{"id":6759,"date":"2023-07-14T15:54:09","date_gmt":"2023-07-14T08:54:09","guid":{"rendered":"https:\/\/vacif.com\/?p=6759"},"modified":"2023-07-14T15:54:09","modified_gmt":"2023-07-14T08:54:09","slug":"top-10-cach-bao-ve-he-thong-mang-khoi-ransomware","status":"publish","type":"post","link":"https:\/\/vacif.com\/en\/top-10-cach-bao-ve-he-thong-mang-khoi-ransomware\/","title":{"rendered":"TOP 10 C\u00c1CH B\u1ea2O V\u1ec6 H\u1ec6 TH\u1ed0NG M\u1ea0NG KH\u1eceI RANSOMWARE."},"content":{"rendered":"\n<p>M\u1ed9t b\u00e1o c\u00e1o t\u1eeb Cybersecurity Ventures \u01b0\u1edbc t\u00ednh c\u1ee9 11 gi\u00e2y l\u1ea1i c\u00f3 m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng ransomware v\u00e0o n\u0103m 2021, g\u00e2y thi\u1ec7t h\u1ea1i g\u1ea7n 20 t\u1ef7 USD. C\u00e1c k\u1ebf ho\u1ea1ch t\u1ed1ng ti\u1ec1n n\u00e0y th\u01b0\u1eddng nh\u1eafm m\u1ee5c ti\u00eau \u0111\u1ebfn c\u00e1c c\u00e1 nh\u00e2n ho\u1eb7c doanh nghi\u1ec7p c\u00f3 nhi\u1ec1u kh\u1ea3 n\u0103ng tr\u1ea3 s\u1ed1 ti\u1ec1n \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u \u0111\u1ec3 kh\u00f4i ph\u1ee5c d\u1eef li\u1ec7u c\u1ee7a h\u1ecd.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi nhi\u1ec1u c\u00f4ng ty, d\u1eef li\u1ec7u \u0111\u00f3 l\u00e0 t\u00e0i s\u1ea3n qu\u00fd gi\u00e1 nh\u1ea5t m\u00e0 h\u1ecd s\u1edf h\u1eefu. M\u1ea5t n\u00f3 c\u00f3 th\u1ec3 c\u00f3 ngh\u0129a l\u00e0 thi\u1ec7t h\u1ea1i kh\u00f4ng th\u1ec3 \u0111\u1ea3o ng\u01b0\u1ee3c c\u00f3 th\u1ec3 l\u00e0m t\u00ea li\u1ec7t to\u00e0n b\u1ed9 ho\u1ea1t \u0111\u1ed9ng. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 lu\u00f4n ch\u1ee7 \u0111\u1ed9ng v\u1edbi c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 ch\u1ed1ng ph\u1ea7n m\u1ec1m t\u1ed1ng ti\u1ec1n t\u1ed1t nh\u1ea5t tr\u01b0\u1edbc khi c\u00e1c m\u1ed1i \u0111e d\u1ecda ti\u1ec1m t\u00e0ng c\u00f3 c\u01a1 h\u1ed9i t\u1eadn d\u1ee5ng. <\/p>\n\n\n\n<p><strong>1.Ph\u1ea7n m\u1ec1m t\u1ed1ng ti\u1ec1n (ransomware) l\u00e0 g\u00ec?<\/strong><\/p>\n\n\n\n<p>Ransomware l\u00e0 m\u1ed9t lo\u1ea1i ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i ph\u1ee9c t\u1ea1p c\u00f3 th\u1ec3 l\u00e2y nhi\u1ec5m m\u00e1y t\u00ednh v\u00e0 sau \u0111\u00f3 gi\u1eef d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m ho\u1eb7c th\u00f4ng tin nh\u1eadn d\u1ea1ng c\u00e1 nh\u00e2n l\u00e0m con tin cho \u0111\u1ebfn khi tr\u1ea3 ph\u00ed ho\u1eb7c &#8220;ti\u1ec1n chu\u1ed9c&#8221;. T\u1ed9i ph\u1ea1m m\u1ea1ng th\u01b0\u1eddng s\u1eed d\u1ee5ng kh\u00f3a m\u00e3 h\u00f3a nh\u1ecb ph\u00e2n \u0111\u1ec3 h\u1ea1n ch\u1ebf quy\u1ec1n truy c\u1eadp d\u1eef li\u1ec7u nh\u1eb1m t\u1ed1ng ti\u1ec1n n\u1ea1n nh\u00e2n.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"500\" src=\"https:\/\/aws.vacif.com\/wp-content\/uploads\/sites\/3\/2023\/07\/image-111.png\" alt=\"\" class=\"wp-image-6763\" srcset=\"https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-111.png 700w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-111-600x429.png 600w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-111-300x214.png 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/figure>\n<\/div>\n\n\n<p>C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng ransomware c\u00f3 th\u1ec3 \u0111\u1eb7c bi\u1ec7t nguy hi\u1ec3m \u0111\u1ed1i v\u1edbi c\u00e1c doanh nghi\u1ec7p, b\u1ec7nh vi\u1ec7n, tr\u01b0\u1eddng h\u1ecdc ho\u1eb7c c\u00e1c t\u1ed5 ch\u1ee9c kh\u00e1c d\u1ef1a v\u00e0o th\u00f4ng tin \u0111\u00f3 \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng h\u00e0ng ng\u00e0y. Trong h\u1ea7u h\u1ebft c\u00e1c tr\u01b0\u1eddng h\u1ee3p, vi\u1ec7c kh\u00f4ng tr\u1ea3 ti\u1ec1n chu\u1ed9c c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn m\u1ea5t v\u0129nh vi\u1ec5n ho\u1eb7c l\u1ed9 d\u1eef li\u1ec7u b\u00ed m\u1eadt.