{"id":2366,"date":"2025-09-23T08:30:00","date_gmt":"2025-09-23T01:30:00","guid":{"rendered":"https:\/\/idc.metaserv.vn\/?p=2366"},"modified":"2025-09-11T17:31:28","modified_gmt":"2025-09-11T10:31:28","slug":"bao-mat-email-cho-doanh-nghiep","status":"publish","type":"post","link":"https:\/\/idc.metaserv.vn\/en\/2025\/09\/23\/bao-mat-email-cho-doanh-nghiep\/","title":{"rendered":"B\u1ea3o M\u1eadt Email To\u00e0n Di\u1ec7n: H\u01b0\u1edbng D\u1eabn Chi Ti\u1ebft \u0110\u1ec3 B\u1ea3o V\u1ec7 D\u1eef Li\u1ec7u Doanh Nghi\u1ec7p C\u1ee7a B\u1ea1n"},"content":{"rendered":"<p>Email kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 giao ti\u1ebfp m\u00e0 c\u00f2n l\u00e0 huy\u1ebft m\u1ea1ch c\u1ee7a m\u1ecdi ho\u1ea1t \u0111\u1ed9ng. N\u00f3 l\u00e0 n\u01a1i l\u01b0u tr\u1eef h\u00e0ng lo\u1ea1t th\u00f4ng tin nh\u1ea1y c\u1ea3m, t\u1eeb h\u1ee3p \u0111\u1ed3ng kinh doanh, d\u1eef li\u1ec7u t\u00e0i ch\u00ednh, cho \u0111\u1ebfn th\u00f4ng tin c\u00e1 nh\u00e2n c\u1ee7a kh\u00e1ch h\u00e0ng v\u00e0 \u0111\u1ed1i t\u00e1c. Ch\u00ednh v\u00ec s\u1ef1 ti\u1ec7n l\u1ee3i v\u00e0 vai tr\u00f2 trung t\u00e2m n\u00e0y, email \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ee5c ti\u00eau h\u00e0ng \u0111\u1ea7u c\u1ee7a c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng m\u1ea1ng. Theo b\u00e1o c\u00e1o \u201cState of Human Risk 2025\u201d c\u1ee7a Mimecast, email v\u1eabn l\u00e0 con \u0111\u01b0\u1eddng b\u1ecb khai th\u00e1c nhi\u1ec1u nh\u1ea5t b\u1edfi tin t\u1eb7c, v\u00e0 \u0111\u00e1ng b\u00e1o \u0111\u1ed9ng l\u00e0 95% c\u00e1c v\u1ee5 vi ph\u1ea1m d\u1eef li\u1ec7u \u0111\u1ec1u c\u00f3 nguy\u00ean nh\u00e2n t\u1eeb l\u1ed7i c\u1ee7a con ng\u01b0\u1eddi. Con s\u1ed1 n\u00e0y nh\u1ea5n m\u1ea1nh m\u1ed9t s\u1ef1 th\u1eadt r\u00f5 r\u00e0ng: vi\u1ec7c l\u01a1 l\u00e0 <strong>b\u1ea3o m\u1eadt email<\/strong> c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn nh\u1eefng thi\u1ec7t h\u1ea1i kh\u00f4n l\u01b0\u1eddng v\u1ec1 t\u00e0i ch\u00ednh, ph\u00e1p l\u00fd v\u00e0 uy t\u00edn. \u0110\u1ec3 ch\u1ed1ng l\u1ea1i c\u00e1c m\u1ed1i \u0111e d\u1ecda ng\u00e0y c\u00e0ng tinh vi, doanh nghi\u1ec7p c\u1ea7n m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c <strong>b\u1ea3o m\u1eadt email<\/strong> to\u00e0n di\u1ec7n, k\u1ebft h\u1ee3p ch\u1eb7t ch\u1ebd gi\u1eefa c\u00f4ng ngh\u1ec7, ch\u00ednh s\u00e1ch v\u00e0 y\u1ebfu t\u1ed1 con ng\u01b0\u1eddi.