{"id":9484,"date":"2022-09-29T10:10:00","date_gmt":"2022-09-29T03:10:00","guid":{"rendered":"https:\/\/w2.vacif.com\/?p=916"},"modified":"2024-06-24T03:51:30","modified_gmt":"2024-06-24T03:51:30","slug":"email-security-la-gi","status":"publish","type":"post","link":"https:\/\/vacif.com\/en\/email-security-la-gi\/","title":{"rendered":"Email Security l\u00e0 g\u00ec?"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\"><strong>1.Email Security l\u00e0 g\u00ec?<\/strong><\/h1>\n\n\n\n<p>B\u1ea3o m\u1eadt email l\u00e0 qu\u00e1 tr\u00ecnh \u0111\u1ea3m b\u1ea3o t\u00ednh s\u1eb5n c\u00f3, t\u00ednh to\u00e0n v\u1eb9n v\u00e0 t\u00ednh x\u00e1c th\u1ef1c c\u1ee7a th\u00f4ng tin li\u00ean l\u1ea1c qua email b\u1eb1ng c\u00e1ch b\u1ea3o v\u1ec7 kh\u1ecfi nguy c\u01a1 b\u1ecb \u0111e d\u1ecda qua email.<\/p>\n\n\n\n<p>Email cho ph\u00e9p h\u00e0ng t\u1ef7 ng\u01b0\u1eddi v\u00e0 t\u1ed5 ch\u1ee9c \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i giao ti\u1ebfp v\u1edbi nhau \u0111\u1ec3 g\u1eedi tin nh\u1eafn. Email l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a c\u00e1ch Internet \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, v\u00e0 n\u00f3 t\u1eeb l\u00e2u \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ee5c ti\u00eau c\u1ee7a c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng.<\/p>\n\n\n\n<p>K\u1ec3 t\u1eeb nh\u1eefng ng\u00e0y \u0111\u1ea7u ti\u00ean c\u1ee7a email, n\u00f3 \u0111\u00e3 b\u1ecb l\u1ea1m d\u1ee5ng v\u00e0 s\u1eed d\u1ee5ng sai theo nhi\u1ec1u c\u00e1ch kh\u00e1c nhau v\u1edbi kh\u00f4ng \u00edt c\u00e1c m\u1ed1i \u0111e d\u1ecda qua email. L\u1ea1m d\u1ee5ng email bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Phising email<\/li>\n\n\n\n<li>Spoofing<\/li>\n\n\n\n<li>Spam Phishing<\/li>\n\n\n\n<li>Malware delivery<\/li>\n\n\n\n<li>Business Email Compromise (BEC)<\/li>\n\n\n\n<li>Denial of service (DoS) attacks<\/li>\n<\/ul>\n\n\n\n<p>B\u1ea3o m\u1eadt email l\u00e0 m\u1ed9t thu\u1eadt ng\u1eef \u0111\u1ec3 m\u00f4 t\u1ea3 c\u00e1c quy tr\u00ecnh v\u00e0 k\u1ef9 thu\u1eadt kh\u00e1c nhau \u0111\u1ec3 b\u1ea3o v\u1ec7 t\u00e0i kho\u1ea3n email, n\u1ed9i dung v\u00e0 th\u00f4ng tin li\u00ean l\u1ea1c ch\u1ed1ng l\u1ea1i s\u1ef1 truy c\u1eadp tr\u00e1i ph\u00e9p, m\u1ea5t m\u00e1t ho\u1eb7c x\u00e2m ph\u1ea1m.