<\/p>\n\n\n\n<p><strong>2. C\u00e1c lo\u1ea1i Ransomware<\/strong><\/p>\n\n\n\n<p>C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng ransomware c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn b\u1ea5t k\u1ef3 ai, t\u1eeb ng\u01b0\u1eddi d\u00f9ng c\u00e1 nh\u00e2n \u0111\u1ebfn c\u00e1c t\u1eadp \u0111o\u00e0n l\u1edbn. Lo\u1ea1i ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i n\u00e0y c\u00f3 th\u1ec3 kh\u00f3a c\u00e1c t\u1ec7p ri\u00eang l\u1ebb, ch\u1eb3ng h\u1ea1n nh\u01b0 t\u00e0i li\u1ec7u ho\u1eb7c h\u00ecnh \u1ea3nh, \u0111\u1ed1i v\u1edbi to\u00e0n b\u1ed9 c\u01a1 s\u1edf d\u1eef li\u1ec7u, d\u1eabn \u0111\u1ebfn vi ph\u1ea1m d\u1eef li\u1ec7u l\u1edbn ho\u1eb7c l\u00e0m l\u1ed9 th\u00f4ng tin c\u00e1 nh\u00e2n, nh\u1ea1y c\u1ea3m.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"568\" height=\"319\" src=\"https:\/\/aws.vacif.com\/wp-content\/uploads\/sites\/3\/2023\/07\/image-119.png\" alt=\"\" class=\"wp-image-6771\" srcset=\"https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-119.png 568w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-119-300x168.png 300w\" sizes=\"auto, (max-width: 568px) 100vw, 568px\" \/><\/figure>\n<\/div>\n\n\n<p><strong>C\u00f3 b\u1ed1n lo\u1ea1i ransomware ch\u00ednh:<\/strong><\/p>\n\n\n\n<p><strong>Encryption:<\/strong> M\u00e3 h\u00f3a l\u00e0 lo\u1ea1i ransomware ph\u1ed5 bi\u1ebfn nh\u1ea5t, m\u00e3 h\u00f3a d\u1eef li\u1ec7u v\u00e0 kh\u00f4ng th\u1ec3 m\u1edf kh\u00f3a n\u1ebfu kh\u00f4ng c\u00f3 kh\u00f3a gi\u1ea3i m\u00e3.<\/p>\n\n\n\n<p><strong>Lockers:<\/strong> Lockers h\u1ea1n ch\u1ebf vi\u1ec7c s\u1eed d\u1ee5ng m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n, khi\u1ebfn m\u00e1y t\u00ednh kh\u00f4ng th\u1ec3 ho\u1ea1t \u0111\u1ed9ng ho\u1eb7c s\u1eed d\u1ee5ng c\u00e1c ch\u1ee9c n\u0103ng c\u01a1 b\u1ea3n cho \u0111\u1ebfn khi tr\u1ea3 ti\u1ec1n chu\u1ed9c.<\/p>\n\n\n\n<p><strong>Scareware:<\/strong> Scareware c\u1ed1 g\u1eafng d\u1ecda ng\u01b0\u1eddi d\u00f9ng mua ph\u1ea7n m\u1ec1m kh\u00f4ng c\u1ea7n thi\u1ebft. Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, c\u1eeda s\u1ed5 b\u1eadt l\u00ean s\u1ebd tr\u00e0n ng\u1eadp m\u00e0n h\u00ecnh, bu\u1ed9c ng\u01b0\u1eddi d\u00f9ng ph\u1ea3i tr\u1ea3 ti\u1ec1n \u0111\u1ec3 x\u00f3a ch\u00fang.<\/p>\n\n\n\n<p><strong>Doxware\/Leakware:<\/strong> Doxware ho\u1eb7c ph\u1ea7n m\u1ec1m r\u00f2 r\u1ec9 s\u1ebd \u0111e d\u1ecda l\u00e0m r\u00f2 r\u1ec9 th\u00f4ng tin c\u00e1 nh\u00e2n ho\u1eb7c c\u00f4ng ty tr\u1eeb khi tr\u1ea3 ti\u1ec1n ph\u1ea1t.<\/p>\n\n\n\n<p><strong>3. C\u00e1ch \u0111\u1ec3 b\u1ea3o v\u1ec7 h\u1ec7 th\u1ed1ng m\u1ea1ng kh\u1ecfi ransomeware<\/strong><\/p>\n\n\n\n<p>C\u00f3 nhi\u1ec1u c\u00e1ch \u0111\u1ec3 b\u1ea3o v\u1ec7 b\u1ea1n kh\u1ecfi b\u1ecb nhi\u1ec5m m\u00e3 \u0111\u1ed9c t\u1ed1ng ti\u1ec1n. Do c\u00f4ng ngh\u1ec7 kh\u00f4ng ng\u1eebng ph\u00e1t tri\u1ec3n n\u00ean \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i tu\u00e2n theo c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt m\u1ea1ng c\u01a1 b\u1ea3n v\u00e0 lu\u00f4n ch\u1ee7 \u0111\u1ed9ng \u0111\u1ec3 b\u1ea1n kh\u00f4ng bao gi\u1edd \u0111\u1eb7t b\u1ea3n th\u00e2n ho\u1eb7c doanh nghi\u1ec7p c\u1ee7a m\u00ecnh v\u00e0o nguy c\u01a1 g\u1eb7p ph\u1ea3i b\u1ea5t k\u1ef3 m\u1ed1i \u0111e d\u1ecda n\u00e0o c\u1ee7a m\u00e3 \u0111\u1ed9c t\u1ed1ng ti\u1ec1n.