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1000\" height=\"684\" src=\"https:\/\/idc.metaserv.vn\/wp-content\/uploads\/2025\/09\/bao-mat-email.jpg\" alt=\"\" class=\"wp-image-2367\" srcset=\"https:\/\/idc.metaserv.vn\/wp-content\/uploads\/2025\/09\/bao-mat-email.jpg 1000w, https:\/\/idc.metaserv.vn\/wp-content\/uploads\/2025\/09\/bao-mat-email-300x205.jpg 300w, https:\/\/idc.metaserv.vn\/wp-content\/uploads\/2025\/09\/bao-mat-email-768x525.jpg 768w, https:\/\/idc.metaserv.vn\/wp-content\/uploads\/2025\/09\/bao-mat-email-18x12.jpg 18w, https:\/\/idc.metaserv.vn\/wp-content\/uploads\/2025\/09\/bao-mat-email-600x410.jpg 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>1. B\u1ea3o M\u1eadt Email: N\u1ec1n T\u1ea3ng Cho Ho\u1ea1t \u0110\u1ed9ng Kinh Doanh<\/strong><\/h2>\n\n\n\n<p>T\u1ea7m quan tr\u1ecdng c\u1ee7a <strong>b\u1ea3o m\u1eadt email<\/strong> kh\u00f4ng ch\u1ec9 d\u1eebng l\u1ea1i \u1edf vi\u1ec7c b\u1ea3o v\u1ec7 th\u00f4ng tin c\u00e1 nh\u00e2n m\u00e0 c\u00f2n l\u00e0 x\u01b0\u01a1ng s\u1ed1ng c\u1ee7a an ninh m\u1ea1ng doanh nghi\u1ec7p. M\u1ed9t email b\u1ecb x\u00e2m nh\u1eadp c\u00f3 th\u1ec3 m\u1edf ra c\u00e1nh c\u1eeda cho h\u00e0ng lo\u1ea1t m\u1ed1i \u0111e d\u1ecda, g\u00e2y t\u1ed5n th\u1ea5t nghi\u00eam tr\u1ecdng cho to\u00e0n b\u1ed9 t\u1ed5 ch\u1ee9c.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>R\u1ee7i ro t\u00e0i ch\u00ednh:<\/strong> C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng nh\u01b0 BEC (Business Email Compromise) c\u00f3 th\u1ec3 l\u1eeba nh\u00e2n vi\u00ean chuy\u1ec3n h\u00e0ng tri\u1ec7u \u0111\u00f4 la v\u00e0o t\u00e0i kho\u1ea3n c\u1ee7a k\u1ebb l\u1eeba \u0111\u1ea3o. Ngo\u00e0i ra, vi\u1ec7c l\u1ed9 th\u00f4ng tin t\u00e0i ch\u00ednh qua email c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c v\u1ee5 gian l\u1eadn th\u1ebb t\u00edn d\u1ee5ng ho\u1eb7c chi\u1ebfm \u0111o\u1ea1t t\u00e0i s\u1ea3n.<\/li>\n\n\n\n<li><strong>Thi\u1ec7t h\u1ea1i v\u1ec1 uy t\u00edn v\u00e0 l\u00f2ng tin:<\/strong> M\u1ed9t v\u1ee5 vi ph\u1ea1m d\u1eef li\u1ec7u c\u00f3 th\u1ec3 l\u00e0m l\u1ed9 th\u00f4ng tin b\u00ed m\u1eadt c\u1ee7a kh\u00e1ch h\u00e0ng v\u00e0 \u0111\u1ed1i t\u00e1c. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 g\u00e2y ra c\u00e1c kho\u1ea3n ph\u1ea1t ph\u00e1p l\u00fd m\u00e0 c\u00f2n l\u00e0m s\u1ee5p \u0111\u1ed5 l\u00f2ng tin m\u00e0 doanh nghi\u1ec7p \u0111\u00e3 x\u00e2y d\u1ef1ng trong nhi\u1ec1u n\u0103m.<\/li>\n\n\n\n<li><strong>Nguy c\u01a1 ph\u00e1p l\u00fd:<\/strong> T\u00f9y thu\u1ed9c v\u00e0o ng\u00e0nh ngh\u1ec1, vi\u1ec7c kh\u00f4ng tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh v\u1ec1 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u (nh\u01b0 GDPR, HIPAA) do r\u00f2 r\u1ec9 email c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c v\u1ee5 ki\u1ec7n t\u1ee5ng v\u00e0 ti\u1ec1n ph\u1ea1t n\u1eb7ng n\u1ec1.