<\/p>\n\n\n\n<p>Email th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e1t t\u00e1n ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i , th\u01b0 r\u00e1c v\u00e0 c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u1eeba \u0111\u1ea3o. Nh\u1eefng k\u1ebb t\u1ea5n c\u00f4ng s\u1eed d\u1ee5ng c\u00e1c th\u00f4ng \u0111i\u1ec7p l\u1eeba \u0111\u1ea3o \u0111\u1ec3 l\u00f4i k\u00e9o ng\u01b0\u1eddi nh\u1eadn chia s\u1ebb th\u00f4ng tin nh\u1ea1y c\u1ea3m, m\u1edf t\u1ec7p \u0111\u00ednh k\u00e8m ho\u1eb7c nh\u1ea5p v\u00e0o c\u00e1c si\u00eau li\u00ean k\u1ebft c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i tr\u00ean thi\u1ebft b\u1ecb c\u1ee7a n\u1ea1n nh\u00e2n.<\/p>\n\n\n\n<p>Email c\u0169ng l\u00e0 m\u1ed9t \u0111i\u1ec3m truy c\u1eadp ph\u1ed5 bi\u1ebfn cho nh\u1eefng k\u1ebb t\u1ea5n c\u00f4ng t\u00ecm c\u00e1ch \u0111\u1ea1t \u0111\u01b0\u1ee3c ch\u1ed7 \u0111\u1ee9ng trong m\u1ea1ng doanh nghi\u1ec7p v\u00e0 l\u1ea5y d\u1eef li\u1ec7u c\u00f4ng ty c\u00f3 gi\u00e1 tr\u1ecb.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>2.B\u1ea3o m\u1eadt email nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/h1>\n\n\n\n<p>Theo m\u1eb7c \u0111\u1ecbnh, email kh\u00f4ng an to\u00e0n v\u00ec nhi\u1ec1u l\u00fd do kh\u00e1c nhau.<\/p>\n\n\n\n<p>Vi\u1ec7c tri\u1ec3n khai ban \u0111\u1ea7u c\u1ee7a c\u00e1c giao th\u1ee9c email, bao g\u1ed3m giao th\u1ee9c SMTP , IMAP v\u00e0 POP3 , kh\u00f4ng b\u1eaft bu\u1ed9c s\u1eed d\u1ee5ng c\u00e1c c\u01a1 ch\u1ebf truy\u1ec1n t\u1ea3i an to\u00e0n, ch\u1eb3ng h\u1ea1n nh\u01b0 Secure Socket Layer ( SSL ) v\u00e0 Transport Layer Security ( TLS ). Do \u0111\u00f3, c\u00e1c k\u1ebft n\u1ed1i \u0111\u1ebfn v\u00e0 \u0111i t\u1eeb m\u1ed9t m\u00e1y ch\u1ee7 email kh\u00f4ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n qua m\u1ed9t \u0111\u01b0\u1eddng h\u1ea7m \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a, c\u00f3 ngh\u0129a l\u00e0 b\u1ea5t k\u1ef3 ai c\u0169ng c\u00f3 th\u1ec3 \u0111\u1ecdc \u0111\u01b0\u1ee3c m\u1ed9t th\u01b0 b\u1ecb ch\u1eb7n.<\/p>\n\n\n\n<p>Th\u00eam v\u00e0o \u0111\u00f3, c\u00e1c th\u00f4ng \u0111i\u1ec7p email th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean c\u00e1c m\u00e1y ch\u1ee7 email \u1edf \u0111\u1ecbnh d\u1ea1ng kh\u00f4ng \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a. Qu\u1ea3n tr\u1ecb vi\u00ean h\u1ec7 th\u1ed1ng c\u00f3 quy\u1ec1n truy c\u1eadp v\u00e0o m\u00e1y ch\u1ee7 email kh\u00f4ng \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a c\u00f3 th\u1ec3 c\u00f3 quy\u1ec1n truy c\u1eadp \u0111\u1ec3 \u0111\u1ecdc b\u1ea5t k\u1ef3 email n\u00e0o. T\u00e0i kho\u1ea3n email ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 c\u00f3 th\u1ec3 an to\u00e0n nh\u01b0 m\u00e1y ch\u1ee7 l\u01b0u tr\u1eef email.