<\/p>\n\n\n\n<p><strong>3.1 Sao l\u01b0u d\u1eef li\u1ec7u<\/strong><\/p>\n\n\n\n<p>Sao l\u01b0u d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n v\u00e0o \u1ed5 c\u1ee9ng ngo\u00e0i ho\u1eb7c m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng bi\u1ec7n ph\u00e1p gi\u1ea3m thi\u1ec3u r\u1ee7i ro d\u1ec5 d\u00e0ng nh\u1ea5t. Trong tr\u01b0\u1eddng h\u1ee3p b\u1ecb ransomware t\u1ea5n c\u00f4ng, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 x\u00f3a s\u1ea1ch m\u00e1y t\u00ednh v\u00e0 c\u00e0i \u0111\u1eb7t l\u1ea1i c\u00e1c t\u1ec7p sao l\u01b0u. L\u00fd t\u01b0\u1edfng nh\u1ea5t l\u00e0 c\u00e1c t\u1ed5 ch\u1ee9c n\u00ean sao l\u01b0u d\u1eef li\u1ec7u quan tr\u1ecdng nh\u1ea5t c\u1ee7a h\u1ecd \u00edt nh\u1ea5t m\u1ed9t l\u1ea7n m\u1ed7i ng\u00e0y.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"870\" height=\"480\" src=\"https:\/\/aws.vacif.com\/wp-content\/uploads\/sites\/3\/2023\/07\/image-112.png\" alt=\"\" class=\"wp-image-6764\" srcset=\"https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-112.png 870w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-112-600x331.png 600w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-112-300x166.png 300w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-112-768x424.png 768w\" sizes=\"auto, (max-width: 870px) 100vw, 870px\" \/><\/figure>\n<\/div>\n\n\n<p>M\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn ph\u1ed5 bi\u1ebfn \u0111\u1ec3 l\u00e0m theo l\u00e0 quy t\u1eafc 3-2-1. C\u1ed1 g\u1eafng gi\u1eef 3 b\u1ea3n sao d\u1eef li\u1ec7u ri\u00eang bi\u1ec7t c\u1ee7a b\u1ea1n tr\u00ean 2 lo\u1ea1i l\u01b0u tr\u1eef kh\u00e1c nhau. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 th\u00eam m\u1ed9t b\u01b0\u1edbc n\u1eefa v\u00e0o quy tr\u00ecnh b\u1eb1ng c\u00e1ch th\u00eam m\u1ed9t b\u1ea3n sao n\u1eefa tr\u00ean m\u00e1y ch\u1ee7 l\u01b0u tr\u1eef \u0111\u00e1m m\u00e2y.<\/p>\n\n\n\n<p><strong>3.2 Lu\u00f4n c\u1eadp nh\u1eadt t\u1ea5t c\u1ea3 c\u00e1c h\u1ec7 th\u1ed1ng v\u00e0 ph\u1ea7n m\u1ec1m<\/strong><\/p>\n\n\n\n<p>Lu\u00f4n c\u1eadp nh\u1eadt h\u1ec7 \u0111i\u1ec1u h\u00e0nh, tr\u00ecnh duy\u1ec7t web, ph\u1ea7n m\u1ec1m ch\u1ed1ng vi-r\u00fat v\u00e0 b\u1ea5t k\u1ef3 ph\u1ea7n m\u1ec1m n\u00e0o kh\u00e1c m\u00e0 b\u1ea1n s\u1eed d\u1ee5ng l\u00ean phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t hi\u1ec7n c\u00f3. Ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i, vi-r\u00fat v\u00e0 ph\u1ea7n m\u1ec1m t\u1ed1ng ti\u1ec1n kh\u00f4ng ng\u1eebng ph\u00e1t tri\u1ec3n v\u1edbi c\u00e1c bi\u1ebfn th\u1ec3 m\u1edbi c\u00f3 th\u1ec3 v\u01b0\u1ee3t qua c\u00e1c t\u00ednh n\u0103ng b\u1ea3o m\u1eadt c\u0169 c\u1ee7a b\u1ea1n, v\u00ec v\u1eady b\u1ea1n s\u1ebd mu\u1ed1n \u0111\u1ea3m b\u1ea3o m\u1ecdi th\u1ee9 \u0111\u1ec1u \u0111\u01b0\u1ee3c v\u00e1 l\u1ed7i v\u00e0 c\u1eadp nh\u1eadt.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"647\" src=\"https:\/\/aws.vacif.com\/wp-content\/uploads\/sites\/3\/2023\/07\/image-113.png\" alt=\"\" class=\"wp-image-6765\" srcset=\"https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-113.png 1000w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-113-600x388.png 600w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-113-300x194.png 300w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-113-768x497.png 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n<\/div>\n\n\n<p>Nhi\u1ec1u k\u1ebb t\u1ea5n c\u00f4ng nh\u1eafm v\u00e0o c\u00e1c doanh nghi\u1ec7p l\u1edbn h\u01a1n d\u1ef1a tr\u00ean c\u00e1c h\u1ec7 th\u1ed1ng c\u0169 \u0111\u00e3 l\u1ed7i th\u1eddi ch\u01b0a \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt trong m\u1ed9t th\u1eddi gian. C\u00f3 l\u1ebd v\u1ee5 t\u1ea5n c\u00f4ng ransomware kh\u00e9t ti\u1ebfng nh\u1ea5t x\u1ea3y ra v\u00e0o n\u0103m 2017 khi ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i WannaCry l\u00e0m t\u00ea li\u1ec7t c\u00e1c t\u1eadp \u0111o\u00e0n l\u1edbn tr\u00ean th\u1ebf gi\u1edbi. N\u00f3 th\u1eadm ch\u00ed c\u00f2n bu\u1ed9c c\u00e1c b\u1ec7nh vi\u1ec7n NHS \u1edf V\u01b0\u01a1ng qu\u1ed1c Anh, c\u00f4ng ty vi\u1ec5n th\u00f4ng T\u00e2y Ban Nha Telef\u00f3nica v\u00e0 nh\u00e0 cung c\u1ea5p chip Apple C\u00f4ng ty s\u1ea3n xu\u1ea5t ch\u1ea5t b\u00e1n d\u1eabn \u0110\u00e0i Loan (TSMC) ph\u1ea3i ng\u1eebng ho\u1ea1t \u0111\u1ed9ng trong b\u1ed1n ng\u00e0y. T\u1ed5ng c\u1ed9ng, h\u01a1n 230.000 m\u00e1y t\u00ednh tr\u00ean to\u00e0n c\u1ea7u \u0111\u00e3 b\u1ecb \u1ea3nh h\u01b0\u1edfng.