{"id":7350,"date":"2023-08-01T13:26:26","date_gmt":"2023-08-01T06:26:26","guid":{"rendered":"https:\/\/vacif.com\/?p=7350"},"modified":"2024-06-24T04:02:15","modified_gmt":"2024-06-24T04:02:15","slug":"bao-mat-email-cac-phuong-phap-tan-cong-email-pho-bien-va-cach-phong-chong","status":"publish","type":"post","link":"https:\/\/vacif.com\/en\/bao-mat-email-cac-phuong-phap-tan-cong-email-pho-bien-va-cach-phong-chong\/","title":{"rendered":"B\u1ea2O M\u1eacT EMAIL : C\u00c1C PH\u01af\u01a0NG PH\u00c1P T\u1ea4N C\u00d4NG EMAIL PH\u1ed4 BI\u1ebeN V\u00c0 C\u00c1CH PH\u00d2NG CH\u1ed0NG"},"content":{"rendered":"\n

T\u1ed5ng quan : <\/strong><\/p>\n\n\n\n

B\u1ea3o m\u1eadt email lu\u00f4n l\u00e0 m\u1ed9t trong nh\u1eefng v\u1ea5n \u0111\u1ec1 quan tr\u1ecdng v\u00e0 c\u1ea5p b\u00e1ch trong th\u1ebf gi\u1edbi k\u1ef9 thu\u1eadt s\u1ed1 ng\u00e0y nay. Trong m\u00f4i tr\u01b0\u1eddng tr\u1ef1c tuy\u1ebfn ph\u1ee9c t\u1ea1p, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ea5n c\u00f4ng email ng\u00e0y c\u00e0ng tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn v\u00e0 tinh vi h\u01a1n, khi\u1ebfn cho vi\u1ec7c b\u1ea3o v\u1ec7 th\u00f4ng tin c\u00e1 nh\u00e2n v\u00e0 doanh nghi\u1ec7p tr\u1edf n\u00ean ng\u00e0y c\u00e0ng kh\u00f3 kh\u0103n. Ch\u00ednh v\u00ec v\u1eady, \u0111i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 hi\u1ec3u r\u00f5 c\u00e1c m\u1ed1i \u0111e d\u1ecda ti\u1ec1m t\u00e0ng v\u00e0 n\u1eafm v\u1eefng c\u00e1ch ph\u00f2ng ch\u1ed1ng hi\u1ec7u qu\u1ea3 \u0111\u1ec3 duy tr\u00ec t\u00ednh b\u1ea3o m\u1eadt cho h\u1ed9p th\u01b0 \u0111i\u1ec7n t\u1eed c\u1ee7a ch\u00fang ta.<\/p>\n\n\n\n

Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd \u0111i s\u00e2u v\u00e0o t\u00ecm hi\u1ec3u v\u1ec1 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ea5n c\u00f4ng email ph\u1ed5 bi\u1ebfn m\u00e0 c\u00e1c k\u1ebb x\u00e2m nh\u1eadp th\u01b0\u1eddng s\u1eed d\u1ee5ng. Ch\u00fang ta c\u0169ng s\u1ebd kh\u00e1m ph\u00e1 nh\u1eefng bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba \u0111\u00e1ng tin c\u1eady m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng \u0111\u1ec3 b\u1ea3o v\u1ec7 email c\u1ee7a m\u00ecnh kh\u1ecfi c\u00e1c m\u1ed1i \u0111e d\u1ecda ti\u1ec1m \u1ea9n. \u0110\u1ed3ng h\u00e0nh c\u00f9ng ch\u00fang t\u00f4i v\u00e0 h\u00e3y trang b\u1ecb cho m\u00ecnh nh\u1eefng ki\u1ebfn th\u1ee9c c\u1ea7n thi\u1ebft \u0111\u1ec3 gi\u1eef cho h\u1ed9p th\u01b0 \u0111i\u1ec7n t\u1eed c\u1ee7a b\u1ea1n an to\u00e0n v\u00e0 b\u1ea3o m\u1eadt trong th\u1eddi \u0111\u1ea1i s\u1ed1 h\u00f3a ng\u00e0y nay.<\/p>\n\n\n\n

M\u1ee5c l\u1ee5c :<\/strong><\/p>\n\n\n\n

I. B\u1ea3o m\u1eadt email l\u00e0 g\u00ec?<\/strong><\/p>\n\n\n\n

II. C\u00e1c m\u1ed1i \u0111e d\u1ecda ph\u1ed5 bi\u1ebfn \u0111\u1ed1i v\u1edbi email<\/strong><\/p>\n\n\n\n

III. Ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t b\u1ea3o m\u1eadt email cho doanh nghi\u1ec7p<\/strong><\/p>\n\n\n\n

