{"id":8549,"date":"2023-10-29T13:36:17","date_gmt":"2023-10-29T06:36:17","guid":{"rendered":"https:\/\/vacif.com\/?p=8549"},"modified":"2023-10-29T13:36:17","modified_gmt":"2023-10-29T06:36:17","slug":"tam-quan-trong-cua-giam-sat-mang-va-phat-hien-xam-nhap","status":"publish","type":"post","link":"https:\/\/vacif.com\/en\/tam-quan-trong-cua-giam-sat-mang-va-phat-hien-xam-nhap\/","title":{"rendered":"T\u1ea6M QUAN TR\u1eccNG C\u1ee6A GI\u00c1M S\u00c1T M\u1ea0NG V\u00c0 PH\u00c1T HI\u1ec6N X\u00c2M NH\u1eacP"},"content":{"rendered":"\n<p><strong>T\u1ed5ng quan :<\/strong><\/p>\n\n\n\n<p>N\u1ebfu b\u1ea1n kh\u00f4ng gi\u00e1m s\u00e1t l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng c\u1ee7a m\u00ecnh, b\u1ea1n c\u00f3 th\u1ec3 b\u1ecf l\u1ee1 th\u00f4ng tin quan tr\u1ecdng c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n c\u1ea3i thi\u1ec7n t\u00ecnh h\u00ecnh b\u1ea3o m\u1eadt c\u1ee7a m\u00ecnh. Gi\u00e1m s\u00e1t m\u1ea1ng l\u00e0 vi\u1ec7c ph\u00e2n t\u00edch d\u1eef li\u1ec7u t\u1eeb c\u00e1c ngu\u1ed3n kh\u00e1c nhau \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c m\u1ed1i \u0111e d\u1ecda ho\u1eb7c l\u1ed7 h\u1ed5ng ti\u1ec1m n\u0103ng, v\u00e0 m\u1ee5c ti\u00eau l\u00e0 ph\u00e1t hi\u1ec7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng tr\u01b0\u1edbc khi ch\u00fang x\u1ea3y ra.<\/p>\n\n\n\n<p>Vi\u1ec7c gi\u00e1m s\u00e1t l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng c\u1ee7a b\u1ea1n l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 b\u1ea3o v\u1ec7 t\u1ed5 ch\u1ee9c c\u1ee7a b\u1ea1n kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng m\u1ea1ng. Ngo\u00e0i vi\u1ec7c ph\u00e1t hi\u1ec7n c\u00e1c ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c h\u1ea1i, Gi\u00e1m s\u00e1t M\u1ea1ng c\u0169ng gi\u00fap b\u1ea1n qu\u1ea3n l\u00fd c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u00f4ng ngh\u1ec7 th\u00f4ng tin c\u1ee7a b\u1ea1n m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n<p><strong>M\u1ee5c l\u1ee5c :<\/strong><\/p>\n\n\n\n<p><strong>1. Gi\u00e1m s\u00e1t m\u1ea1ng l\u00e0 g\u00ec?<\/strong><\/p>\n\n\n\n<p><strong>2. Gi\u00e1m s\u00e1t m\u1ea1ng ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/p>\n\n\n\n<p><strong>3. C\u00e1c lo\u1ea1i gi\u1ea3i ph\u00e1p gi\u00e1m s\u00e1t m\u1ea1ng<\/strong><\/p>\n\n\n\n<p><strong>4. T\u1ea1i sao Gi\u00e1m s\u00e1t m\u1ea1ng l\u1ea1i quan tr\u1ecdng?<\/strong><\/p>\n\n\n\n<p><strong>5. L\u1ee3i \u00edch h\u00e0ng \u0111\u1ea7u c\u1ee7a gi\u00e1m s\u00e1t m\u1ea1ng<\/strong><\/p>\n\n\n\n<p><strong>6. Ch\u01b0\u01a1ng tr\u00ecnh gi\u00e1m s\u00e1t m\u1ea1ng<\/strong><\/p>\n\n\n\n<p><strong>N\u1ed9i dung b\u00e0i vi\u1ebft :<\/strong><\/p>\n\n\n\n<p><strong>1. Gi\u00e1m s\u00e1t m\u1ea1ng l\u00e0 g\u00ec?