<\/p>\n\n\n\n<p>Cu\u1ed9c t\u1ea5n c\u00f4ng nh\u1eafm v\u00e0o c\u00e1c m\u00e1y t\u00ednh c\u00f3 phi\u00ean b\u1ea3n Microsoft Windows l\u1ed7i th\u1eddi. M\u1eb7c d\u00f9 m\u1ed9t b\u1ea3n v\u00e1 \u0111\u01b0\u1ee3c ph\u00e1t h\u00e0nh g\u1ea7n \u0111\u00e2y c\u00f3 th\u1ec3 ng\u0103n ch\u1eb7n s\u1ef1 l\u00e2y lan c\u1ee7a ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i, nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng v\u00e0 t\u1ed5 ch\u1ee9c \u0111\u00e3 ch\u1eadm c\u1eadp nh\u1eadt v\u00e0 k\u1ebft qu\u1ea3 l\u00e0 tr\u1edf th\u00e0nh n\u1ea1n nh\u00e2n c\u1ee7a tr\u00f2 l\u1eeba \u0111\u1ea3o. K\u1ec3 t\u1eeb s\u1ef1 c\u1ed1 n\u00e0y, c\u00e1c chuy\u00ean gia b\u1ea3o m\u1eadt tr\u00ean to\u00e0n th\u1ebf gi\u1edbi \u0111\u00e3 k\u00eau g\u1ecdi c\u00e1c c\u00f4ng ty c\u1eadp nh\u1eadt h\u1ec7 th\u1ed1ng c\u1ee7a h\u1ecd c\u00e0ng s\u1edbm c\u00e0ng t\u1ed1t.<\/p>\n\n\n\n<p><strong>3.3 C\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m ch\u1ed1ng vi-r\u00fat v\u00e0 t\u01b0\u1eddng l\u1eeda<\/strong><\/p>\n\n\n\n<p>Ph\u1ea7n m\u1ec1m ch\u1ed1ng vi-r\u00fat v\u00e0 ch\u1ed1ng ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i to\u00e0n di\u1ec7n l\u00e0 nh\u1eefng c\u00e1ch ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u1ec3 b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i ph\u1ea7n m\u1ec1m t\u1ed1ng ti\u1ec1n. Ph\u1ea7n m\u1ec1m c\u00f3 th\u1ec3 qu\u00e9t, ph\u00e1t hi\u1ec7n v\u00e0 \u1ee9ng ph\u00f3 v\u1edbi c\u00e1c m\u1ed1i \u0111e d\u1ecda tr\u00ean m\u1ea1ng. Tuy nhi\u00ean, b\u1ea1n c\u0169ng c\u1ea7n c\u1ea5u h\u00ecnh t\u01b0\u1eddng l\u1eeda c\u1ee7a m\u00ecnh v\u00ec ph\u1ea7n m\u1ec1m ch\u1ed1ng vi-r\u00fat ch\u1ec9 ho\u1ea1t \u0111\u1ed9ng \u1edf c\u1ea5p n\u1ed9i b\u1ed9 v\u00e0 ch\u1ec9 c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n cu\u1ed9c t\u1ea5n c\u00f4ng khi n\u00f3 \u0111\u00e3 c\u00f3 trong h\u1ec7 th\u1ed1ng.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"404\" src=\"https:\/\/aws.vacif.com\/wp-content\/uploads\/sites\/3\/2023\/07\/image-114.png\" alt=\"\" class=\"wp-image-6766\" srcset=\"https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-114.png 768w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-114-600x316.png 600w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-114-300x158.png 300w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n<\/div>\n\n\n<p>T\u01b0\u1eddng l\u1eeda th\u01b0\u1eddng l\u00e0 tuy\u1ebfn ph\u00f2ng th\u1ee7 \u0111\u1ea7u ti\u00ean ch\u1ed1ng l\u1ea1i m\u1ecdi cu\u1ed9c t\u1ea5n c\u00f4ng t\u1eeb b\u00ean ngo\u00e0i \u0111\u1ebfn. N\u00f3 c\u00f3 th\u1ec3 b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i c\u1ea3 c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng d\u1ef1a tr\u00ean ph\u1ea7n m\u1ec1m v\u00e0 ph\u1ea7n c\u1ee9ng. T\u01b0\u1eddng l\u1eeda r\u1ea5t c\u1ea7n thi\u1ebft cho b\u1ea5t k\u1ef3 m\u1ea1ng doanh nghi\u1ec7p ho\u1eb7c m\u1ea1ng ri\u00eang n\u00e0o v\u00ec ch\u00fang c\u00f3 th\u1ec3 l\u1ecdc v\u00e0 ch\u1eb7n c\u00e1c g\u00f3i d\u1eef li\u1ec7u \u0111\u00e1ng ng\u1edd x\u00e2m nh\u1eadp v\u00e0o h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n<p><strong>Tip:<\/strong> H\u00e3y