N\u1ed9i dung b\u00e0i vi\u1ebft :<\/strong><\/p>\n\n\n\n

I. B\u1ea3o m\u1eadt email l\u00e0 g\u00ec?<\/strong><\/p>\n\n\n\n

1. Email l\u00e0 g\u00ec ?<\/strong><\/p>\n\n\n

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\"\"<\/figure>\n<\/div>\n\n\n

Email l\u00e0 m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong vi\u1ec7c giao ti\u1ebfp trong t\u1ed5 ch\u1ee9c v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i b\u1edfi h\u1ea7u h\u1ebft c\u00e1c c\u00f4ng ty tr\u00ean nhi\u1ec1u thi\u1ebft b\u1ecb v\u00e0 m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau. Ngo\u00e0i vi\u1ec7c trao \u0111\u1ed5i th\u00f4ng \u0111i\u1ec7p v\u0103n b\u1ea3n, email c\u00f2n h\u1ed7 tr\u1ee3 vi\u1ec7c g\u1eedi v\u00e0 nh\u1eadn c\u00e1c lo\u1ea1i ph\u01b0\u01a1ng ti\u1ec7n kh\u00e1c nhau, bao g\u1ed3m c\u1ea3 \u1ea3nh, video v\u00e0 t\u1ec7p \u0111\u00ednh k\u00e8m. C\u00e1c cu\u1ed9c trao \u0111\u1ed5i qua email c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c theo d\u00f5i, l\u01b0u tr\u1eef v\u00e0 s\u1eafp x\u1ebfp d\u1ef1a tr\u00ean nhi\u1ec1u y\u1ebfu t\u1ed1 kh\u00e1c nhau.<\/p>\n\n\n\n

\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho t\u00e0i kho\u1ea3n email v\u00e0 c\u00e1c cu\u1ed9c trao \u0111\u1ed5i, b\u1ea3o m\u1eadt email \u0111\u00f2i h\u1ecfi s\u1eed d\u1ee5ng c\u00e1c quy tr\u00ecnh v\u00e0 c\u00f4ng ngh\u1ec7 b\u1ea3o m\u1eadt. Email tr\u1edf th\u00e0nh m\u1ed9t \u0111i\u1ec3m t\u1ea5n c\u00f4ng quan tr\u1ecdng trong m\u00f4i tr\u01b0\u1eddng t\u1ed5 ch\u1ee9c v\u00e0 th\u01b0\u1eddng l\u00e0 m\u1ee5c ti\u00eau ch\u00ednh cho c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u1eeba \u0111\u1ea3o v\u00e0 c\u00e1c h\u00ecnh th\u1ee9c x\u00e2m h\u1ea1i x\u00e3 h\u1ed9i. M\u1ed9t l\u00fd do kh\u00e1c l\u00e0 v\u00ec email c\u00f3 th\u1ec3 ch\u1ee9a th\u00f4ng tin c\u1ef1c k\u1ef3 nh\u1ea1y c\u1ea3m, l\u00e0 m\u1ee5c ti\u00eau m\u00e0 c\u00e1c k\u1ebb t\u1ea5n c\u00f4ng v\u00e0 nh\u00e2n vi\u00ean n\u1ed9i ph\u1ea1m c\u00f3 th\u1ec3 t\u00ecm c\u00e1ch thu th\u1eadp v\u00e0 l\u1ee3i d\u1ee5ng.<\/p>\n\n\n\n

2. T\u1ea1i sao c\u1ea7n b\u1ea3o m\u1eadt email ?<\/strong><\/p>\n\n\n

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\"\"<\/figure>\n<\/div>\n\n\n

B\u1ea3o m\u1eadt email l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 c\u1ef1c k\u1ef3 quan tr\u1ecdng trong vi\u1ec7c b\u1ea3o v\u1ec7 th\u00f4ng tin c\u00e1 nh\u00e2n v\u00e0 d\u1eef li\u1ec7u quan tr\u1ecdng c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 t\u1ed5 ch\u1ee9c. <\/p>\n\n\n\n

D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 l\u00fd do v\u00ec sao c\u1ea7n b\u1ea3o m\u1eadt email:<\/strong><\/p>\n\n\n\n