<\/strong><\/p>\n\n\n\n<p>Gi\u00e1m s\u00e1t m\u1ea1ng l\u00e0 qu\u00e1 tr\u00ecnh quan s\u00e1t v\u00e0 ph\u00e2n t\u00edch m\u1ed9t m\u1ea1ng m\u00e1y t\u00ednh. C\u00e1c c\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t m\u1ea1ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 theo d\u00f5i c\u00e1c kh\u00eda c\u1ea1nh kh\u00e1c nhau c\u1ee7a m\u1ea1ng m\u00e1y t\u00ednh, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u00f4 h\u00ecnh l\u01b0u l\u01b0\u1ee3ng, t\u00ednh s\u1eb5n c\u00f3 c\u1ee7a d\u1ecbch v\u1ee5, c\u00e1c ch\u1ec9 s\u1ed1 hi\u1ec7u su\u1ea5t, v.v. Thu\u1eadt ng\u1eef &#8220;gi\u00e1m s\u00e1t m\u1ea1ng&#8221; \u0111\u1ec1 c\u1eadp \u0111\u1ebfn b\u1ea5t k\u1ef3 ho\u1ea1t \u0111\u1ed9ng n\u00e0o theo d\u00f5i m\u1ea1ng m\u00e1y t\u00ednh \u0111\u1ec3 ph\u00e1t hi\u1ec7n x\u00e2m nh\u1eadp ho\u1eb7c c\u00e1c bi\u1ec3u hi\u1ec7n b\u1ea5t th\u01b0\u1eddng kh\u00e1c.<\/p>\n\n\n\n<p><strong>M\u1ed9t qu\u1ea3n tr\u1ecb m\u1ea1ng s\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m gi\u00e1m s\u00e1t m\u1ea1ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c nhi\u1ec7m v\u1ee5 qu\u1ea3n l\u00fd m\u1ea1ng. C\u00e1c nhi\u1ec7m v\u1ee5 n\u00e0y bao g\u1ed3m:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ph\u00e1t hi\u1ec7n c\u00e1c v\u1ea5n \u0111\u1ec1 trong m\u1ea1ng<\/li>\n\n\n\n<li>X\u00e1c \u0111\u1ecbnh c\u00e1c m\u1ed1i \u0111e d\u1ecda ti\u1ec1m n\u0103ng<\/li>\n\n\n\n<li>X\u00e1c \u0111\u1ecbnh xem m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng c\u00f3 \u0111ang di\u1ec5n ra hay kh\u00f4ng<\/li>\n\n\n\n<li>\u0110\u00e1nh gi\u00e1 t\u00e1c \u0111\u1ed9ng c\u1ee7a cu\u1ed9c t\u1ea5n c\u00f4ng<\/li>\n\n\n\n<li>Theo d\u00f5i c\u00e1c thay \u0111\u1ed5i tr\u00ean m\u1ea1ng<\/li>\n\n\n\n<li>Ph\u00e2n t\u00edch xu h\u01b0\u1edbng s\u1eed d\u1ee5ng<\/li>\n\n\n\n<li>Sao l\u01b0u c\u00e1c b\u1ea3n ghi (logs)<\/li>\n\n\n\n<li>C\u1ea3nh b\u00e1o v\u1ec1 ho\u1ea1t \u0111\u1ed9ng b\u1ea5t th\u01b0\u1eddng<\/li>\n<\/ul>\n\n\n\n<p><strong>2. Gi\u00e1m s\u00e1t m\u1ea1ng ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/p>\n\n\n\n<p>Gi\u00e1m s\u00e1t m\u1ea1ng li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m \u0111\u1ec3 quan s\u00e1t v\u00e0 ph\u00e2n t\u00edch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c m\u00e1y t\u00ednh k\u1ebft n\u1ed1i v\u00e0o m\u1ea1ng. Ph\u1ea7n m\u1ec1m n\u00e0y ghi l\u1ea1i th\u00f4ng tin t\u1eeb m\u1ed7i thi\u1ebft b\u1ecb, bao g\u1ed3m ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3, ng\u01b0\u1eddi n\u00f3 giao ti\u1ebfp v\u1edbi, v\u00e0 \u0111\u00edch \u0111\u1ebfn c\u1ee7a n\u00f3. Qu\u1ea3n tr\u1ecb m\u1ea1ng sau \u0111\u00f3 ph\u00e2n t\u00edch th\u00f4ng tin n\u00e0y \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh xem c\u00f3 v\u1ea5n \u0111\u1ec1 n\u00e0o t\u1ed3n t\u1ea1i hay kh\u00f4ng.