c\u1ea9n th\u1eadn v\u1edbi c\u00e1c c\u1ea3nh b\u00e1o ph\u00e1t hi\u1ec7n vi-r\u00fat gi\u1ea3 m\u1ea1o! Nhi\u1ec1u c\u1ea3nh b\u00e1o gi\u1ea3 m\u1ea1o gi\u1ea3 v\u1edd l\u00e0 t\u1eeb ph\u1ea7n m\u1ec1m ch\u1ed1ng vi-r\u00fat c\u1ee7a b\u1ea1n, \u0111\u1eb7c bi\u1ec7t l\u00e0 qua email ho\u1eb7c c\u1eeda s\u1ed5 b\u1eadt l\u00ean c\u1ee7a trang web. KH\u00d4NG nh\u1ea5p v\u00e0o b\u1ea5t k\u1ef3 li\u00ean k\u1ebft n\u00e0o cho \u0111\u1ebfn khi b\u1ea1n x\u00e1c minh tr\u1ef1c ti\u1ebfp th\u00f4ng qua ph\u1ea7n m\u1ec1m ch\u1ed1ng vi-r\u00fat.<\/p>\n\n\n\n<p><strong>3.4 Ph\u00e2n \u0111o\u1ea1n m\u1ea1ng<\/strong><\/p>\n\n\n\n<p>V\u00ec ph\u1ea7n m\u1ec1m t\u1ed1ng ti\u1ec1n c\u00f3 th\u1ec3 l\u00e2y lan nhanh ch\u00f3ng trong m\u1ea1ng n\u00ean \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i h\u1ea1n ch\u1ebf s\u1ef1 l\u00e2y lan c\u00e0ng nhi\u1ec1u c\u00e0ng t\u1ed1t trong tr\u01b0\u1eddng h\u1ee3p b\u1ecb t\u1ea5n c\u00f4ng. Vi\u1ec7c tri\u1ec3n khai ph\u00e2n \u0111o\u1ea1n m\u1ea1ng s\u1ebd chia m\u1ea1ng th\u00e0nh nhi\u1ec1u m\u1ea1ng nh\u1ecf h\u01a1n \u0111\u1ec3 t\u1ed5 ch\u1ee9c c\u00f3 th\u1ec3 c\u00f4 l\u1eadp ph\u1ea7n m\u1ec1m t\u1ed1ng ti\u1ec1n v\u00e0 ng\u0103n kh\u00f4ng cho n\u00f3 l\u00e2y lan sang c\u00e1c h\u1ec7 th\u1ed1ng kh\u00e1c.<\/p>\n\n\n\n<p>M\u1ed7i h\u1ec7 th\u1ed1ng con ri\u00eang l\u1ebb ph\u1ea3i c\u00f3 c\u00e1c bi\u1ec7n ph\u00e1p ki\u1ec3m so\u00e1t b\u1ea3o m\u1eadt, t\u01b0\u1eddng l\u1eeda v\u00e0 quy\u1ec1n truy c\u1eadp duy nh\u1ea5t \u0111\u1ec3 ng\u0103n ph\u1ea7n m\u1ec1m t\u1ed1ng ti\u1ec1n ti\u1ebfp c\u1eadn d\u1eef li\u1ec7u m\u1ee5c ti\u00eau. Quy\u1ec1n truy c\u1eadp \u0111\u01b0\u1ee3c ph\u00e2n \u0111o\u1ea1n kh\u00f4ng ch\u1ec9 ng\u0103n ch\u1eb7n s\u1ef1 l\u00e2y lan sang m\u1ea1ng ch\u00ednh m\u00e0 c\u00f2n gi\u00fap nh\u00f3m b\u1ea3o m\u1eadt c\u00f3 th\u00eam th\u1eddi gian x\u00e1c \u0111\u1ecbnh, c\u00f4 l\u1eadp v\u00e0 lo\u1ea1i b\u1ecf m\u1ed1i \u0111e d\u1ecda.<\/p>\n\n\n\n<p><strong>3.5 B\u1ea3o v\u1ec7 Email<\/strong><\/p>\n\n\n\n<p>Tr\u01b0\u1edbc \u0111\u00e2y, c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u1eeba \u0111\u1ea3o qua email l\u00e0 nguy\u00ean nh\u00e2n h\u00e0ng \u0111\u1ea7u d\u1eabn \u0111\u1ebfn l\u00e2y nhi\u1ec5m ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i. V\u00e0o n\u0103m 2020, 54% nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 (MSP) b\u00e1o c\u00e1o l\u1eeba \u0111\u1ea3o (phishing) l\u00e0 ph\u01b0\u01a1ng th\u1ee9c ph\u00e2n ph\u1ed1i ransomware h\u00e0ng \u0111\u1ea7u. M\u1ed9t b\u00e1o c\u00e1o kh\u00e1c do C\u1ee5c \u0110i\u1ec1u tra Li\u00ean bang (FBI) c\u00f4ng b\u1ed1 \u0111\u00e3 li\u1ec7t k\u00ea c\u00e1c v\u1ee5 l\u1eeba \u0111\u1ea3o qua m\u1ea1ng l\u00e0 t\u1ed9i ph\u1ea1m m\u1ea1ng h\u00e0ng \u0111\u1ea7u v\u00e0o n\u0103m 2020, d\u1eabn \u0111\u1ebfn thi\u1ec7t h\u1ea1i ho\u1eb7c tr\u1ed9m c\u1eafp h\u01a1n 4,2 t\u1ef7 USD.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"628\" height=\"353\" src=\"https:\/\/aws.vacif.com\/wp-content\/uploads\/sites\/3\/2023\/07\/image-116.png\" alt=\"\" class=\"wp-image-6768\" srcset=\"https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-116.png 628w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-116-600x337.png 600w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-116-300x169.png 300w\" sizes=\"auto, (max-width: 628px) 100vw, 628px\" \/><\/figure>\n<\/div>\n\n\n<p>C\u00f3 m\u1ed9t s\u1ed1 c\u00e1ch kh\u00e1c nhau m\u00e0 ransomware c\u00f3 th\u1ec3 l\u00e2y nhi\u1ec5m cho ng\u01b0\u1eddi d\u00f9ng qua email:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T\u1ea3i xu\u1ed1ng c\u00e1c t\u1ec7p \u0111\u00ednh k\u00e8m email \u0111\u00e1ng ng\u1edd<\/li>\n\n\n\n<li>Nh\u1ea5p v\u00e0o li\u00ean k\u1ebft d\u1eabn \u0111\u1ebfn c\u00e1c trang web b\u1ecb nhi\u1ec5m<\/li>\n\n\n\n<li>K\u1ef9 thu\u1eadt x\u00e3 h\u1ed9i (l\u1eeba ng\u01b0\u1eddi d\u00f9ng ti\u1ebft l\u1ed9 th\u00f4ng tin nh\u1ea1y c\u1ea3m)<\/li>\n<\/ul>\n\n\n\n<p><strong>3<\/strong>.