ed9i dung kh\u1edbp v\u1edbi quy t\u1eafc, h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 th\u1ef1c thi theo ch\u00ednh s\u00e1ch: ghi nh\u1eadn, c\u1ea3nh b\u00e1o ho\u1eb7c ch\u1eb7n, gi\u00fap h\u00e0nh \u0111\u1ed9ng qu\u1ea3n tr\u1ecb d\u1ef1a tr\u00ean b\u1ed1i c\u1ea3nh n\u1ed9i dung v\u00e0 h\u00e0nh vi thay v\u00ec ch\u1ec9 d\u1ef1a v\u00e0o m\u1ed9t \u0111i\u1ec1u ki\u1ec7n \u0111\u01a1n l\u1ebb.<\/p>\n

      Trong to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh, nh\u00e2n vi\u00ean v\u1eabn s\u1eed d\u1ee5ng \u1ee9ng d\u1ee5ng email hi\u1ec7n c\u00f3, kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i th\u00f3i quen hay h\u1ecdc th\u00eam c\u00f4ng c\u1ee5 m\u1edbi, t\u1eeb \u0111\u00f3 gi\u1ea3m chi ph\u00ed tri\u1ec3n khai v\u00e0 chi ph\u00ed th\u1ef1c thi.<\/p>\n

      C\u00e2n b\u1eb1ng gi\u1eefa qu\u1ea3n tr\u1ecb v\u00e0 hi\u1ec7u qu\u1ea3 c\u00f4ng vi\u1ec7c trong g\u1eedi email ra ngo\u00e0i<\/strong><\/h4>\n

      Tr\u1ecdng t\u00e2m c\u1ee7a ki\u1ec3m so\u00e1t g\u1eedi email ra ngo\u00e0i kh\u00f4ng n\u1eb1m \u1edf vi\u1ec7c \u201cc\u00f3 ch\u1eb7n \u0111\u01b0\u1ee3c hay kh\u00f4ng\u201d, m\u00e0 n\u1eb1m \u1edf vi\u1ec7c \u201cch\u00ednh s\u00e1ch c\u00f3 ph\u00f9 h\u1ee3p th\u1ef1c t\u1ebf nghi\u1ec7p v\u1ee5 hay kh\u00f4ng\u201d. Ping32 nh\u1ea5n m\u1ea1nh thi\u1ebft k\u1ebf ch\u00ednh s\u00e1ch theo h\u01b0\u1edbng ph\u00e2n l\u1edbp v\u00e0 c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh, tr\u00e1nh x\u1eed l\u00fd c\u00e1c k\u1ecbch b\u1ea3n ph\u1ee9c t\u1ea1p b\u1eb1ng c\u00e1ch \u0111\u01a1n gi\u1ea3n ho\u00e1 qu\u00e1 m\u1ee9c.<\/p>\n

      Trong \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf, kh\u00f4ng ph\u1ea3i m\u1ecdi t\u1ec7p \u0111\u00ednh k\u00e8m \u0111\u1ec1u c\u1ea7n m\u1ee9c qu\u1ea3n tr\u1ecb nh\u01b0 nhau. V\u1edbi t\u00e0i li\u1ec7u nghi\u1ec7p v\u1ee5 th\u00f4ng th\u01b0\u1eddng, c\u00f3 th\u1ec3 \u01b0u ti\u00ean ki\u1ec3m to\u00e1n v\u00e0 l\u01b0u v\u1ebft; v\u1edbi t\u1ec7p ch\u1ee9a th\u00f4ng tin nh\u1ea1y c\u1ea3m ho\u1eb7c c\u00f3 d\u1ea5u hi\u1ec7u b\u1ea5t th\u01b0\u1eddng, c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng bi\u1ec7n ph\u00e1p ki\u1ec3m so\u00e1t r\u00f5 r\u00e0ng h\u01a1n. Ch\u00ednh s\u00e1ch c\u00f3 th\u1ec3 c\u1ea5u h\u00ecnh linh ho\u1ea1t theo ng\u01b0\u1eddi g\u1eedi, ng\u01b0\u1eddi nh\u1eadn, lo\u1ea1i t\u1ec7p, k\u00edch th\u01b0\u1edbc t\u1ec7p\u2026 thay v\u00ec ch\u1ec9 d\u1ef1a v\u00e0o \u0111\u1ecba ch\u1ec9 email ho\u1eb7c t\u00ean mi\u1ec1n.<\/p>\n