<\/li>\n\n\n\n<li><strong>M\u1ea5t m\u00e1t d\u1eef li\u1ec7u v\u00e0 gi\u00e1n \u0111o\u1ea1n ho\u1ea1t \u0111\u1ed9ng:<\/strong> C\u00e1c t\u1ec7p \u0111\u00ednh k\u00e8m \u0111\u1ed9c h\u1ea1i c\u00f3 th\u1ec3 ch\u1ee9a m\u00e3 \u0111\u1ed9c t\u1ed1ng ti\u1ec1n (ransomware), l\u00e0m t\u00ea li\u1ec7t to\u00e0n b\u1ed9 m\u1ea1ng l\u01b0\u1edbi, kh\u00f3a c\u00e1c t\u1ec7p quan tr\u1ecdng v\u00e0 bu\u1ed9c doanh nghi\u1ec7p ph\u1ea3i tr\u1ea3 ti\u1ec1n chu\u1ed9c \u0111\u1ec3 l\u1ea5y l\u1ea1i quy\u1ec1n truy c\u1eadp.<\/li>\n<\/ul>\n\n\n\n<p>T\u1ea5t c\u1ea3 nh\u1eefng r\u1ee7i ro n\u00e0y cho th\u1ea5y <strong>b\u1ea3o m\u1eadt email<\/strong> l\u00e0 m\u1ed9t kho\u1ea3n \u0111\u1ea7u t\u01b0 kh\u00f4ng th\u1ec3 thi\u1ebfu, gi\u00fap doanh nghi\u1ec7p b\u1ea3o v\u1ec7 t\u00e0i s\u1ea3n, duy tr\u00ec ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c v\u00e0 x\u00e2y d\u1ef1ng m\u1ed9t n\u1ec1n t\u1ea3ng v\u1eefng ch\u1eafc cho s\u1ef1 ph\u00e1t tri\u1ec3n b\u1ec1n v\u1eefng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2. Ba Tr\u1ee5 C\u1ed9t Quan Tr\u1ecdng \u0110\u1ec3 B\u1ea3o M\u1eadt Email<\/strong><\/h2>\n\n\n\n<p>\u0110\u1ec3 x\u00e2y d\u1ef1ng m\u1ed9t h\u1ec7 th\u1ed1ng <strong>b\u1ea3o m\u1eadt email<\/strong> v\u1eefng ch\u1eafc, doanh nghi\u1ec7p c\u1ea7n t\u1eadp trung v\u00e0o ba tr\u1ee5 c\u1ed9t ch\u00ednh: qu\u1ea3n l\u00fd m\u1eadt kh\u1ea9u, m\u00e3 h\u00f3a email v\u00e0 c\u00e1c ch\u00ednh s\u00e1ch b\u1ea3o m\u1eadt r\u00f5 r\u00e0ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Qu\u1ea3n L\u00fd M\u1eadt Kh\u1ea9u Ch\u1eb7t Ch\u1ebd<\/strong><\/h3>\n\n\n\n<p>M\u1eadt kh\u1ea9u l\u00e0 tuy\u1ebfn ph\u00f2ng th\u1ee7 \u0111\u1ea7u ti\u00ean. M\u1ed9t m\u1eadt kh\u1ea9u y\u1ebfu l\u00e0 l\u1eddi m\u1eddi g\u1ecdi tr\u1ef1c ti\u1ebfp cho tin t\u1eb7c. C\u00e1c bi\u1ec7n ph\u00e1p qu\u1ea3n l\u00fd m\u1eadt kh\u1ea9u hi\u1ec7u qu\u1ea3 bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>M\u1eadt kh\u1ea9u ph\u1ee9c t\u1ea1p:<\/strong> \u0110\u1eb7t ra y\u00eau c\u1ea7u m\u1eadt kh\u1ea9u ph\u1ea3i bao g\u1ed3m ch\u1eef hoa, ch\u1eef th\u01b0\u1eddng, s\u1ed1 v\u00e0 k\u00fd t\u1ef1 \u0111\u1eb7c bi\u1ec7t, c\u00f3 \u0111\u1ed9 d\u00e0i t\u1ed1i thi\u1ec3u t\u1eeb 12-16 k\u00fd t\u1ef1.<\/li>\n\n\n\n<li><strong>X\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 (2FA\/MFA):<\/strong> \u0110\u00e2y l\u00e0 l\u1edbp b\u1ea3o v\u1ec7 kh\u00f4ng th\u1ec3 thi\u1ebfu. Ngay c\u1ea3 khi m\u1eadt kh\u1ea9u b\u1ecb l\u1ed9, tin t\u1eb7c v\u1eabn kh\u00f4ng th\u1ec3 truy c\u1eadp n\u1ebfu kh\u00f4ng c\u00f3 m\u00e3 x\u00e1c th\u1ef1c t\u1eeb \u0111i\u1ec7n tho\u1ea1i ho\u1eb7c \u1ee9ng d\u1ee5ng x\u00e1c th\u1ef1c.