<\/p>\n\n\n\n<p>Ph\u00eda ng\u01b0\u1eddi d\u00f9ng c\u1ee7a email l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c kh\u00e1c th\u1ec3 hi\u1ec7n s\u1ef1 kh\u00f4ng an to\u00e0n v\u1ed1n c\u00f3 c\u1ee7a n\u00f3. Quy\u1ec1n truy c\u1eadp v\u00e0o t\u00e0i kho\u1ea3n email c\u1ee7a ng\u01b0\u1eddi d\u00f9ng th\u01b0\u1eddng ch\u1ec9 \u0111\u01b0\u1ee3c b\u1ea3o m\u1eadt b\u1eb1ng t\u00ean ng\u01b0\u1eddi d\u00f9ng v\u00e0 m\u1eadt kh\u1ea9u, \u0111i\u1ec1u n\u00e0y th\u01b0\u1eddng kh\u00f4ng \u0111\u1ee7 \u0111\u1ec3 \u0111\u1ed1i ph\u00f3 v\u1edbi c\u00e1c m\u1ed1i \u0111e d\u1ecda email hi\u1ec7n \u0111\u1ea1i. V\u1edbi s\u1ed1 l\u01b0\u1ee3ng vi ph\u1ea1m d\u1eef li\u1ec7u ti\u1ebfp t\u1ee5c gia t\u0103ng n\u0103m n\u00e0y qua n\u0103m kh\u00e1c, ng\u00e0y c\u00e0ng nhi\u1ec1u th\u00f4ng tin \u0111\u0103ng nh\u1eadp email \u0111\u00e3 b\u1ecb r\u00f2 r\u1ec9 ra c\u00e1c trang web c\u00f4ng khai. Nh\u1eefng k\u1ebb t\u1ea5n c\u00f4ng \u0111\u00f4i khi c\u00f3 th\u1ec3 ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 t\u00ecm th\u1ea5y th\u00f4ng tin \u0111\u0103ng nh\u1eadp c\u1ee7a ng\u01b0\u1eddi d\u00f9ng cho c\u00e1c d\u1ecbch v\u1ee5 email t\u1eeb c\u00e1c v\u1ee5 vi ph\u1ea1m d\u1eef li\u1ec7u c\u00f4ng khai. C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng b\u1ea1o l\u1ef1c v\u00e0 \u0111o\u00e1n m\u1eadt kh\u1ea9u c\u0169ng l\u00e0 m\u1ed9t nguy c\u01a1 \u0111\u1ed1i v\u1edbi c\u00e1ch ti\u1ebfp c\u1eadn t\u00ean ng\u01b0\u1eddi d\u00f9ng \/ m\u1eadt kh\u1ea9u \u0111\u1ec3 truy c\u1eadp email.<\/p>\n\n\n\n<p>Email kh\u00f4ng an to\u00e0n c\u0169ng \u0111\u1ebfn t\u1eeb vi\u1ec7c thi\u1ebfu t\u00ednh x\u00e1c th\u1ef1c \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o. Nh\u1eefng k\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 gi\u1ea3 m\u1ea1o m\u1ed9t \u0111\u1ecba ch\u1ec9 email v\u00e0 l\u00e0m cho n\u00f3 c\u00f3 v\u1ebb nh\u01b0 l\u00e0 m\u1ed9t email gi\u1ea3 \u0111\u1ebfn t\u1eeb m\u1ed9t \u0111\u1ecba ch\u1ec9 h\u1ee3p ph\u00e1p. Vi\u1ec7c thi\u1ebfu t\u00ednh x\u00e1c th\u1ef1c c\u1ee7a email l\u00e0 m\u1ed9t chi\u1ebfn thu\u1eadt ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c n\u1ed7 l\u1ef1c l\u1eeba \u0111\u1ea3o, c\u0169ng nh\u01b0 c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u1eeba \u0111\u1ea3o b\u1eb1ng th\u01b0 r\u00e1c nh\u1eb1m t\u1ea1o ra m\u1ed9t m\u1ea1ng l\u01b0\u1edbi r\u1ed9ng l\u1edbn h\u01a1n \u0111\u1ec3 thu h\u00fat nh\u1eefng n\u1ea1n nh\u00e2n kh\u00f4ng nghi ng\u1edd nh\u1ea5p v\u00e0o.