      Khi b\u1eadt ki\u1ec3m so\u00e1t g\u1eedi t\u1ec7p ra ngo\u00e0i, doanh nghi\u1ec7p c\u00f3 th\u1ec3 qu\u1ea3n tr\u1ecb t\u1ec7p ch\u1ec9 \u0111\u1ecbnh th\u00f4ng qua c\u01a1 ch\u1ebf ph\u00ea duy\u1ec7t. Sau khi thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i g\u1eedi y\u00eau c\u1ea7u g\u1eedi ra ngo\u00e0i, ph\u1ea3i \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t m\u1edbi c\u00f3 th\u1ec3 g\u1eedi. H\u1ec7 th\u1ed1ng c\u0169ng h\u1ed7 tr\u1ee3 ghi nh\u1eadn tr\u1ea1ng th\u00e1i xem x\u00e9t c\u1ee7a ng\u01b0\u1eddi ph\u00ea duy\u1ec7t \u0111\u1ed1i v\u1edbi t\u1ec7p g\u1eedi ra ngo\u00e0i (c\u00f3 xem hay kh\u00f4ng, th\u1eddi \u0111i\u1ec3m xem), qua \u0111\u00f3 t\u0103ng t\u00ednh minh b\u1ea1ch c\u1ee7a quy tr\u00ecnh v\u00e0 kh\u1ea3 n\u0103ng truy v\u1ebft tr\u00e1ch nhi\u1ec7m.<\/p>\n

      \u0110\u1ed3ng th\u1eddi, Ping32 c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p n\u0103ng l\u1ef1c truy v\u1ebft r\u00f2 r\u1ec9 \u0111\u1ec3 ghi nh\u1eadn v\u00e0 sao l\u01b0u th\u1ed1ng nh\u1ea5t c\u00e1c t\u1ec7p \u0111\u01b0\u1ee3c g\u1eedi ra ngo\u00e0i qua email, \u0111\u1ed3ng th\u1eddi \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 r\u1ee7i ro c\u1ee7a h\u00e0nh vi g\u1eedi ra ngo\u00e0i. H\u1ec7 th\u1ed1ng h\u1ed7 tr\u1ee3 ph\u00e1t hi\u1ec7n thao t\u00e1c b\u1ea5t th\u01b0\u1eddng d\u1ef1a tr\u00ean kho\u1ea3ng th\u1eddi gian, ng\u01b0\u1ee1ng s\u1ed1 l\u01b0\u1ee3ng\u2026 v\u00e0 th\u1ef1c thi ki\u1ec3m to\u00e1n, c\u1ea3nh b\u00e1o ho\u1eb7c nh\u1eafc nh\u1edf \u0111\u1ed1i v\u1edbi t\u1ec7p c\u00f3 n\u1ed9i dung nh\u1ea1y c\u1ea3m.<\/p>\n

      Nh\u1edd c\u00e1c c\u01a1 ch\u1ebf tr\u00ean, qu\u1ea3n tr\u1ecb g\u1eedi email ra ngo\u00e0i c\u00f3 th\u1ec3 ti\u1ebfn ho\u00e1 t\u1eeb \u201ccho ph\u00e9p ho\u1eb7c c\u1ea5m\u201d \u0111\u01a1n thu\u1ea7n th\u00e0nh quy tr\u00ecnh qu\u1ea3n tr\u1ecb tinh vi xoay quanh nh\u1eadn di\u1ec7n h\u00e0nh vi, ph\u00e2n t\u00edch n\u1ed9i dung, ki\u1ec3m so\u00e1t ch\u00ednh s\u00e1ch v\u00e0 truy v\u1ebft r\u1ee7i ro, gi\u00fap doanh nghi\u1ec7p ki\u1ec3m so\u00e1t r\u1ee7i ro \u0111\u1ed3ng th\u1eddi duy tr\u00ec t\u00ednh li\u00ean t\u1ee5c c\u1ee7a c\u00f4ng vi\u1ec7c th\u01b0\u1eddng ng\u00e0y.<\/p>\n