<\/p>\n\n\n\n<p>C\u00f3 hai lo\u1ea1i ch\u00ednh c\u1ee7a c\u00e1c gi\u1ea3i ph\u00e1p Gi\u00e1m s\u00e1t M\u1ea1ng: ch\u1ebf \u0111\u1ed9 b\u00e1m theo (passive) v\u00e0 ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng (active). C\u00e1c gi\u1ea3i ph\u00e1p ch\u1ebf \u0111\u1ed9 b\u00e1m theo thu th\u1eadp d\u1eef li\u1ec7u m\u00e0 kh\u00f4ng can thi\u1ec7p tr\u1ef1c ti\u1ebfp v\u00e0o c\u00e1c thi\u1ebft b\u1ecb. C\u00e1c gi\u1ea3i ph\u00e1p ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng s\u1eed d\u1ee5ng c\u00e1c b\u1ed9 \u0111i\u1ec1u tra \u0111\u1ec3 gi\u00e1m s\u00e1t m\u1ea1ng v\u00e0 g\u1eedi d\u1eef li\u1ec7u tr\u1edf l\u1ea1i. C\u00e1c gi\u1ea3i ph\u00e1p ch\u1ebf \u0111\u1ed9 b\u00e1m theo th\u01b0\u1eddng r\u1ebb h\u01a1n so v\u1edbi ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng v\u00ec ch\u00fang kh\u00f4ng \u0111\u00f2i h\u1ecfi ph\u1ea7n c\u1ee9ng b\u1ed5 sung . Ch\u00fang c\u0169ng can thi\u1ec7p v\u00e0o ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng c\u1ee7a m\u1ea1ng.<\/p>\n\n\n\n<p><strong>3. C\u00e1c lo\u1ea1i gi\u1ea3i ph\u00e1p gi\u00e1m s\u00e1t m\u1ea1ng<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"555\" src=\"https:\/\/assets.vacif.com\/2023\/10\/image-262.png\" alt=\"\" class=\"wp-image-8581\" style=\"aspect-ratio:1.8018018018018018;width:751px;height:auto\" srcset=\"https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/10\/image-262.png 1000w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/10\/image-262-600x333.png 600w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/10\/image-262-300x167.png 300w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/10\/image-262-768x426.png 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n<\/div>\n\n\n<ul class=\"wp-block-list\">\n<li>H\u1ec7 th\u1ed1ng ph\u00e1t hi\u1ec7n x\u00e2m nh\u1eadp (IDS)<\/li>\n\n\n\n<li>H\u1ec7 th\u1ed1ng ng\u0103n ch\u1eb7n x\u00e2m nh\u1eadp d\u1ef1a tr\u00ean m\u00e1y ch\u1ee7 (HIPS)<\/li>\n\n\n\n<li>M\u00e1y ch\u1ee7 t\u01b0\u1eddng l\u1eeda\/Proxy (Sophos)<\/li>\n\n\n\n<li>T\u1ea7ng \u1ee9ng d\u1ee5ng (Application layer gateways)<\/li>\n\n\n\n<li>T\u01b0\u1eddng l\u1eeda \u1ee9ng d\u1ee5ng web (Web application firewalls)<\/li>\n\n\n\n<li>Ph\u00e2n t\u00edch h\u00e0nh vi m\u1ea1ng (NBA &#8211; Network behavior analysis)<\/li>\n\n\n\n<li>H\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd nh\u1eadt k\u00fd (Log management systems)<\/li>\n\n\n\n<li>Gi\u00e1m s\u00e1t tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng (User experience monitoring)<\/li>\n\n\n\n<li>Gi\u00e1m s\u00e1t hi\u1ec7u su\u1ea5t (Performance monitoring)<\/li>\n\n\n\n<li>Qu\u1ea3n l\u00fd s\u1ef1 ki\u1ec7n b\u1ea3o m\u1eadt (Security event management)<\/li>\n\n\n\n<li>Gi\u00e1m s\u00e1t t\u00edch h\u1ee3p t\u1ec7p tin (File integrity monitoring)<\/li>\n\n\n\n<li>B\u1ea3o v\u1ec7 kh\u1ecfi ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i (Malware protection)<\/li>\n<\/ul>\n\n\n\n<p><strong>4. T\u1ea1i sao Gi\u00e1m s\u00e1t m\u1ea1ng l\u1ea1i quan tr\u1ecdng?