<strong>6 Application Whitelisting<\/strong><\/p>\n\n\n\n<p>Danh s\u00e1ch tr\u1eafng x\u00e1c \u0111\u1ecbnh \u1ee9ng d\u1ee5ng n\u00e0o c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ea3i xu\u1ed1ng v\u00e0 th\u1ef1c thi tr\u00ean m\u1ea1ng. B\u1ea5t k\u1ef3 ch\u01b0\u01a1ng tr\u00ecnh ho\u1eb7c trang web tr\u00e1i ph\u00e9p n\u00e0o kh\u00f4ng c\u00f3 trong danh s\u00e1ch tr\u1eafng s\u1ebd b\u1ecb h\u1ea1n ch\u1ebf ho\u1eb7c ch\u1eb7n trong tr\u01b0\u1eddng h\u1ee3p nh\u00e2n vi\u00ean ho\u1eb7c ng\u01b0\u1eddi d\u00f9ng v\u00f4 t\u00ecnh t\u1ea3i xu\u1ed1ng ch\u01b0\u01a1ng tr\u00ecnh b\u1ecb nhi\u1ec5m ho\u1eb7c truy c\u1eadp trang web b\u1ecb h\u1ecfng. S\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m l\u1eadp danh s\u00e1ch tr\u1eafng nh\u01b0 Windows AppLocker, b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0a v\u00e0o &#8220;danh s\u00e1ch \u0111en&#8221; ho\u1eb7c ch\u1eb7n c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh v\u00e0 trang web c\u1ee5 th\u1ec3.<\/p>\n\n\n\n<p><strong>3.7 Endpoint Security<\/strong><\/p>\n\n\n\n<p>B\u1ea3o m\u1eadt \u0111i\u1ec3m cu\u1ed1i n\u00ean \u0111\u01b0\u1ee3c \u01b0u ti\u00ean cho c\u00e1c doanh nghi\u1ec7p \u0111ang ph\u00e1t tri\u1ec3n. Khi c\u00e1c doanh nghi\u1ec7p b\u1eaft \u0111\u1ea7u m\u1edf r\u1ed9ng v\u00e0 s\u1ed1 l\u01b0\u1ee3ng ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i t\u0103ng l\u00ean, \u0111i\u1ec1u n\u00e0y t\u1ea1o ra nhi\u1ec1u \u0111i\u1ec3m cu\u1ed1i h\u01a1n (m\u00e1y t\u00ednh x\u00e1ch tay, \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh, m\u00e1y ch\u1ee7, v.v.) c\u1ea7n \u0111\u01b0\u1ee3c b\u1ea3o m\u1eadt. M\u1ed7i \u0111i\u1ec3m cu\u1ed1i t\u1eeb xa t\u1ea1o ra c\u01a1 h\u1ed9i ti\u1ec1m \u1ea9n cho b\u1ecdn t\u1ed9i ph\u1ea1m truy c\u1eadp th\u00f4ng tin c\u00e1 nh\u00e2n ho\u1eb7c t\u1ec7 h\u01a1n l\u00e0 m\u1ea1ng ch\u00ednh.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"483\" height=\"339\" src=\"https:\/\/aws.vacif.com\/wp-content\/uploads\/sites\/3\/2023\/07\/image-118.png\" alt=\"\" class=\"wp-image-6770\" srcset=\"https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-118.png 483w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-118-300x211.png 300w\" sizes=\"auto, (max-width: 483px) 100vw, 483px\" \/><\/figure>\n<\/div>\n\n\n<p>Cho d\u00f9 b\u1ea1n \u0111ang \u0111i\u1ec1u h\u00e0nh doanh nghi\u1ec7p c\u1ee7a m\u00ecnh t\u1ea1i nh\u00e0 hay l\u00e0m vi\u1ec7c \u1edf c\u00f4ng ty l\u1edbn h\u01a1n, h\u00e3y t\u00ecm c\u00e1ch c\u00e0i \u0111\u1eb7t n\u1ec1n t\u1ea3ng b\u1ea3o v\u1ec7 \u0111i\u1ec3m cu\u1ed1i (EPP) ho\u1eb7c ph\u00e1t hi\u1ec7n v\u00e0 ph\u1ea3n h\u1ed3i \u0111i\u1ec3m cu\u1ed1i (EDR) cho t\u1ea5t c\u1ea3 ng\u01b0\u1eddi d\u00f9ng m\u1ea1ng. Nh\u1eefng c\u00f4ng ngh\u1ec7 n\u00e0y cho ph\u00e9p qu\u1ea3n tr\u1ecb vi\u00ean h\u1ec7 th\u1ed1ng theo d\u00f5i v\u00e0 qu\u1ea3n l\u00fd b\u1ea3o m\u1eadt cho t\u1eebng thi\u1ebft b\u1ecb t\u1eeb xa. EDR cao c\u1ea5p h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi EPP, t\u1eadp trung v\u00e0o vi\u1ec7c ph\u1ea3n h\u1ed3i v\u00e0 ch\u1ed1ng l\u1ea1i c\u00e1c m\u1ed1i \u0111e d\u1ecda ngay l\u1eadp t\u1ee9c \u0111\u00e3 x\u00e2m nh\u1eadp v\u00e0o m\u1ea1ng.