      L\u1ed9 tr\u00ecnh tri\u1ec3n khai theo h\u01b0\u1edbng t\u0103ng d\u1ea7n xung quanh g\u1eedi email ra ngo\u00e0i<\/strong><\/h4>\n

      Khi tri\u1ec3n khai ch\u1ee9c n\u0103ng ki\u1ec3m so\u00e1t g\u1eedi email ra ngo\u00e0i trong th\u1ef1c t\u1ebf, Ping32 ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi c\u00e1ch ti\u1ebfp c\u1eadn t\u1eebng b\u01b0\u1edbc, \u0111\u1ec3 n\u0103ng l\u1ef1c qu\u1ea3n tr\u1ecb \u201ch\u00f2a nh\u1eadp\u201d t\u1ef1 nhi\u00ean v\u00e0o m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c hi\u1ec7n c\u00f3:<\/p>\n

        \n
      • \n

        Ki\u1ec3m to\u00e1n h\u00e0nh vi g\u1eedi email ra ngo\u00e0i: ghi nh\u1eadn th\u1ef1c t\u1ebf g\u1eedi \u0111\u1ec3 h\u00ecnh th\u00e0nh d\u1eef li\u1ec7u n\u1ec1n<\/p>\n<\/li>\n

      • \n

        Nh\u1eadn di\u1ec7n m\u00f4 h\u00ecnh b\u1ea5t th\u01b0\u1eddng ho\u1eb7c r\u1ee7i ro cao: d\u1ef1a tr\u00ean t\u1ea7n su\u1ea5t ho\u1eb7c ph\u00e2n t\u00edch \u0111\u1eb7c tr\u01b0ng t\u1ec7p\u2026<\/p>\n<\/li>\n

      • \n

        \u00c1p d\u1ee5ng ch\u00ednh s\u00e1ch c\u00f3 m\u1ee5c ti\u00eau: b\u1eadt nh\u1eafc nh\u1edf ho\u1eb7c ph\u00ea duy\u1ec7t cho c\u00e1c k\u1ecbch b\u1ea3n then ch\u1ed1t<\/p>\n<\/li>\n

      • \n

        \u0110\u00e1nh gi\u00e1 v\u00e0 t\u1ed1i \u01b0u li\u00ean t\u1ee5c: \u0111i\u1ec1u ch\u1ec9nh ranh gi\u1edbi qu\u1ea3n tr\u1ecb theo k\u1ebft qu\u1ea3 ki\u1ec3m to\u00e1n<\/p>\n<\/li>\n<\/ul>\n

        Qu\u00e1 tr\u00ecnh n\u00e0y nh\u1ea5n m\u1ea1nh t\u0103ng c\u01b0\u1eddng t\u1eebng b\u01b0\u1edbc, thay v\u00ec ph\u1ee7 to\u00e0n b\u1ed9 m\u1ecdi r\u1ee7i ro ngay l\u1eadp t\u1ee9c.<\/p>\n

        Bi\u1ebfn g\u1eedi email ra ngo\u00e0i th\u00e0nh m\u1ed9t ph\u1ea7n c\u1ee7a qu\u1ea3n tr\u1ecb b\u1ec1n v\u1eefng<\/strong><\/h4>\n