    \n
  • B\u1ea3o v\u1ec7 th\u00f4ng tin c\u00e1 nh\u00e2n: <\/strong>Email th\u01b0\u1eddng ch\u1ee9a th\u00f4ng tin c\u00e1 nh\u00e2n quan tr\u1ecdng, ch\u1eb3ng h\u1ea1n nh\u01b0 t\u00ean, \u0111\u1ecba ch\u1ec9, s\u1ed1 \u0111i\u1ec7n tho\u1ea1i, th\u00f4ng tin t\u00e0i ch\u00ednh v\u00e0 th\u00f4ng tin \u0111\u0103ng nh\u1eadp. N\u1ebfu email b\u1ecb x\u00e2m nh\u1eadp ho\u1eb7c r\u01a1i v\u00e0o tay nh\u1eefng k\u1ebb x\u1ea5u, th\u00f4ng tin n\u00e0y c\u00f3 th\u1ec3 b\u1ecb l\u1ed9 v\u00e0 d\u1eabn \u0111\u1ebfn vi\u1ec7c x\u1ea3y ra c\u00e1c h\u00ecnh th\u1ee9c l\u1eeba \u0111\u1ea3o hay vi ph\u1ea1m quy\u1ec1n ri\u00eang t\u01b0.<\/li>\n\n\n\n
  • Ng\u0103n ch\u1eb7n cu\u1ed9c t\u1ea5n c\u00f4ng email:<\/strong> Email l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ti\u1ec7n ph\u1ed5 bi\u1ebfn \u0111\u1ec3 ti\u1ebfn h\u00e0nh c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng m\u1ea1ng nh\u01b0 phishing, trong \u0111\u00f3 k\u1ebb t\u1ea5n c\u00f4ng gi\u1ea3 m\u1ea1o th\u00f4ng tin \u0111\u1ec3 l\u1eeba ng\u01b0\u1eddi nh\u1eadn email th\u1ef1c hi\u1ec7n h\u00e0nh \u0111\u1ed9ng kh\u00f4ng mong mu\u1ed1n, ch\u1eb3ng h\u1ea1n nh\u01b0 cung c\u1ea5p th\u00f4ng tin \u0111\u0103ng nh\u1eadp ho\u1eb7c th\u00f4ng tin t\u00e0i kho\u1ea3n. B\u1ea3o m\u1eadt email gi\u00fap ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng n\u00e0y.<\/li>\n\n\n\n
  • Ch\u1ed1ng th\u1ea5t tho\u00e1t d\u1eef li\u1ec7u:<\/strong> Email th\u01b0\u1eddng ch\u1ee9a th\u00f4ng tin nh\u1ea1y c\u1ea3m v\u00e0 d\u1eef li\u1ec7u doanh nghi\u1ec7p quan tr\u1ecdng. N\u1ebfu kh\u00f4ng b\u1ea3o m\u1eadt, th\u00f4ng tin n\u00e0y c\u00f3 th\u1ec3 b\u1ecb \u0111\u00e1nh c\u1eafp ho\u1eb7c r\u00f2 r\u1ec9, g\u00e2y ra nh\u1eefng h\u1eadu qu\u1ea3 nghi\u00eam tr\u1ecdng cho t\u1ed5 ch\u1ee9c.<\/li>\n\n\n\n
  • B\u1ea3o v\u1ec7 danh ti\u1ebfng:<\/strong> N\u1ebfu t\u00e0i kho\u1ea3n email c\u1ee7a b\u1ea1n b\u1ecb l\u1eeba \u0111\u1ea3o ho\u1eb7c b\u1ecb x\u00e2m nh\u1eadp, k\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 g\u1eedi email gi\u1ea3 m\u1ea1o t\u1eeb t\u00e0i kho\u1ea3n c\u1ee7a b\u1ea1n v\u00e0 g\u00e2y t\u1ed5n h\u1ea1i \u0111\u1ebfn danh ti\u1ebfng c\u00e1 nh\u00e2n ho\u1eb7c doanh nghi\u1ec7p.<\/li>\n\n\n\n
  • Tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh v\u00e0 lu\u1eadt ph\u00e1p<\/strong>: Trong m\u1ed9t s\u1ed1 qu\u1ed1c gia v\u00e0 ng\u00e0nh c\u00f4ng nghi\u1ec7p, t\u1ed5 ch\u1ee9c ph\u1ea3i tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh v\u00e0 lu\u1eadt ph\u00e1p v\u1ec1 b\u1ea3o m\u1eadt d\u1eef li\u1ec7u v\u00e0 th\u00f4ng tin. B\u1ea3o m\u1eadt email l\u00e0 m\u1ed9t y\u00eau c\u1ea7u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh n\u00e0y.<\/li>\n\n\n\n
  • Ng\u0103n ch\u1eb7n t\u1ea5n c\u00f4ng malware: <\/strong>Email l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ti\u1ec7n ph\u1ed5 bi\u1ebfn \u0111\u1ec3 ph\u00e1t t\u00e1n c\u00e1c ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i (malware), nh\u01b0 virus, trojan v\u00e0 ransomware. B\u1ea3o m\u1eadt email gi\u00fap ng\u0103n ch\u1eb7n vi\u1ec7c nh\u1eadn v\u00e0 truy\u1ec1n t\u1ea3i malware qua email.<\/li>\n<\/ul>\n\n\n\n