<\/strong><\/p>\n\n\n\n<p>C\u00e1c gi\u1ea3i ph\u00e1p gi\u00e1m s\u00e1t m\u1ea1ng quan s\u00e1t c\u00e1c m\u1ea1ng trong th\u1eddi gian th\u1ef1c. Vi\u1ec7c gi\u1ea3m th\u1eddi gian ph\u00e1t hi\u1ec7n v\u1ea5n \u0111\u1ec1 l\u00e0 r\u1ea5t quan tr\u1ecdng trong vi\u1ec7c kh\u1eafc ph\u1ee5c c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 hi\u1ec7u su\u1ea5t. B\u1ea1n s\u1ebd c\u0169ng bi\u1ebft v\u1ec1 m\u1ecdi v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn hi\u1ec7u su\u1ea5t tr\u00ean m\u1ea1ng c\u1ee7a b\u1ea1n, \u0111\u1eb7c bi\u1ec7t l\u00e0 nh\u1eefng v\u1ea5n \u0111\u1ec1 kh\u00f4ng th\u1ec3 ph\u00e1t hi\u1ec7n b\u1edfi c\u00e1c nh\u00f3m qu\u1ea3n tr\u1ecb m\u1ea1ng. B\u1ea1n n\u00ean c\u0169ng n\u1eafm r\u00f5 v\u1ec1 m\u1ecdi v\u1ea5n \u0111\u1ec1 v\u1ec1 hi\u1ec7u su\u1ea5t. B\u1ea1n n\u00ean nh\u1eadn th\u1ea5y b\u1ea5t k\u1ef3 v\u1ea5n \u0111\u1ec1 hi\u1ec7u su\u1ea5t n\u00e0o \u0111ang l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t c\u1ee7a m\u1ea1ng c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<p>C\u00e1c lo\u1ea1i ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i ph\u1ed5 bi\u1ebfn bao g\u1ed3m virus, spyware, adware, trojans, rootkits, dialers, keyloggers, worms, ti\u1ec7n \u00edch m\u1edf r\u1ed9ng tr\u00ecnh duy\u1ec7t \u0111\u1ed9c h\u1ea1i v\u00e0 ph\u1ea7n m\u1ec1m b\u1ea3o m\u1eadt gi\u1ea3 m\u1ea1o. C\u00e1c trang web \u0111\u1ed9c h\u1ea1i c\u00f3 th\u1ec3 c\u1ed1 g\u1eafng l\u1eeba ng\u01b0\u1eddi d\u00f9ng \u0111\u1ec3 t\u1ea3i xu\u1ed1ng c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh ho\u1eb7c m\u1edf c\u00e1c t\u1ec7p. Nh\u1eefng ch\u01b0\u01a1ng tr\u00ecnh n\u00e0y th\u01b0\u1eddng ch\u1ee9a m\u00e3 \u0111\u1ed9c h\u1ea1i c\u00f3 th\u1ec3 g\u00e2y h\u1ecfng h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y t\u00ednh, l\u1ea5y th\u00f4ng tin c\u00e1 nh\u00e2n ho\u1eb7c cho ph\u00e9p hacker truy c\u1eadp v\u00e0o t\u00e0i kho\u1ea3n ng\u00e2n h\u00e0ng c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<p><strong>5. L\u1ee3i \u00edch h\u00e0ng \u0111\u1ea7u c\u1ee7a gi\u00e1m s\u00e1t m\u1ea1ng<\/strong><\/p>\n\n\n\n<p>Gi\u00e1m s\u00e1t m\u1ea1ng cung c\u1ea5p kh\u1ea3 n\u0103ng quan s\u00e1t m\u1ea1ng c\u1ee7a b\u1ea1n, cho ph\u00e9p b\u1ea1n x\u00e1c \u0111\u1ecbnh c\u00e1c m\u1ed1i \u0111e d\u1ecda ti\u1ec1m n\u0103ng tr\u01b0\u1edbc khi ch\u00fang x\u1ea3y ra. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng th\u00f4ng tin n\u00e0y \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p \u0111\u1ec3 gi\u1ea3m thi\u1ec3u b\u1ea5t k\u1ef3 r\u1ee7i ro n\u00e0o c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n. V\u00ed d\u1ee5, n\u1ebfu c\u00f3 d\u1ea5u hi\u1ec7u cho th\u1ea5y m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng \u0111ang di\u1ec5n ra, b\u1ea1n c\u00f3 th\u1ec3 t\u1eaft c\u00e1c d\u1ecbch v\u1ee5 b\u1ecb \u1ea3nh h\u01b0\u1edfng cho \u0111\u1ebfn khi an to\u00e0n \u0111\u1ec3 ti\u1ebfp t\u1ee5c ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n\n\n<p><strong>5.1 Ph\u00e1t hi\u1ec7n s\u1ef1 x\u00e2m nh\u1eadp trong th\u1eddi gian th\u1ef1c<\/strong><\/p>\n\n\n\n<p>Gi\u00e1m s\u00e1t m\u1ea1ng gi\u00fap ph\u00e1t hi\u1ec7n x\u00e2m nh\u1eadp trong th\u1eddi gian th\u1ef1c. Khi