        Email l\u00e0 c\u00f4ng c\u1ee5 l\u00e0m vi\u1ec7c t\u1ed3n t\u1ea1i l\u00e2u d\u00e0i; gi\u00e1 tr\u1ecb c\u1ee7a n\u00f3 n\u1eb1m \u1edf s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u00e0 t\u00ednh ph\u1ed5 bi\u1ebfn. Nh\u01b0ng c\u0169ng ch\u00ednh v\u00ec v\u1eady, qu\u1ea3n tr\u1ecb g\u1eedi email ra ngo\u00e0i kh\u00f4ng n\u00ean d\u1ef1a v\u00e0o c\u00e1c bi\u1ec7n ph\u00e1p t\u1ea1m th\u1eddi. C\u00e1ch l\u00e0m hi\u1ec7u qu\u1ea3 l\u00e0 \u0111\u01b0a g\u1eedi email ra ngo\u00e0i v\u00e0o h\u1ec7 th\u1ed1ng qu\u1ea3n tr\u1ecb thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i v\u00e0 DLP h\u1eb1ng ng\u00e0y, bi\u1ebfn n\u00f3 th\u00e0nh m\u1ed9t n\u0103ng l\u1ef1c c\u00f3 th\u1ec3 v\u1eadn h\u00e0nh b\u1ec1n v\u1eefng.<\/p>\n

        Ping32 th\u00f4ng qua c\u01a1 ch\u1ebf ki\u1ec3m to\u00e1n v\u00e0 ki\u1ec3m so\u00e1t g\u1eedi email ra ngo\u00e0i \u1edf ph\u00eda thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i, gi\u00fap doanh nghi\u1ec7p d\u1ea7n thi\u1ebft l\u1eadp ranh gi\u1edbi s\u1eed d\u1ee5ng d\u1eef li\u1ec7u r\u00f5 r\u00e0ng m\u00e0 kh\u00f4ng thay \u0111\u1ed5i th\u00f3i quen c\u1ee7a nh\u00e2n vi\u00ean. C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y kh\u00f4ng theo \u0111u\u1ed5i vi\u1ec7c bao ph\u1ee7 m\u1ecdi r\u1ee7i ro ngay m\u1ed9t l\u1ea7n, m\u00e0 nh\u1ea5n m\u1ea1nh t\u00ednh kh\u1ea3 thi d\u00e0i h\u1ea1n v\u00e0 t\u1ed1i \u01b0u li\u00ean t\u1ee5c.<\/p>\n

        FAQ<\/strong><\/h4>\n
          \n
        1. \n

          Ki\u1ec3m so\u00e1t g\u1eedi email ra ngo\u00e0i c\u00f3 l\u00e0m thay \u0111\u1ed5i c\u00e1ch nh\u00e2n vi\u00ean s\u1eed d\u1ee5ng email nh\u01b0 tr\u01b0\u1edbc kh\u00f4ng?<\/strong>
          Kh\u00f4ng. C\u00e1ch qu\u1ea3n tr\u1ecb \u1edf ph\u00eda thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i c\u00f3 th\u1ec3 v\u1eadn h\u00e0nh m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i quy tr\u00ecnh thao t\u00e1c c\u1ee7a \u1ee9ng d\u1ee5ng email.<\/p>\n<\/li>\n

        2. \n

          Ki\u1ec3m to\u00e1n g\u1eedi email ra ngo\u00e0i ch\u1ee7 y\u1ebfu ghi nh\u1eadn nh\u1eefng n\u1ed9i dung g\u00ec?<\/strong>
          Th\u01b0\u1eddng bao g\u1ed3m th\u1eddi \u0111i\u1ec3m g\u1eedi, thi\u1ebft b\u1ecb, ng\u01b0\u1eddi d\u00f9ng, t\u1ec7p \u0111\u00ednh k\u00e8m v\u00e0 h\u00e0nh vi g\u1eedi ra ngo\u00e0i t\u01b0\u01a1ng \u1ee9ng.<\/p>\n<\/li>\n

        3. \n

          C\u00f3 th\u1ec3 ch\u1ec9 \u00e1p d\u1ee5ng ch\u00ednh s\u00e1ch ki\u1ec3m so\u00e1t cho m\u1ed9t ph\u1ea7n t\u1ec7p \u0111\u00ednh k\u00e8m kh\u00f4ng?<\/strong>
          C\u00f3. Ch\u00ednh s\u00e1ch c\u00f3 th\u1ec3 c\u1ea5u h\u00ecnh theo lo\u1ea1i t\u1ec7p, thu\u1ed9c t\u00ednh ho\u1eb7c b\u1ed1i c\u1ea3nh s\u1eed d\u1ee5ng.<\/p>\n<\/li>\n