    Nh\u01b0 v\u1eady, b\u1ea3o m\u1eadt email l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng trong vi\u1ec7c b\u1ea3o v\u1ec7 th\u00f4ng tin c\u00e1 nh\u00e2n, ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng m\u1ea1ng v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n th\u00f4ng tin trong m\u00f4i tr\u01b0\u1eddng tr\u1ef1c tuy\u1ebfn.<\/p>\n\n\n\n

    II. C\u00e1c m\u1ed1i \u0111e d\u1ecda ph\u1ed5 bi\u1ebfn \u0111\u1ed1i v\u1edbi email<\/strong><\/p>\n\n\n

    \n
    \"\"<\/figure>\n<\/div>\n\n\n

    Email \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 giao ti\u1ebfp quan tr\u1ecdng v\u00e0 kh\u00f4ng th\u1ec3 thi\u1ebfu trong cu\u1ed9c s\u1ed1ng c\u00e1 nh\u00e2n v\u00e0 doanh nghi\u1ec7p. Tuy nhi\u00ean, \u0111\u1ed3ng v\u1edbi s\u1ef1 ti\u1ec7n l\u1ee3i v\u00e0 hi\u1ec7u qu\u1ea3, email c\u0169ng mang trong m\u00ecnh nh\u1eefng m\u1ed1i \u0111e d\u1ecda ti\u1ec1m \u1ea9n.<\/p>\n\n\n\n