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>3.T\u1ea1i sao b\u1ea3o m\u1eadt email l\u1ea1i quan tr\u1ecdng?<\/strong><\/h1>\n\n\n\n<p>Email \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 li\u00ean l\u1ea1c kinh doanh v\u00e0 th\u01b0\u1eddng l\u00e0 y\u1ebfu t\u1ed1 n\u1ec1n t\u1ea3ng c\u1ee7a ho\u1ea1t \u0111\u1ed9ng CNTT c\u1ee7a m\u1ed9t t\u1ed5 ch\u1ee9c v\u00e0 kh\u1ea3 n\u0103ng giao ti\u1ebfp c\u1ea3 b\u00ean trong v\u00e0 b\u00ean ngo\u00e0i c\u00f4ng ty.<\/p>\n\n\n\n<p>R\u1ee7i ro \u0111\u1ed1i v\u1edbi email, ch\u1eb3ng h\u1ea1n nh\u01b0 thi\u1ebfu quy\u1ec1n truy c\u1eadp do t\u1ea5n c\u00f4ng DoS, c\u00f3 th\u1ec3 h\u1ea1n ch\u1ebf kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng kinh doanh c\u1ee7a m\u1ed9t doanh nghi\u1ec7p. Th\u01b0 r\u00e1c, l\u00e0 m\u1ed9t m\u1ed1i \u0111e d\u1ecda email quan tr\u1ecdng kh\u00e1c, c\u00f3 th\u1ec3 c\u00f3 t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c \u0111\u1ebfn doanh nghi\u1ec7p, bao g\u1ed3m vi\u1ec7c l\u1ea5p \u0111\u1ea7y h\u1ed9p th\u01b0 \u0111\u1ebfn v\u1edbi th\u00f4ng tin v\u00f4 \u00edch v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng d\u1eabn \u0111\u1ebfn c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u1eeba \u0111\u1ea3o.<\/p>\n\n\n\n<p>Email c\u0169ng c\u00f3 th\u1ec3 th\u01b0\u1eddng bao g\u1ed3m d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m ch\u1ec9 d\u00e0nh cho ng\u01b0\u1eddi nh\u1eadn email. N\u1ebfu kh\u00f4ng c\u00f3 b\u1ea3o m\u1eadt email, th\u00f4ng tin nh\u1ea1y c\u1ea3m c\u00f3 th\u1ec3 b\u1ecb r\u00f2 r\u1ec9 cho m\u1ed9t th\u1ef1c th\u1ec3 tr\u00e1i ph\u00e9p.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>4.B\u1ea3o m\u1eadt email mang l\u1ea1i l\u1ee3i \u00edch g\u00ec cho doanh nghi\u1ec7p?<\/strong><\/h1>\n\n\n\n<p>Khi h\u1ea7u h\u1ebft c\u00e1c t\u1ed5 ch\u1ee9c ti\u1ebfp t\u1ee5c d\u1ef1a v\u00e0o email cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng kinh doanh, c\u00e1c c\u00f4ng ngh\u1ec7 b\u1ea3o m\u1eadt email v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t mang l\u1ea1i m\u1ed9t s\u1ed1 l\u1ee3i \u00edch quan tr\u1ecdng cho doanh nghi\u1ec7p thu\u1ed9c m\u1ecdi quy m\u00f4, bao g\u1ed3m nh\u1eefng \u0111i\u1ec1u sau:<\/p>\n\n\n\n<p><strong>T\u00ednh s\u1eb5n s\u00e0ng<\/strong>. \u1ede c\u1ea5p \u0111\u1ed9 c\u01a1 b\u1ea3n nh\u1ea5t, b\u1ea3o m\u1eadt email c\u00f3 th\u1ec3 gi\u00fap \u0111\u1ea3m