<\/p>\n\n\n\n<p>EPP v\u00e0 EDR th\u01b0\u1eddng bao g\u1ed3m m\u1ed9t b\u1ed9 c\u00f4ng c\u1ee5 b\u1ea3o v\u1ec7 sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ch\u1ed1ng vi-r\u00fat v\u00e0 ch\u1ed1ng ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i<\/li>\n\n\n\n<li>M\u00e3 h\u00f3a d\u1eef li\u1ec7u<\/li>\n\n\n\n<li>Ng\u0103n ng\u1eeba m\u1ea5t d\u1eef li\u1ec7u<\/li>\n\n\n\n<li>Ph\u00e1t hi\u1ec7n x\u00e2m nh\u1eadp<\/li>\n\n\n\n<li>B\u1ea3o m\u1eadt tr\u00ecnh duy\u1ec7t web<\/li>\n\n\n\n<li>B\u1ea3o m\u1eadt di \u0111\u1ed9ng v\u00e0 m\u00e1y t\u00ednh<\/li>\n\n\n\n<li>\u0110\u00e1nh gi\u00e1 m\u1ea1ng cho c\u00e1c nh\u00f3m b\u1ea3o m\u1eadt<\/li>\n\n\n\n<li>C\u1ea3nh b\u00e1o v\u00e0 th\u00f4ng b\u00e1o b\u1ea3o m\u1eadt theo th\u1eddi gian th\u1ef1c<\/li>\n<\/ul>\n\n\n\n<p><strong>3.8 Gi\u1edbi h\u1ea1n quy\u1ec1n truy c\u1eadp c\u1ee7a ng\u01b0\u1eddi d\u00f9ng<\/strong><\/p>\n\n\n\n<p>M\u1ed9t c\u00e1ch kh\u00e1c \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u1ea1ng v\u00e0 h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n l\u00e0 gi\u1edbi h\u1ea1n quy\u1ec1n truy c\u1eadp v\u00e0 quy\u1ec1n c\u1ee7a ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 \u0111\u1ed1i v\u1edbi d\u1eef li\u1ec7u h\u1ecd c\u1ea7n \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng. \u00dd t\u01b0\u1edfng v\u1ec1 &#8220;\u0111\u1eb7c quy\u1ec1n t\u1ed1i thi\u1ec3u&#8221; n\u00e0y gi\u1edbi h\u1ea1n nh\u1eefng ng\u01b0\u1eddi c\u00f3 th\u1ec3 truy c\u1eadp d\u1eef li\u1ec7u c\u1ea7n thi\u1ebft. B\u1eb1ng c\u00e1ch \u0111\u00f3, b\u1ea1n c\u00f3 th\u1ec3 ng\u0103n ph\u1ea7n m\u1ec1m t\u1ed1ng ti\u1ec1n l\u00e2y lan gi\u1eefa c\u00e1c h\u1ec7 th\u1ed1ng trong c\u00f4ng ty. Ngay c\u1ea3 khi c\u00f3 quy\u1ec1n truy c\u1eadp, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i c\u00e1c ch\u1ee9c n\u0103ng ho\u1eb7c t\u00e0i nguy\u00ean h\u1ea1n ch\u1ebf, nh\u01b0 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh trong ch\u00ednh s\u00e1ch ki\u1ec3m so\u00e1t truy c\u1eadp d\u1ef1a tr\u00ean vai tr\u00f2 (RBAC).<\/p>\n\n\n\n<p>\u0110\u1eb7c quy\u1ec1n t\u1ed1i thi\u1ec3u th\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn m\u00f4 h\u00ecnh zero-trust gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng b\u1ea5t k\u1ef3 ng\u01b0\u1eddi d\u00f9ng b\u00ean trong ho\u1eb7c b\u00ean ngo\u00e0i n\u00e0o \u0111\u1ec1u kh\u00f4ng th\u1ec3 tin c\u1eady \u0111\u01b0\u1ee3c, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 h\u1ecd s\u1ebd y\u00eau c\u1ea7u x\u00e1c minh danh t\u00ednh \u1edf m\u1ecdi c\u1ea5p \u0111\u1ed9 truy c\u1eadp. Qu\u00e1 tr\u00ecnh x\u00e1c minh th\u01b0\u1eddng y\u00eau c\u1ea7u \u00edt nh\u1ea5t x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 (2FA) ho\u1eb7c x\u00e1c th\u1ef1c \u0111a y\u1ebfu t\u1ed1 (MFA) \u0111\u1ec3 ng\u0103n ch\u1eb7n quy\u1ec1n truy c\u1eadp v\u00e0o d\u1eef li\u1ec7u m\u1ee5c ti\u00eau n\u1ebfu x\u1ea3y ra vi ph\u1ea1m.<\/p>\n\n\n\n<p><strong>3.9 Ch\u1ea1y ki\u1ec3m tra b\u1ea3o m\u1eadt th\u01b0\u1eddng xuy\u00ean<\/strong><\/p>\n\n\n\n<p>Vi\u1ec7c tri\u1ec3n khai c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt m\u1edbi s\u1ebd l\u00e0 m\u1ed9t nhi\u1ec7m v\u1ee5 kh\u00f4ng bao gi\u1edd k\u1ebft th\u00fac. Khi c\u00e1c chi\u1ebfn thu\u1eadt ransomware ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n, c\u00e1c c\u00f4ng ty c\u1ea7n ch\u1ea1y th\u1eed nghi\u1ec7m v\u00e0 \u0111\u00e1nh gi\u00e1 an ninh m\u1ea1ng th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 th\u00edch \u1ee9ng v\u1edbi m\u00f4i tr\u01b0\u1eddng thay \u0111\u1ed5i.