      \n
    1. L\u1eeba \u0111\u1ea3o<\/strong>
      L\u1eeba \u0111\u1ea3o qua email l\u00e0 m\u1ed9t trong nh\u1eefng m\u1ed1i \u0111e d\u1ecda ph\u1ed5 bi\u1ebfn nh\u1ea5t m\u00e0 ng\u01b0\u1eddi d\u00f9ng th\u01b0\u1eddng g\u1eb7p ph\u1ea3i. Tin nh\u1eafn gi\u1ea3 m\u1ea1o th\u01b0\u1eddng gi\u1ea3 d\u1ea1ng nh\u01b0 email t\u1eeb c\u00e1c t\u1ed5 ch\u1ee9c \u0111\u00e1ng tin c\u1eady nh\u1eb1m l\u1eeba ng\u01b0\u1eddi nh\u1eadn cung c\u1ea5p th\u00f4ng tin c\u00e1 nh\u00e2n nh\u1ea1y c\u1ea3m, nh\u01b0 t\u00e0i kho\u1ea3n ng\u00e2n h\u00e0ng, m\u1eadt kh\u1ea9u ho\u1eb7c th\u00f4ng tin th\u1ebb t\u00edn d\u1ee5ng. C\u00e1c ph\u01b0\u01a1ng th\u1ee9c l\u1eeba \u0111\u1ea3o ph\u1ed5 bi\u1ebfn bao g\u1ed3m l\u1eeba ng\u01b0\u1eddi d\u00f9ng b\u1ea5m v\u00e0o li\u00ean k\u1ebft \u0111\u1ed9c h\u1ea1i ho\u1eb7c t\u1ea3i xu\u1ed1ng t\u1ec7p \u0111\u00ednh k\u00e8m ch\u1ee9a m\u00e3 \u0111\u1ed9c.<\/li>\n\n\n\n
    2. Ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i<\/strong>
      Email c\u0169ng l\u00e0 m\u00f4i tr\u01b0\u1eddng ph\u1ed5 bi\u1ebfn \u0111\u1ec3 l\u00e2y lan ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i. C\u00e1c t\u1eadp tin \u0111\u00ednh k\u00e8m, li\u00ean k\u1ebft ho\u1eb7c th\u1eadm ch\u00ed h\u00ecnh \u1ea3nh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 c\u00e0i \u0111\u1eb7t virus, trojan, ransomware v\u00e0 c\u00e1c lo\u1ea1i m\u00e3 \u0111\u1ed9c kh\u00e1c. Khi b\u1ecb nhi\u1ec5m ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i, h\u1ec7 th\u1ed1ng c\u1ee7a ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 b\u1ecb ki\u1ec3m so\u00e1t t\u1eeb xa, th\u00f4ng tin c\u00e1 nh\u00e2n b\u1ecb \u0111\u00e1nh c\u1eafp ho\u1eb7c b\u1ecb m\u00e3 h\u00f3a \u0111\u1ec3 \u0111\u00f2i ti\u1ec1n chu\u1ed9c.<\/li>\n\n\n\n
    3. Th\u01b0 r\u00e1c:<\/strong>
      Th\u01b0 r\u00e1c, hay c\u00f2n g\u1ecdi l\u00e0 spam, l\u00e0 nh\u1eefng email kh\u00f4ng mong mu\u1ed1n \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn m\u1ed9t l\u01b0\u1ee3ng l\u1edbn ng\u01b0\u1eddi d\u00f9ng. Th\u01b0 r\u00e1c g\u00e2y phi\u1ec1n ph\u1ee9c cho ng\u01b0\u1eddi nh\u1eadn, l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t l\u00e0m vi\u1ec7c v\u00e0 chi\u1ebfm kh\u00f4ng gian l\u01b0u tr\u1eef. Ngo\u00e0i ra, th\u01b0 r\u00e1c c\u0169ng c\u00f3 th\u1ec3 ch\u1ee9a c\u00e1c li\u00ean k\u1ebft \u0111\u1ed9c h\u1ea1i ho\u1eb7c d\u1eabn \u0111\u1ebfn c\u00e1c trang web l\u1eeba \u0111\u1ea3o.<\/li>\n\n\n\n
    4. M\u1ea5t d\u1eef li\u1ec7u:<\/strong>
      Nguy c\u01a1 m\u1ea5t d\u1eef li\u1ec7u t\u1eeb email c\u00f3 th\u1ec3 x\u1ea3y ra do nhi\u1ec1u nguy\u00ean nh\u00e2n, bao g\u1ed3m vi\u1ec7c ng\u01b0\u1eddi d\u00f9ng x\u00f3a email quan tr\u1ecdng m\u1ed9t c\u00e1ch v\u00f4 t\u00ecnh ho\u1eb7c b\u1ecb t\u1ea5n c\u00f4ng v\u00e0 x\u00e2m nh\u1eadp v\u00e0o h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef email. S\u1ef1 m\u1ea5t m\u00e1t d\u1eef li\u1ec7u c\u00f3 th\u1ec3 g\u00e2y h\u1eadu qu\u1ea3 nghi\u00eam tr\u1ecdng cho ho\u1ea1t \u0111\u1ed9ng kinh doanh v\u00e0 c\u00e1 nh\u00e2n.<\/li>\n\n\n\n
    5. T\u1ea5n c\u00f4ng x\u00e1c th\u1ef1c tr\u00ean m\u00e1y ch\u1ee7 email<\/strong>
      C\u00e1c m\u00e1y ch\u1ee7 email c\u0169ng c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh m\u1ee5c ti\u00eau c\u1ee7a c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng. K\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 c\u1ed1 g\u1eafng x\u00e2m nh\u1eadp v\u00e0o m\u00e1y ch\u1ee7 email \u0111\u1ec3 truy c\u1eadp th\u00f4ng tin c\u00e1 nh\u00e2n c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, thay \u0111\u1ed5i n\u1ed9i dung email ho\u1eb7c th\u1eadm ch\u00ed ch\u1eb7n ho\u1eb7c ng\u1eebng ho\u1ea1t \u0111\u1ed9ng ho\u00e0n to\u00e0n h\u1ec7 th\u1ed1ng email c\u1ee7a m\u1ed9t t\u1ed5 ch\u1ee9c.<\/li>\n\n\n\n
    6. Botnet v\u00e0 DDoS<\/strong>
      Botnet l\u00e0 m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c m\u00e1y t\u00ednh b\u1ecb nhi\u1ec5m virus v\u00e0 \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n t\u1eeb xa b\u1edfi k\u1ebb t\u1ea5n c\u00f4ng. Email c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e2y lan botnet v\u00e0 t\u1ea1o th\u00e0nh c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS (t\u1ea5n c\u00f4ng ph\u1ee7 b\u1eb1ng d\u1ecbch v\u1ee5) nh\u1eb1m l\u00e0m qu\u00e1 t\u1ea3i h\u1ec7 th\u1ed1ng v\u00e0 g\u00e2y ra s\u1ef1 c\u1ed1 truy c\u1eadp v\u00e0o d\u1ecbch v\u1ee5 email.<\/li>\n<\/ol>\n\n\n\n