<\/li>\n\n\n\n<li><strong>S\u1eed d\u1ee5ng tr\u00ecnh qu\u1ea3n l\u00fd m\u1eadt kh\u1ea9u:<\/strong> Khuy\u1ebfn kh\u00edch nh\u00e2n vi\u00ean s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 qu\u1ea3n l\u00fd m\u1eadt kh\u1ea9u chuy\u00ean d\u1ee5ng \u0111\u1ec3 t\u1ea1o v\u00e0 l\u01b0u tr\u1eef m\u1eadt kh\u1ea9u m\u1ea1nh, duy nh\u1ea5t cho m\u1ed7i t\u00e0i kho\u1ea3n, lo\u1ea1i b\u1ecf r\u1ee7i ro t\u00e1i s\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1000\" height=\"667\" src=\"https:\/\/idc.metaserv.vn\/wp-content\/uploads\/2025\/09\/bao-mat-email-4.jpg\" alt=\"\" class=\"wp-image-2368\" srcset=\"https:\/\/idc.metaserv.vn\/wp-content\/uploads\/2025\/09\/bao-mat-email-4.jpg 1000w, https:\/\/idc.metaserv.vn\/wp-content\/uploads\/2025\/09\/bao-mat-email-4-300x200.jpg 300w, https:\/\/idc.metaserv.vn\/wp-content\/uploads\/2025\/09\/bao-mat-email-4-768x512.jpg 768w, https:\/\/idc.metaserv.vn\/wp-content\/uploads\/2025\/09\/bao-mat-email-4-18x12.jpg 18w, https:\/\/idc.metaserv.vn\/wp-content\/uploads\/2025\/09\/bao-mat-email-4-360x240.jpg 360w, https:\/\/idc.metaserv.vn\/wp-content\/uploads\/2025\/09\/bao-mat-email-4-600x400.jpg 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>M\u00e3 H\u00f3a Email (Email Encryption)<\/strong><\/h3>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c th\u00f4ng tin c\u1ef1c k\u1ef3 nh\u1ea1y c\u1ea3m, <strong>m\u00e3 h\u00f3a email<\/strong> l\u00e0 gi\u1ea3i ph\u00e1p b\u1eaft bu\u1ed9c. M\u00e3 h\u00f3a \u0111\u1ea3m b\u1ea3o r\u1eb1ng n\u1ed9i dung email \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 ngay c\u1ea3 khi n\u00f3 b\u1ecb ch\u1eb7n tr\u00ean \u0111\u01b0\u1eddng truy\u1ec1n, ch\u1ec9 ng\u01b0\u1eddi nh\u1eadn \u0111\u01b0\u1ee3c \u1ee7y quy\u1ec1n m\u1edbi c\u00f3 th\u1ec3 \u0111\u1ecdc \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Nguy\u00ean t\u1eafc ho\u1ea1t \u0111\u1ed9ng:<\/strong> <strong>M\u00e3 h\u00f3a email<\/strong> s\u1eed d\u1ee5ng c\u00e1c thu\u1eadt to\u00e1n \u0111\u1ec3 bi\u1ebfn th\u00f4ng tin th\u00e0nh m\u1ed9t chu\u1ed7i k\u00fd t\u1ef1 kh\u00f4ng th\u1ec3 \u0111\u1ecdc \u0111\u01b0\u1ee3c. Ch\u1ec9 ng\u01b0\u1eddi c\u00f3 kh\u00f3a gi\u1ea3i m\u00e3 ph\u00f9 h\u1ee3p m\u1edbi c\u00f3 th\u1ec3 chuy\u1ec3n \u0111\u1ed5i n\u00f3 tr\u1edf l\u1ea1i d\u1ea1ng ban \u0111\u1ea7u.<\/li>\n\n\n\n<li><strong>Khi n\u00e0o c\u1ea7n m\u00e3 h\u00f3a:<\/strong> Doanh nghi\u1ec7p n\u00ean s\u1eed d\u1ee5ng m\u00e3 h\u00f3a khi g\u1eedi c\u00e1c t\u00e0i li\u1ec7u m\u1eadt, b\u00e1o c\u00e1o t\u00e0i ch\u00ednh, th\u00f4ng tin c\u00e1 nh\u00e2n c\u1ee7a kh\u00e1ch h\u00e0ng (PII) ho\u1eb7c b\u1ea5t k\u1ef3 d\u1eef li\u1ec7u n\u00e0o c\u00f3 th\u1ec3 g\u00e2y h\u1ea1i n\u1ebfu b\u1ecb l\u1ed9.