c\u00f3 m\u1ed1i \u0111e d\u1ecda x\u1ea3y ra, b\u1ea1n c\u00f3 th\u1ec3 ngay l\u1eadp t\u1ee9c ph\u1ea3n \u1ee9ng b\u1eb1ng c\u00e1ch th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p \u0111\u1ec3 ng\u0103n ch\u1eb7n ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c h\u1ea1i. Gi\u00e1m s\u00e1t c\u0169ng cho ph\u00e9p b\u1ea1n x\u00e1c \u0111\u1ecbnh ngu\u1ed3n t\u1ea5n c\u00f4ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh nh\u1eefng bi\u1ec7n ph\u00e1p c\u1ea7n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ec3 b\u1ea3o v\u1ec7 kh\u1ecfi c\u00e1c s\u1ef1 c\u1ed1 trong t\u01b0\u01a1ng lai.<\/p>\n\n\n\n<p><strong>5.2 Gi\u1ea3m th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch ph\u00e1t hi\u1ec7n s\u1ef1 c\u1ed1 tr\u01b0\u1edbc khi ch\u00fang x\u1ea3y ra<\/strong><\/p>\n\n\n\n<p>S\u1ef1 gi\u00e1n \u0111o\u1ea1n do s\u1ef1 c\u1ed1 m\u00e1y t\u00ednh g\u00e2y ra kh\u00f4ng ch\u1ec9 t\u1ed1n k\u00e9m m\u00e0 c\u00f2n m\u1ea5t th\u1eddi gian. S\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 Gi\u00e1m s\u00e1t m\u1ea1ng c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u th\u1eddi gian gi\u00e1n \u0111o\u1ea1n do s\u1ef1 c\u1ed1 m\u00e1y t\u00ednh g\u00e2y ra. N\u1ebfu x\u1ea3y ra v\u1ea5n \u0111\u1ec1, b\u1ea1n c\u00f3 th\u1ec3 nhanh ch\u00f3ng x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n, kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 v\u00e0 kh\u00f4i ph\u1ee5c ho\u1ea1t \u0111\u1ed9ng c\u00e0ng s\u1edbm c\u00e0ng t\u1ed1t.<\/p>\n\n\n\n<p><strong>5.3 C\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 n\u0103ng su\u1ea5t<\/strong><\/p>\n\n\n\n<p>Gi\u00e1m s\u00e1t m\u1ea1ng c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 n\u0103ng su\u1ea5t b\u1eb1ng c\u00e1ch cung c\u1ea5p kh\u1ea3 n\u0103ng nh\u00ecn th\u1ea5y ho\u1ea1t \u0111\u1ed9ng kinh doanh c\u1ee7a b\u1ea1n. B\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng xem x\u00e9t n\u01a1i m\u00e0 t\u00e0i nguy\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3 nh\u1ea5t th\u00f4ng qua c\u00e1c b\u00e1o c\u00e1o chi ti\u1ebft. H\u01a1n n\u1eefa, b\u1ea1n c\u00f3 th\u1ec3 gi\u00e1m s\u00e1t m\u1ea1ng c\u1ee7a m\u00ecnh 24\/7 m\u00e0 kh\u00f4ng c\u1ea7n ki\u1ec3m tra t\u1eebng thi\u1ebft b\u1ecb th\u1ee7 c\u00f4ng.<\/p>\n\n\n\n<p><strong>5.4 B\u1ea3o v\u1ec7 t\u1ed5 ch\u1ee9c c\u1ee7a b\u1ea1n kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng m\u1ea1ng<\/strong><\/p>\n\n\n\n<p>C\u00e1c vi\u1ec7c x\u00e2m nh\u1eadp v\u00e0o h\u1ec7 th\u1ed1ng b\u1ea3o m\u1eadt m\u1ea1ng \u0111\u00e3 tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn h\u01a1n bao gi\u1edd h\u1ebft. C\u00e1c hacker m\u1ee5c ti\u00eau \u0111\u1ebfn c\u00e1c c\u00f4ng ty h\u00e0ng ng\u00e0y, t\u00ecm ki\u1ebfm c\u00e1c \u0111i\u1ec3m y\u1ebfu \u0111\u1ec3 ti\u1ebfn h\u00e0nh x\u00e2m nh\u1eadp. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 Gi\u00e1m s\u00e1t M\u1ea1ng, b\u1ea1n c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh b\u1ea5t k\u1ef3 \u0111i\u1ec3m y\u1ebfu n\u00e0o trong m\u1ea1ng c\u1ee7a b\u1ea1n, l\u00e0m cho vi\u1ec7c hacker ti\u1ebfn h\u00e0nh truy c\u1eadp tr\u00e1i ph\u00e9p tr\u1edf n\u00ean kh\u00f3 kh\u0103n h\u01a1n.<\/p>\n\n\n\n<p><strong>5.5 Ki\u1ec3m so\u00e1t t\u1ed1t h\u01a1n h\u1ec7 th\u1ed1ng m\u1ea1ng c\u1ee7a b\u1ea1n<\/strong><\/p>\n\n\n\n<p>V\u1edbi gi\u00e1m s\u00e1t m\u1ea1ng, b\u1ea1n c\u00f3 th\u1ec3 c\u00f3 ki\u1ec3m so\u00e1t t\u1ed1t h\u01a1n \u0111\u1ed1i v\u1edbi m\u1ea1ng c\u1ee7a b\u1ea1n. B\u1ea1n c\u00f3 th\u1ec3 xem l\u01b0u l\u01b0\u1ee3ng tr\u00ean m\u1ea1ng c\u1ee7a b\u1ea1n, theo d\u00f5i ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 th\u1eadm ch\u00ed c\u00f3 th\u1ec3 ch\u1eb7n c\u00e1c \u0111\u1ecba ch\u1ec9 IP c\u1ee5 th\u1ec3 kh\u1ecfi truy c\u1eadp v\u00e0o c\u00e1c d\u1ecbch v\u1ee5 c\u1ee5 th\u1ec3.<\/p>\n\n\n\n<p><strong>5.6 Gi\u1ea3m chi ph\u00ed v\u1eadn h\u00e0nh<\/strong><\/p>\n\n\n\n<p>Gi\u00e1m s\u00e1t m\u1ea1ng gi\u1ea3m thi\u1ec3u chi ph\u00ed v\u1eadn h\u00e0nh b\u1eb1ng c\u00e1ch gi\u00fap b\u1ea1n ph\u00e1t hi\u1ec7n v\u1ea5n \u0111\u1ec1 tr\u01b0\u1edbc khi ch\u00fang x\u1ea3y ra. V\u00ed d\u1ee5, n\u1ebfu m\u1ed9t nh\u00e2n vi\u00ean v\u00f4 t\u00ecnh x\u00f3a c\u00e1c t\u1ec7p quan tr\u1ecdng, b\u1ea1n c\u00f3 th\u1ec3 ngay l\u1eadp t\u1ee9c t\u00ecm hi\u1ec3u ng\u01b0\u1eddi l\u00e0m v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p \u0111\u1ec3 ng\u0103n ch\u1eb7n th\u00eam h\u1ecfng h\u00f3c.<\/p>\n\n\n\n<p><strong>5.7 Ng\u0103n ng\u1eeba m\u1ea5t d\u1eef li\u1ec7u do c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng \u0111\u1ed9c h\u1ea1i<\/strong><\/p>\n\n\n\n<p>Gi\u00e1m s\u00e1t M\u1ea1ng gi\u00fap b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng \u0111\u1ed9c h\u1ea1i. Khi m\u1ed9t hacker truy c\u1eadp m\u1ea1ng c\u1ee7a b\u1ea1n m\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p, h\u1ecd c\u00f3 th\u1ec3 c\u1ed1 g\u1eafng l\u1ea5y \u0111i th\u00f4ng tin qu\u00fd b\u00e1u. B\u1ea1n c\u1ea7n \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ea1ng c\u1ee7a b\u1ea1n lu\u00f4n \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt v\u00e0 an to\u00e0n. Ph\u1ea7n m\u1ec1m Gi\u00e1m s\u00e1t M\u1ea1ng cho ph\u00e9p b\u1ea1n ki\u1ec3m tra m\u1ea1ng c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n<p><strong>6. Ch\u01b0\u01a1ng tr\u00ecnh gi\u00e1m s\u00e1t m\u1ea1ng<\/strong><\/p>\n\n\n\n<p>Nhi\u1ec1u th\u01b0\u01a1ng hi\u1ec7u n\u1ed5i ti\u1ebfng th\u1ebf gi\u1edbi nh\u01b0 Sophos, kaspersky , AVG<\/p>\n\n\n\n<p>Sophos n\u1ed5i tr\u1ed9i v\u1edbi nhi\u1ec1u gi\u1ea3i ph\u00e1p security to\u00e0n di\u1ec7n t\u1ea1o n\u00ean m\u1ed9t h\u1ec7 sinh th\u00e1i \u0111a d\u1ea1ng v\u00e0 r\u1ea5t \u0111\u00e1ng tin c\u1eady bao g\u1ed3m  : ph\u1ea7n c\u1ee9ng thi\u1ebft b\u1ecb Sophos firewall , ph\u1ea7n m\u1ec1m Endpoint , gi\u1ea3i ph\u00e1p gi\u00e1m s\u00e1t trong th\u1eddi gian th\u1ef1c NDR, Sophos Central gi\u1ea3i ph\u00e1p tr\u00ean Cloud n\u01a1i qu\u1ea3n l\u00fd t\u1eadp trung c\u00e1c gi\u1ea3i ph\u00e1p thi\u1ebft b\u1ecb tr\u00ean.