      \u0110\u1ec3 b\u1ea3o v\u1ec7 an to\u00e0n th\u00f4ng tin v\u00e0 \u0111\u1ed1i ph\u00f3 v\u1edbi nh\u1eefng m\u1ed1i \u0111e d\u1ecda tr\u00ean, ng\u01b0\u1eddi d\u00f9ng c\u1ea7n th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt t\u1ec9 m\u1ec9, ch\u1eb3ng h\u1ea1n nh\u01b0 kh\u00f4ng m\u1edf email kh\u00f4ng x\u00e1c \u0111\u1ecbnh, kh\u00f4ng b\u1ea5m v\u00e0o li\u00ean k\u1ebft kh\u00f4ng r\u00f5 ngu\u1ed3n g\u1ed1c v\u00e0 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 b\u1ea3o m\u1eadt email chuy\u00ean nghi\u1ec7p. S\u1ef1 hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1c m\u1ed1i \u0111e d\u1ecda n\u00e0y c\u0169ng l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 b\u1ea3o v\u1ec7 t\u00e0i kho\u1ea3n v\u00e0 th\u00f4ng tin c\u00e1 nh\u00e2n m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n

      III. Ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t b\u1ea3o m\u1eadt email cho doanh nghi\u1ec7p<\/strong><\/p>\n\n\n\n

      D\u01b0\u1edbi \u0111\u00e2y l\u00e0 9 bi\u1ec7n ph\u00e1p c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt email trong m\u00f4i tr\u01b0\u1eddng doanh nghi\u1ec7p :<\/strong><\/p>\n\n\n\n

      1. B\u1ea3o v\u1ec7 t\u00e0i kho\u1ea3n email b\u1eb1ng x\u00e1c th\u1ef1c ng\u01b0\u1eddi g\u1eedi<\/strong><\/strong><\/p>\n\n\n

      \n
      \"\"<\/figure>\n<\/div>\n\n\n

      \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng ch\u1ec9 nh\u1eefng email t\u1eeb ngu\u1ed3n \u0111\u00e1ng tin c\u1eady \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn, doanh nghi\u1ec7p n\u00ean x\u00e1c th\u1ef1c ng\u01b0\u1eddi g\u1eedi. S\u1eed d\u1ee5ng c\u00e1c ch\u1ee9ng ch\u1ec9 s\u1ed1 d\u1ea5u th\u1eddi gian (DKIM), x\u00e1c th\u1ef1c doanh nghi\u1ec7p (SPF) v\u00e0 c\u01a1 ch\u1ebf DMARC (Domain-based Message Authentication, Reporting, and Conformance) s\u1ebd gi\u00fap h\u1ea1n ch\u1ebf r\u1ee7i ro v\u1ec1 email gi\u1ea3 m\u1ea1o v\u00e0 l\u1eeba \u0111\u1ea3o.<\/p>\n\n\n\n

      2. K\u00edch ho\u1ea1t b\u1ed9 l\u1ecdc th\u01b0 r\u00e1c<\/strong><\/strong><\/p>\n\n\n\n

      B\u1ed9 l\u1ecdc th\u01b0 r\u00e1c \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c ng\u0103n ch\u1eb7n c\u00e1c email kh\u00f4ng mong mu\u1ed1n v\u00e0 \u0111\u1ed9c h\u1ea1i. Doanh nghi\u1ec7p n\u00ean k\u00edch ho\u1ea1t v\u00e0 c\u1ea5u h\u00ecnh b\u1ed9 l\u1ecdc th\u01b0 r\u00e1c \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng ph\u00e1t hi\u1ec7n v\u00e0 \u0111\u01b0a v\u00e0o h\u1ed9p th\u01b0 r\u00e1c nh\u1eefng email c\u00f3 kh\u1ea3 n\u0103ng l\u00e0 th\u01b0 r\u00e1c ho\u1eb7c c\u00f3 n\u1ed9i dung \u0111\u00e1ng ng\u1edd.<\/p>\n\n\n\n