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>X\u00e2y D\u1ef1ng Ch\u00ednh S\u00e1ch B\u1ea3o M\u1eadt R\u00f5 R\u00e0ng<\/strong><\/h3>\n\n\n\n<p>C\u00f4ng ngh\u1ec7 ch\u1ec9 l\u00e0 c\u00f4ng c\u1ee5. Hi\u1ec7u qu\u1ea3 c\u1ee7a n\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1ch con ng\u01b0\u1eddi s\u1eed d\u1ee5ng. V\u00ec v\u1eady, c\u00e1c ch\u00ednh s\u00e1ch <strong>b\u1ea3o m\u1eadt email<\/strong> v\u00e0 s\u1eed d\u1ee5ng internet ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng, ph\u1ed5 bi\u1ebfn v\u00e0 th\u1ef1c thi nghi\u00eam ng\u1eb7t.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Quy \u0111\u1ecbnh v\u1ec1 s\u1eed d\u1ee5ng email:<\/strong> Ch\u00ednh s\u00e1ch c\u1ea7n bao g\u1ed3m c\u00e1c h\u01b0\u1edbng d\u1eabn v\u1ec1 c\u00e1ch x\u1eed l\u00fd email nh\u1ea1y c\u1ea3m, kh\u00f4ng m\u1edf t\u1ec7p \u0111\u00ednh k\u00e8m t\u1eeb ng\u01b0\u1eddi l\u1ea1, kh\u00f4ng click v\u00e0o c\u00e1c li\u00ean k\u1ebft \u0111\u00e1ng ng\u1edd v\u00e0 c\u00e1ch b\u00e1o c\u00e1o c\u00e1c email l\u1eeba \u0111\u1ea3o.<\/li>\n\n\n\n<li><strong>Ch\u00ednh s\u00e1ch v\u1ec1 m\u1eadt kh\u1ea9u:<\/strong> Quy \u0111\u1ecbnh r\u00f5 r\u00e0ng v\u1ec1 \u0111\u1ed9 ph\u1ee9c t\u1ea1p, th\u1eddi gian thay \u0111\u1ed5i m\u1eadt kh\u1ea9u v\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng tr\u00ecnh qu\u1ea3n l\u00fd m\u1eadt kh\u1ea9u.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3. H\u01b0\u1edbng D\u1eabn Th\u1ef1c Thi C\u00e1c Ch\u00ednh S\u00e1ch B\u1ea3o M\u1eadt Email<\/strong><\/h2>\n\n\n\n<p>Vi\u1ec7c \u0111\u01b0a c\u00e1c ch\u00ednh s\u00e1ch v\u00e0o th\u1ef1c t\u1ebf \u0111\u00f2i h\u1ecfi m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c c\u1ee5 th\u1ec3, bao g\u1ed3m c\u1ea3 y\u1ebfu t\u1ed1 con ng\u01b0\u1eddi v\u00e0 c\u00f4ng ngh\u1ec7.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>S\u1eed d\u1ee5ng c\u00e1c m\u1eabu c\u1ea3nh b\u00e1o an ninh:<\/strong> B\u1ed9 ph\u1eadn IT c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c m\u1eabu email c\u00f3 s\u1eb5n \u0111\u1ec3 nhanh ch\u00f3ng c\u1ea3nh b\u00e1o nh\u00e2n vi\u00ean v\u1ec1 c\u00e1c m\u1ed1i \u0111e d\u1ecda m\u1edbi, nh\u01b0 email l\u1eeba \u0111\u1ea3o, c\u00e1c l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt ho\u1eb7c c\u00e1c quy \u0111\u1ecbnh m\u1edbi.<\/li>\n\n\n\n<li><strong>Tri\u1ec3n khai c\u00e1c c\u00f4ng ngh\u1ec7 chuy\u00ean s\u00e2u:<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>B\u1ed9 l\u1ecdc email n\u00e2ng cao:<\/strong> S\u1eed d\u1ee5ng c\u00e1c gi\u1ea3i ph\u00e1p <strong>b\u1ea3o m\u1eadt email<\/strong> chuy\u00ean nghi\u1ec7p \u0111\u1ec3 l\u1ecdc spam, qu\u00e9t virus v\u00e0 ph\u00e1t hi\u1ec7n c\u00e1c m\u1ed1i \u0111e d\u1ecda ph\u1ee9c t\u1ea1p h\u01a1n.