<\/p>\n\n\n\n<p>C\u00e1c c\u00f4ng ty n\u00ean li\u00ean t\u1ee5c:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u00e1nh gi\u00e1 l\u1ea1i \u0111\u1eb7c quy\u1ec1n ng\u01b0\u1eddi d\u00f9ng v\u00e0 \u0111i\u1ec3m truy c\u1eadp<\/li>\n\n\n\n<li>X\u00e1c \u0111\u1ecbnh l\u1ed7 h\u1ed5ng h\u1ec7 th\u1ed1ng m\u1edbi<\/li>\n\n\n\n<li>T\u1ea1o c\u00e1c giao th\u1ee9c b\u1ea3o m\u1eadt m\u1edbi<\/li>\n<\/ul>\n\n\n\n<p><strong>3.10 \u0110\u00e0o t\u1ea1o n\u00e2ng cao nh\u1eadn th\u1ee9c b\u1ea3o m\u1eadt<\/strong><\/p>\n\n\n\n<p>V\u00ec ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i v\u00e0 nh\u00e2n vi\u00ean l\u00e0 c\u1eeda ng\u00f5 ph\u1ed5 bi\u1ebfn nh\u1ea5t cho c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng m\u1ea1ng n\u00ean m\u1ed9t trong nh\u1eefng ho\u1ea1t \u0111\u1ed9ng \u0111\u00e0o t\u1ea1o quan tr\u1ecdng nh\u1ea5t m\u00e0 c\u00f4ng ty c\u00f3 th\u1ec3 cung c\u1ea5p l\u00e0 \u0111\u00e0o t\u1ea1o n\u00e2ng cao nh\u1eadn th\u1ee9c v\u1ec1 b\u1ea3o m\u1eadt. C\u00e1c chi\u1ebfn thu\u1eadt l\u1eeba \u0111\u1ea3o v\u00e0 k\u1ef9 thu\u1eadt x\u00e3 h\u1ed9i c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng l\u1ee3i d\u1ee5ng nh\u1eefng ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng \u0111\u01b0\u1ee3c trang b\u1ecb \u0111\u1ea7y \u0111\u1ee7, c\u1ea3 tin. C\u00f3 ki\u1ebfn \u200b\u200bth\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 an ninh m\u1ea1ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng l\u1edbn v\u00e0 th\u1eadm ch\u00ed ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng t\u1ea1i ngu\u1ed3n.<\/p>\n\n\n\n<p>M\u1ed9t s\u1ed1 th\u1ef1c h\u00e0nh \u0111\u00e0o t\u1ea1o b\u1ea3o m\u1eadt c\u01a1 b\u1ea3n \u0111\u1ec3 cung c\u1ea5p l\u00e0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>L\u01b0\u1edbt web an to\u00e0n<\/li>\n\n\n\n<li>T\u1ea1o m\u1eadt kh\u1ea9u m\u1ea1nh, an to\u00e0n<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng VPN an to\u00e0n<\/li>\n\n\n\n<li>Nh\u1eadn bi\u1ebft c\u00e1c email ho\u1eb7c t\u1ec7p \u0111\u00ednh k\u00e8m \u0111\u00e1ng ng\u1edd<\/li>\n\n\n\n<li>Duy tr\u00ec c\u1eadp nh\u1eadt h\u1ec7 th\u1ed1ng v\u00e0 ph\u1ea7n m\u1ec1m<\/li>\n\n\n\n<li>\u0110\u00e0o t\u1ea1o b\u1ea3o m\u1eadt<\/li>\n\n\n\n<li>Cung c\u1ea5p m\u1ed9t k\u00eanh b\u00e1o c\u00e1o kh\u1ea9n c\u1ea5p cho ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng ng\u1edd<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>M\u1ed9t b\u00e1o c\u00e1o t\u1eeb Cybersecurity Ventures \u01b0\u1edbc t\u00ednh c\u1ee9 11 gi\u00e2y l\u1ea1i c\u00f3 m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng ransomware v\u00e0o n\u0103m 2021, g\u00e2y thi\u1ec7t h\u1ea1i g\u1ea7n 20 t\u1ef7 USD. C\u00e1c k\u1ebf ho\u1ea1ch t\u1ed1ng ti\u1ec1n n\u00e0y th\u01b0\u1eddng nh\u1eafm m\u1ee5c ti\u00eau \u0111\u1ebfn c\u00e1c c\u00e1 nh\u00e2n ho\u1eb7c doanh nghi\u1ec7p c\u00f3 nhi\u1ec1u kh\u1ea3 n\u0103ng tr\u1ea3 s\u1ed1 ti\u1ec1n \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":6774,"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":[80],"tags":[115,92],"class_list":["post-6759","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-huong-dan-tai-lieu","tag-bao-ve-he-thong-mang-khoi-ransomware","tag-ransomware","entry","has-media"],"_links":{"self":[{"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/posts\/6759","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\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/comments?post=6759"}],"version-history":[{"count":0,"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/posts\/6759\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/media\/6774"}],"wp:attachment":[{"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/media?parent=6759"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/categories?post=6759"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/tags?post=6759"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}