      3. Tri\u1ec3n khai x\u00e1c th\u1ef1c \u0111a y\u1ebfu t\u1ed1<\/strong><\/strong><\/p>\n\n\n\n

      X\u00e1c th\u1ef1c \u0111a y\u1ebfu t\u1ed1 l\u00e0 m\u1ed9t l\u1edbp b\u1ea3o v\u1ec7 b\u1ed5 sung gi\u00fap t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt t\u00e0i kho\u1ea3n email. Ngo\u00e0i m\u1eadt kh\u1ea9u, doanh nghi\u1ec7p n\u00ean tri\u1ec3n khai x\u00e1c th\u1ef1c b\u1ed5 sung nh\u01b0 m\u00e3 OTP (One-Time Password) th\u00f4ng qua \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng ho\u1eb7c m\u00e3 th\u00f4ng qua tin nh\u1eafn SMS \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ec9 c\u00f3 ng\u01b0\u1eddi d\u00f9ng h\u1ee3p l\u1ec7 m\u1edbi c\u00f3 th\u1ec3 truy c\u1eadp v\u00e0o t\u00e0i kho\u1ea3n email.<\/p>\n\n\n\n

      4. Gi\u1eef email doanh nghi\u1ec7p v\u00e0 c\u00e1 nh\u00e2n ri\u00eang bi\u1ec7t<\/strong><\/strong><\/p>\n\n\n\n

      Doanh nghi\u1ec7p n\u00ean khuy\u1ebfn kh\u00edch nh\u00e2n vi\u00ean s\u1eed d\u1ee5ng c\u00e1c t\u00e0i kho\u1ea3n email ri\u00eang bi\u1ec7t cho c\u00f4ng vi\u1ec7c v\u00e0 c\u00e1 nh\u00e2n. \u0110i\u1ec1u n\u00e0y gi\u00fap ng\u0103n ch\u1eb7n s\u1ef1 pha tr\u1ed9n th\u00f4ng tin doanh nghi\u1ec7p v\u1edbi th\u00f4ng tin c\u00e1 nh\u00e2n, gi\u1eef cho d\u1eef li\u1ec7u doanh nghi\u1ec7p an to\u00e0n h\u01a1n v\u00e0 d\u1ec5 qu\u1ea3n l\u00fd h\u01a1n.<\/p>\n\n\n\n

      5. Tr\u00e1nh s\u1eed d\u1ee5ng wifi c\u00f4ng c\u1ed9ng<\/strong><\/strong><\/p>\n\n\n

      \n
      \"\"<\/figure>\n<\/div>\n\n\n

      Khi s\u1eed d\u1ee5ng email t\u1eeb c\u00e1c \u0111\u1ecba \u0111i\u1ec3m c\u00f4ng c\u1ed9ng, nh\u00e2n vi\u00ean doanh nghi\u1ec7p n\u00ean tr\u00e1nh k\u1ebft n\u1ed1i v\u00e0o c\u00e1c m\u1ea1ng Wi-Fi c\u00f4ng c\u1ed9ng kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o m\u1eadt. S\u1ef1 thi\u1ebfu b\u1ea3o m\u1eadt trong m\u1ea1ng Wi-Fi c\u00f4ng c\u1ed9ng c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng cho ph\u00e9p k\u1ebb x\u00e2m nh\u1eadp theo d\u00f5i v\u00e0 \u0111\u00e1nh c\u1eafp th\u00f4ng tin nh\u1ea1y c\u1ea3m t\u1eeb t\u00e0i kho\u1ea3n email.<\/p>\n\n\n\n

      6. Sao l\u01b0u c\u00e1c t\u1ec7p quan tr\u1ecdng<\/strong><\/strong><\/p>\n\n\n\n

      \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u email quan tr\u1ecdng kh\u00f4ng b\u1ecb m\u1ea5t, doanh nghi\u1ec7p n\u00ean th\u1ef1c hi\u1ec7n sao l\u01b0u \u0111\u1ecbnh k\u1ef3. Qu\u00e1 tr\u00ecnh sao l\u01b0u n\u00e0y n\u00ean bao g\u1ed3m c\u1ea3 h\u1ed9p th\u01b0 \u0111i\u1ec7n t\u1eed, danh s\u00e1ch li\u00ean h\u1ec7 v\u00e0 t\u1eadp tin \u0111\u00ednh k\u00e8m. Sao l\u01b0u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef \u1edf m\u1ed9t v\u1ecb tr\u00ed an to\u00e0n v\u00e0 d\u1ec5 truy c\u1eadp khi c\u1ea7n thi\u1ebft.<\/p>\n\n\n\n