b\u1ea3o t\u00ednh kh\u1ea3 d\u1ee5ng li\u00ean t\u1ee5c c\u1ee7a c\u00e1c d\u1ecbch v\u1ee5 email \u0111\u1ec3 doanh nghi\u1ec7p c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c giao ti\u1ebfp v\u1edbi nh\u00e2n vi\u00ean v\u00e0 kh\u00e1ch h\u00e0ng c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n<p><strong>T\u00ednh x\u00e1c th\u1ef1c<\/strong>. C\u00f3 s\u1eb5n c\u00e1c bi\u1ec7n ph\u00e1p x\u00e1c th\u1ef1c email c\u00f3 th\u1ec3 gi\u00fap t\u1ea1o ni\u1ec1m tin cho t\u1ed5 ch\u1ee9c v\u00e0 ng\u01b0\u1eddi d\u00f9ng c\u1ee7a t\u1ed5 ch\u1ee9c r\u1eb1ng email \u0111\u1ebfn t\u1eeb mi\u1ec1n c\u1ee7a t\u1ed5 ch\u1ee9c \u0111\u00f3 l\u00e0 x\u00e1c th\u1ef1c.<\/p>\n\n\n\n<p><strong>Ph\u00f2ng ch\u1ed1ng gian l\u1eadn<\/strong>. Kh\u1ea3 n\u0103ng x\u00e1c \u0111\u1ecbnh c\u00e1c r\u1ee7i ro b\u1ea3o m\u1eadt email ti\u1ec1m \u1ea9n, ch\u1eb3ng h\u1ea1n nh\u01b0 gi\u1ea3 m\u1ea1o, c\u00f3 th\u1ec3 gi\u00fap t\u1ed5 ch\u1ee9c gi\u1ea3m c\u01a1 h\u1ed9i gian l\u1eadn.<\/p>\n\n\n\n<p><strong>Ph\u00f2ng ch\u1ed1ng ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i<\/strong>. M\u1ed9t b\u1ed9 kh\u1ea3 n\u0103ng b\u1ea3o m\u1eadt th\u00edch h\u1ee3p \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng tr\u00ean n\u1ec1n t\u1ea3ng email c\u00f3 th\u1ec3 h\u1ea1n ch\u1ebf r\u1ee7i ro do ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i truy\u1ec1n qua email.<\/p>\n\n\n\n<p><strong>B\u1ea3o v\u1ec7 ch\u1ed1ng l\u1eeba \u0111\u1ea3o<\/strong>. C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u1eeba \u0111\u1ea3o c\u00f3 th\u1ec3 l\u1eeba nh\u00e2n vi\u00ean c\u1ee7a m\u1ed9t doanh nghi\u1ec7p nh\u1ea5p v\u00e0o li\u00ean k\u1ebft ho\u1eb7c t\u1ea3i xu\u1ed1ng nh\u1eefng th\u1ee9 c\u00f3 th\u1ec3 g\u00e2y h\u1ea1i v\u00e0 d\u1eabn \u0111\u1ebfn ti\u1ebft l\u1ed9 th\u00f4ng tin v\u00e0 \u0111\u00e1nh c\u1eafp th\u00f4ng tin x\u00e1c th\u1ef1c.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1.Email Security l\u00e0 g\u00ec? B\u1ea3o m\u1eadt email l\u00e0 qu\u00e1 tr\u00ecnh \u0111\u1ea3m b\u1ea3o t\u00ednh s\u1eb5n c\u00f3, t\u00ednh to\u00e0n v\u1eb9n v\u00e0 t\u00ednh x\u00e1c th\u1ef1c c\u1ee7a th\u00f4ng tin li\u00ean l\u1ea1c qua email b\u1eb1ng c\u00e1ch b\u1ea3o v\u1ec7 kh\u1ecfi nguy c\u01a1 b\u1ecb \u0111e d\u1ecda qua email. Email cho ph\u00e9p h\u00e0ng t\u1ef7 ng\u01b0\u1eddi v\u00e0 t\u1ed5 ch\u1ee9c \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i giao ti\u1ebfp 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