<\/p>\n\n\n\n<p>Gi\u1ea3i ph\u00e1p b\u1ea3o v\u1ec7 theo th\u1eddi gian th\u1ef1c c\u1ee7a NDR Sophos<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"594\" src=\"https:\/\/assets.vacif.com\/2023\/10\/image-263-1024x594.png\" alt=\"\" class=\"wp-image-8582\" style=\"aspect-ratio:1.7239057239057238;width:748px;height:auto\" srcset=\"https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/10\/image-263-1024x594.png 1024w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/10\/image-263-600x348.png 600w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/10\/image-263-300x174.png 300w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/10\/image-263-768x445.png 768w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/10\/image-263.png 1128w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>T\u1ed5ng quan : N\u1ebfu b\u1ea1n kh\u00f4ng gi\u00e1m s\u00e1t l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng c\u1ee7a m\u00ecnh, b\u1ea1n c\u00f3 th\u1ec3 b\u1ecf l\u1ee1 th\u00f4ng tin quan tr\u1ecdng c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n c\u1ea3i thi\u1ec7n t\u00ecnh h\u00ecnh b\u1ea3o m\u1eadt c\u1ee7a m\u00ecnh. Gi\u00e1m s\u00e1t m\u1ea1ng l\u00e0 vi\u1ec7c ph\u00e2n t\u00edch d\u1eef li\u1ec7u t\u1eeb c\u00e1c ngu\u1ed3n kh\u00e1c nhau \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c m\u1ed1i \u0111e d\u1ecda [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":8583,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"","ocean_second_sidebar":"","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"","ocean_custom_header_template":"","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"","ocean_menu_typo_font_family":"","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"","ocean_post_oembed":"","ocean_post_self_hosted_media":"","ocean_post_video_embed":"","ocean_link_format":"","ocean_link_format_target":"self","ocean_quote_format":"","ocean_quote_format_link":"post","ocean_gallery_link_images":"on","ocean_gallery_id":[],"footnotes":""},"categories":[18,17],"tags":[344,345,97],"class_list":["post-8549","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-endpoint","category-bao-mat","tag-giam-sat-mang","tag-ndr","tag-sophos-endpoint","entry","has-media"],"_links":{"self":[{"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/posts\/8549","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/comments?post=8549"}],"version-history":[{"count":0,"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/posts\/8549\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/media\/8583"}],"wp:attachment":[{"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/media?parent=8549"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/categories?post=8549"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/tags?post=8549"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}