<\/li>\n\n\n\n<li><strong>Giao th\u1ee9c b\u1ea3o v\u1ec7 t\u00ean mi\u1ec1n (DMARC, DKIM, SPF):<\/strong> \u0110\u00e2y l\u00e0 c\u00e1c ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt gi\u00fap ng\u0103n ch\u1eb7n vi\u1ec7c gi\u1ea3 m\u1ea1o email, \u0111\u1ea3m b\u1ea3o email \u0111\u01b0\u1ee3c g\u1eedi t\u1eeb t\u00ean mi\u1ec1n c\u1ee7a b\u1ea1n l\u00e0 h\u1ee3p ph\u00e1p.<\/li>\n\n\n\n<li><strong>H\u1ec7 th\u1ed1ng ph\u00f2ng ch\u1ed1ng x\u00e2m nh\u1eadp (IDS\/IPS):<\/strong> Theo d\u00f5i l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c ho\u1ea1t \u0111\u1ed9ng b\u1ea5t th\u01b0\u1eddng v\u00e0 ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng tr\u01b0\u1edbc khi ch\u00fang g\u00e2y ra thi\u1ec7t h\u1ea1i.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Ch\u00ednh s\u00e1ch qu\u1ea3n l\u00fd m\u1eadt kh\u1ea9u:<\/strong> \u00c1p d\u1ee5ng m\u1ed9t ch\u00ednh s\u00e1ch qu\u1ea3n l\u00fd m\u1eadt kh\u1ea9u to\u00e0n di\u1ec7n, kh\u00f4ng ch\u1ec9 h\u01b0\u1edbng d\u1eabn nh\u00e2n vi\u00ean m\u00e0 c\u00f2n cung c\u1ea5p c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 tr\u00ecnh qu\u1ea3n l\u00fd m\u1eadt kh\u1ea9u t\u1eadp trung \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u1ea5t c\u1ea3 m\u1eadt kh\u1ea9u \u0111\u1ec1u tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1000\" height=\"667\" src=\"https:\/\/idc.metaserv.vn\/wp-content\/uploads\/2025\/09\/bao-mat-email-2.jpg\" alt=\"\" class=\"wp-image-2369\" srcset=\"https:\/\/idc.metaserv.vn\/wp-content\/uploads\/2025\/09\/bao-mat-email-2.jpg 1000w, https:\/\/idc.metaserv.vn\/wp-content\/uploads\/2025\/09\/bao-mat-email-2-300x200.jpg 300w, https:\/\/idc.metaserv.vn\/wp-content\/uploads\/2025\/09\/bao-mat-email-2-768x512.jpg 768w, https:\/\/idc.metaserv.vn\/wp-content\/uploads\/2025\/09\/bao-mat-email-2-18x12.jpg 18w, https:\/\/idc.metaserv.vn\/wp-content\/uploads\/2025\/09\/bao-mat-email-2-360x240.jpg 360w, https:\/\/idc.metaserv.vn\/wp-content\/uploads\/2025\/09\/bao-mat-email-2-600x400.jpg 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>4. Gi\u00e1o D\u1ee5c V\u00e0 N\u00e2ng Cao Nh\u1eadn Th\u1ee9c<\/strong><\/h2>\n\n\n\n<p>Nh\u01b0 Mimecast \u0111\u00e3 ch\u1ec9 ra, ph\u1ea7n l\u1edbn c\u00e1c v\u1ee5 t\u1ea5n c\u00f4ng th\u00e0nh c\u00f4ng \u0111\u1ec1u \u0111\u1ebfn t\u1eeb l\u1ed7i c\u1ee7a con ng\u01b0\u1eddi. Do \u0111\u00f3, vi\u1ec7c gi\u00e1o d\u1ee5c v\u00e0 \u0111\u00e0o t\u1ea1o nh\u1eadn th\u1ee9c l\u00e0 bi\u1ec7n ph\u00e1p quan tr\u1ecdng