      7. \u0110\u00e0o t\u1ea1o nh\u00e2n vi\u00ean<\/strong><\/p>\n\n\n

      \n
      \"\"<\/figure>\n<\/div>\n\n\n

      \u0110\u00e0o t\u1ea1o nh\u00e2n vi\u00ean v\u1ec1 c\u00e1c m\u1ed1i \u0111e d\u1ecda an ninh email v\u00e0 c\u00e1ch ph\u00f2ng ng\u1eeba l\u00e0 r\u1ea5t quan tr\u1ecdng. Ch\u01b0\u01a1ng tr\u00ecnh \u0111\u00e0o t\u1ea1o an ninh th\u00f4ng tin \u0111\u1ecbnh k\u1ef3 s\u1ebd gi\u00fap nh\u00e2n vi\u00ean nh\u1eadn bi\u1ebft v\u00e0 ph\u1ea3n \u1ee9ng \u0111\u00fang \u0111\u1eafn tr\u01b0\u1edbc c\u00e1c email l\u1eeba \u0111\u1ea3o v\u00e0 \u0111e d\u1ecda ti\u1ec1m t\u00e0ng.<\/p>\n\n\n\n

      8. Tri\u1ec3n Khai Gi\u1ea3i Ph\u00e1p B\u1ea3o M\u1eadt Email<\/strong><\/p>\n\n\n\n

      Cu\u1ed1i c\u00f9ng, doanh nghi\u1ec7p n\u00ean xem x\u00e9t tri\u1ec3n khai c\u00e1c gi\u1ea3i ph\u00e1p b\u1ea3o m\u1eadt email chuy\u00ean nghi\u1ec7p. C\u00e1c gi\u1ea3i ph\u00e1p n\u00e0y bao g\u1ed3m ph\u00e1t hi\u1ec7n v\u00e0 ch\u1eb7n th\u01b0 r\u00e1c, m\u00e3 h\u00f3a email, ph\u00e1t hi\u1ec7n x\u00e2m nh\u1eadp v\u00e0 b\u1ea3o v\u1ec7 ch\u1ed1ng malware. Vi\u1ec7c s\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m antivirus c\u0169ng l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng trong vi\u1ec7c b\u1ea3o v\u1ec7 kh\u1ecfi c\u00e1c ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i tr\u00ean email.<\/p>\n\n\n\n

      9. S\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m di\u1ec7t virut ( anivirus )<\/strong><\/p>\n\n\n

      \n
      \"\"<\/figure>\n<\/div>\n\n\n

      S\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m antivirus c\u0169ng l\u00e0 m\u1ed9t trong nh\u1eefng bi\u1ec7n ph\u00e1p quan tr\u1ecdng trong vi\u1ec7c b\u1ea3o m\u1eadt email cho doanh nghi\u1ec7p. Ph\u1ea7n m\u1ec1m antivirus gi\u00fap ng\u0103n ch\u1eb7n v\u00e0 ph\u00e1t hi\u1ec7n c\u00e1c ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i, virus, trojan v\u00e0 c\u00e1c m\u1ed1i \u0111e d\u1ecda kh\u00e1c c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i trong c\u00e1c t\u1eadp tin \u0111\u00ednh k\u00e8m v\u00e0 li\u00ean k\u1ebft trong email.<\/p>\n\n\n\n

      M\u1ed9t s\u1ed1 ph\u1ea7n m\u1ec1m antivirus doanh nghi\u1ec7p hay d\u00f9ng : Sophos endpoint, AVG, Kaspersky , Avast.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

      T\u1ed5ng quan : B\u1ea3o m\u1eadt email lu\u00f4n l\u00e0 m\u1ed9t trong nh\u1eefng v\u1ea5n \u0111\u1ec1 quan tr\u1ecdng v\u00e0 c\u1ea5p b\u00e1ch trong th\u1ebf gi\u1edbi k\u1ef9 thu\u1eadt s\u1ed1 ng\u00e0y nay. Trong m\u00f4i tr\u01b0\u1eddng tr\u1ef1c tuy\u1ebfn ph\u1ee9c t\u1ea1p, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ea5n c\u00f4ng email ng\u00e0y c\u00e0ng tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn v\u00e0 tinh vi h\u01a1n, khi\u1ebfn cho vi\u1ec7c b\u1ea3o v\u1ec7 th\u00f4ng 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