        4. \n

          B\u1ea3n ghi g\u1eedi ra ngo\u00e0i c\u00f3 th\u1ec3 d\u00f9ng cho ki\u1ec3m to\u00e1n sau s\u1ef1 ki\u1ec7n v\u00e0 truy v\u1ebft tr\u00e1ch nhi\u1ec7m kh\u00f4ng?<\/strong>
          C\u00f3. D\u1ea5u v\u1ebft ki\u1ec3m to\u00e1n c\u00f3 th\u1ec3 gi\u00fap kh\u00f4i ph\u1ee5c qu\u00e1 tr\u00ecnh g\u1eedi ra ngo\u00e0i, h\u1ed7 tr\u1ee3 ki\u1ec3m tra v\u00e0 x\u00e1c \u0111\u1ecbnh tr\u00e1ch nhi\u1ec7m v\u1ec1 sau.<\/p>\n<\/li>\n

        5. \n

          Ki\u1ec3m so\u00e1t g\u1eedi email ra ngo\u00e0i ch\u1ec9 \u00e1p d\u1ee5ng cho g\u1eedi ra b\u00ean ngo\u00e0i kh\u00f4ng?<\/strong>
          Kh\u00f4ng ch\u1ec9 gi\u1edbi h\u1ea1n \u1edf g\u1eedi ra b\u00ean ngo\u00e0i. Trao \u0111\u1ed5i email li\u00ean ph\u00f2ng ban, li\u00ean t\u1ed5 ch\u1ee9c c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o m\u1ed9t g\u00f3c nh\u00ecn qu\u1ea3n tr\u1ecb th\u1ed1ng nh\u1ea5t, gi\u00fap doanh nghi\u1ec7p l\u00e0m r\u00f5 ranh gi\u1edbi lu\u00e2n chuy\u1ec3n d\u1eef li\u1ec7u.<\/p>\n<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

          <\/div>\n<\/div>\n<\/div>\n<\/article>\n","protected":false},"excerpt":{"rendered":"

          Trong qu\u00e1 tr\u00ecnh tin h\u1ecdc ho\u00e1 v\u00e0 s\u1ed1 ho\u00e1 doanh nghi\u1ec7p kh\u00f4ng ng\u1eebng ph\u00e1t tri\u1ec3n, c\u00e1c c\u00f4ng c\u1ee5 nh\u1eafn tin t\u1ee9c th\u1eddi, n\u1ec1n t\u1ea3ng c\u1ed9ng t\u00e1c v\u00e0 d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y li\u00ean t\u1ee5c xu\u1ea5t hi\u1ec7n. Tuy nhi\u00ean, email v\u1eabn lu\u00f4n hi\u1ec7n di\u1ec7n l\u00e2u d\u00e0i trong c\u00e1c quy tr\u00ecnh l\u00e0m vi\u1ec7c c\u1ed1t l\u00f5i c\u1ee7a doanh nghi\u1ec7p. […]<\/p>\n","protected":false},"author":3,"featured_media":234,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-233","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-default"],"_links":{"self":[{"href":"https:\/\/www.nsecsoft.com\/vi\/wp-json\/wp\/v2\/posts\/233","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nsecsoft.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nsecsoft.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nsecsoft.com\/vi\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nsecsoft.com\/vi\/wp-json\/wp\/v2\/comments?post=233"}],"version-history":[{"count":1,"href":"https:\/\/www.nsecsoft.com\/vi\/wp-json\/wp\/v2\/posts\/233\/revisions"}],"predecessor-version":[{"id":235,"href":"https:\/\/www.nsecsoft.com\/vi\/wp-json\/wp\/v2\/posts\/233\/revisions\/235"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nsecsoft.com\/vi\/wp-json\/wp\/v2\/media\/234"}],"wp:attachment":[{"href":"https:\/\/www.nsecsoft.com\/vi\/wp-json\/wp\/v2\/media?parent=233"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nsecsoft.com\/vi\/wp-json\/wp\/v2\/categories?post=233"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nsecsoft.com\/vi\/wp-json\/wp\/v2\/tags?post=233"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}