nh\u1ea5t \u0111\u1ec3 <strong>b\u1ea3o m\u1eadt email<\/strong>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0110\u00e0o t\u1ea1o \u0111\u1ecbnh k\u1ef3:<\/strong> T\u1ed5 ch\u1ee9c c\u00e1c bu\u1ed5i \u0111\u00e0o t\u1ea1o th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 gi\u00fap nh\u00e2n vi\u00ean nh\u1eadn bi\u1ebft c\u00e1c lo\u1ea1i email l\u1eeba \u0111\u1ea3o, t\u1ea5n c\u00f4ng k\u1ef9 thu\u1eadt x\u00e3 h\u1ed9i v\u00e0 c\u00e1c m\u1ed1i \u0111e d\u1ecda m\u1edbi.<\/li>\n\n\n\n<li><strong>Th\u1ef1c h\u00e0nh m\u00f4 ph\u1ecfng t\u1ea5n c\u00f4ng:<\/strong> Th\u1ef1c hi\u1ec7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u1eeba \u0111\u1ea3o gi\u1ea3 l\u1eadp \u0111\u1ec3 ki\u1ec3m tra m\u1ee9c \u0111\u1ed9 nh\u1eadn th\u1ee9c c\u1ee7a nh\u00e2n vi\u00ean v\u00e0 \u0111\u00e1nh gi\u00e1 hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh \u0111\u00e0o t\u1ea1o. \u0110i\u1ec1u n\u00e0y gi\u00fap nh\u00e2n vi\u00ean h\u1ecdc h\u1ecfi t\u1eeb kinh nghi\u1ec7m th\u1ef1c t\u1ebf trong m\u00f4i tr\u01b0\u1eddng an to\u00e0n.<\/li>\n\n\n\n<li><strong>X\u00e2y d\u1ef1ng v\u0103n h\u00f3a b\u1ea3o m\u1eadt:<\/strong> Khuy\u1ebfn kh\u00edch nh\u00e2n vi\u00ean b\u00e1o c\u00e1o c\u00e1c email \u0111\u00e1ng ng\u1edd m\u00e0 kh\u00f4ng s\u1ee3 b\u1ecb tr\u1eebng ph\u1ea1t. Khi m\u1ed7i c\u00e1 nh\u00e2n \u0111\u1ec1u tr\u1edf th\u00e0nh m\u1ed9t \u201ct\u01b0\u1eddng l\u1eeda s\u1ed1ng,\u201d kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng s\u1ebd t\u0103ng l\u00ean \u0111\u00e1ng k\u1ec3.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>5. K\u1ebft lu\u1eadn<\/strong><\/h2>\n\n\n\n<p><strong>B\u1ea3o m\u1eadt email<\/strong> l\u00e0 m\u1ed9t h\u00e0nh tr\u00ecnh li\u00ean t\u1ee5c, kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t \u0111i\u1ec3m \u0111\u1ebfn. N\u00f3 \u0111\u00f2i h\u1ecfi s\u1ef1 k\u1ebft h\u1ee3p ch\u1eb7t ch\u1ebd gi\u1eefa \u0111\u1ea7u t\u01b0 v\u00e0o c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn, x\u00e2y d\u1ef1ng v\u00e0 th\u1ef1c thi c\u00e1c ch\u00ednh s\u00e1ch ch\u1eb7t ch\u1ebd, v\u00e0 tr\u00ean h\u1ebft, l\u00e0 vi\u1ec7c li\u00ean t\u1ee5c gi\u00e1o d\u1ee5c con ng\u01b0\u1eddi. B\u1eb1ng c\u00e1ch th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p to\u00e0n di\u1ec7n n\u00e0y, doanh nghi\u1ec7p c\u00f3 th\u1ec3 chuy\u1ec3n \u0111\u1ed5i email t\u1eeb m\u1ed9t \u0111i\u1ec3m y\u1ebfu ti\u1ec1m t\u00e0ng th\u00e0nh m\u1ed9t k\u00eanh giao ti\u1ebfp an to\u00e0n, \u0111\u00e1ng tin c\u1eady. \u0110\u00e2y kh\u00f4ng ch\u1ec9 l\u00e0 vi\u1ec7c b\u1ea3o v\u1ec7 t\u00e0i s\u1ea3n, m\u00e0 c\u00f2n l\u00e0 vi\u1ec7c b\u1ea3o v\u1ec7 t\u01b0\u01a1ng lai v\u00e0 s\u1ef1 b\u1ec1n v\u1eefng c\u1ee7a ch\u00ednh doanh nghi\u1ec7p.<\/p>\n\n\n\n<p><a href=\"https:\/\/idc.metaserv.vn\/en\/2025\/09\/18\/bien-phap-giam-thieu-rui-ro-bao-mat\/\"><em>Xem th\u00eam: Gi\u1ea3m Thi\u1ec3u R\u1ee7i Ro B\u1ea3o M\u1eadt: 3 Bi\u1ec7n Ph\u00e1p T\u1ed1i \u01afu Cho Doanh Nghi\u1ec7p C\u1ee7a B\u1ea1n<\/em><\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.metaserv.vn\/contact\" target=\"_blank\" rel=\"noopener\">Li\u00ean h\u1ec7 METASERV<\/a> \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n c\u00e1c gi\u1ea3i ph\u00e1p b\u1ea3o m\u1eadt cho doanh nghi\u1ec7p!<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Email kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 giao ti\u1ebfp m\u00e0 c\u00f2n l\u00e0 huy\u1ebft m\u1ea1ch c\u1ee7a m\u1ecdi ho\u1ea1t \u0111\u1ed9ng. N\u00f3 l\u00e0 n\u01a1i l\u01b0u tr\u1eef h\u00e0ng lo\u1ea1t th\u00f4ng tin nh\u1ea1y c\u1ea3m, t\u1eeb h\u1ee3p \u0111\u1ed3ng kinh doanh, d\u1eef li\u1ec7u t\u00e0i ch\u00ednh, cho \u0111\u1ebfn th\u00f4ng tin c\u00e1 nh\u00e2n c\u1ee7a kh\u00e1ch h\u00e0ng v\u00e0 \u0111\u1ed1i t\u00e1c. [&hellip;]<\/p>","protected":false},"author":2,"featured_media":2370,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rank_math_lock_modified_date":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[23],"tags":[31],"class_list":["post-2366","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-blog"],"jetpack_featured_media_url":"https:\/\/idc.metaserv.vn\/wp-content\/uploads\/2025\/09\/bao-mat-email-5.png","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/idc.metaserv.vn\/en\/wp-json\/wp\/v2\/posts\/2366","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.metaserv.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.metaserv.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.metaserv.vn\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.metaserv.vn\/en\/wp-json\/wp\/v2\/comments?post=2366"}],"version-history":[{"count":1,"href":"https:\/\/idc.metaserv.vn\/en\/wp-json\/wp\/v2\/posts\/2366\/revisions"}],"predecessor-version":[{"id":2371,"href":"https:\/\/idc.metaserv.vn\/en\/wp-json\/wp\/v2\/posts\/2366\/revisions\/2371"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/idc.metaserv.vn\/en\/wp-json\/wp\/v2\/media\/2370"}],"wp:attachment":[{"href":"https:\/\/idc.metaserv.vn\/en\/wp-json\/wp\/v2\/media?parent=2366"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.metaserv.vn\/en\/wp-json\/wp\/v2\/categories?post=2366"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.metaserv.vn\/en\/wp-json\/wp\/v2\/tags?post=2366"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}