{"id":7267,"date":"2023-07-29T16:20:08","date_gmt":"2023-07-29T09:20:08","guid":{"rendered":"https:\/\/vacif.com\/?p=7267"},"modified":"2023-07-29T16:20:08","modified_gmt":"2023-07-29T09:20:08","slug":"antivirus-bien-the-dearcry-ransomware","status":"publish","type":"post","link":"https:\/\/vacif.com\/en\/antivirus-bien-the-dearcry-ransomware\/","title":{"rendered":"ANTIVIRUS : BI\u1ebeN TH\u1ec2 DEARCRY RANSOMWARE"},"content":{"rendered":"\n<p><strong>T\u1ed5ng quan :<\/strong><\/p>\n\n\n\n<p>DearCry l\u00e0 m\u1ed9t lo\u1ea1i ransomware (ph\u1ea7n m\u1ec1m \u0111\u00f2i ti\u1ec1n chu\u1ed9c) nguy hi\u1ec3m , \u0111\u00e3 g\u00e2y ra n\u1ed7i lo s\u1ee3 v\u00e0 t\u1ed5n th\u01b0\u01a1ng cho nhi\u1ec1u h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh v\u00e0 t\u1ed5 ch\u1ee9c tr\u00ean to\u00e0n c\u1ea7u. \u0110\u01b0\u1ee3c ph\u00e1t hi\u1ec7n v\u00e0o th\u00e1ng 3 n\u0103m 2021, n\u00f3 nhanh ch\u00f3ng lan r\u1ed9ng v\u00e0 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng m\u1ed1i \u0111e d\u1ecda h\u00e0ng \u0111\u1ea7u v\u1ec1 an ninh m\u1ea1ng.<\/p>\n\n\n\n<p>DearCry t\u1ea5n c\u00f4ng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt v\u00e0 \u0111i\u1ec3m y\u1ebfu trong ph\u1ea7n m\u1ec1m \u0111\u1ec3 x\u00e2m nh\u1eadp v\u00e0o h\u1ec7 th\u1ed1ng m\u1ee5c ti\u00eau. Sau khi ti\u1ebfn h\u00e0nh x\u00e2m nh\u1eadp th\u00e0nh c\u00f4ng, n\u00f3 s\u1ebd m\u00e3 h\u00f3a c\u00e1c t\u1eadp tin v\u00e0 d\u1eef li\u1ec7u quan tr\u1ecdng tr\u00ean m\u00e1y t\u00ednh ho\u1eb7c m\u00e1y ch\u1ee7, bi\u1ebfn ch\u00fang th\u00e0nh kh\u00f4ng \u0111\u1ecdc \u0111\u01b0\u1ee3c v\u00e0 kh\u00f4ng s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c. Ng\u01b0\u1eddi d\u00f9ng sau \u0111\u00f3 s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c th\u00f4ng b\u00e1o y\u00eau c\u1ea7u thanh to\u00e1n ti\u1ec1n chu\u1ed9c \u0111\u1ec3 nh\u1eadn \u0111\u01b0\u1ee3c kh\u00f3a gi\u1ea3i m\u00e3 v\u00e0 kh\u00f4i ph\u1ee5c d\u1eef li\u1ec7u c\u1ee7a h\u1ecd.<\/p>\n\n\n\n<p>M\u1ed9t \u0111i\u1ec3m \u0111\u00e1ng ch\u00fa \u00fd c\u1ee7a DearCry l\u00e0 n\u00f3 s\u1eed d\u1ee5ng m\u1ed9t l\u1ed7 h\u1ed5ng li\u00ean quan \u0111\u1ebfn ph\u1ea7n m\u1ec1m Microsoft Exchange \u0111\u1ec3 th\u00e2m nh\u1eadp v\u00e0o c\u00e1c m\u00e1y ch\u1ee7 v\u00e0 h\u1ec7 th\u1ed1ng m\u1ea1ng. \u0110i\u1ec1u n\u00e0y \u0111\u00e3 g\u00e2y ra s\u1ef1 b\u00e1o \u0111\u1ed9ng l\u1edbn v\u00e0 c\u1ea3nh b\u00e1o v\u1ec1 t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c c\u1eadp nh\u1eadt v\u00e0 b\u1ea3o m\u1eadt h\u1ec7 th\u1ed1ng li\u00ean t\u1ee5c.<\/p>\n\n\n\n<p>B\u00e0i vi\u1ebft n\u00e0y ch\u00fang ta s\u1ebd \u0111i t\u00ecm hi\u1ec3u v\u1ec1 ransomware n\u00e0y .<\/p>\n\n\n\n<p><strong>M\u1ee5c l\u1ee5c :<\/strong><\/p>\n\n\n\n<p><strong>I. DearCry Ransomware: C\u00e1ch ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/p>\n\n\n\n<p><strong>II. Bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba v\u00e0 b\u1ea3o v\u1ec7 kh\u1ecfi DearCry Ransomware<\/strong><\/p>\n\n\n\n<p><strong>III. Nh\u1eefng l\u1eddi khuy\u00ean h\u1eefu \u00edch \u0111\u1ec3 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u c\u00e1 nh\u00e2n v\u00e0 doanh nghi\u1ec7p.<\/strong><\/p>\n\n\n\n<p><strong>N\u1ed9i dung b\u00e0i vi\u1ebft :<\/strong><\/p>\n\n\n\n<p><strong>I. DearCry Ransomware: C\u00e1ch ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:http:\/\/aws.vacif.com\/wp-content\/uploads\/sites\/3\/2023\/07\/image-393.png\" alt=\"\" class=\"wp-image-7268\" width=\"703\" height=\"446\" srcset=\"https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-393.png 852w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-393-600x381.png 600w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-393-300x190.png 300w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-393-768x488.png 768w\" sizes=\"auto, (max-width: 703px) 100vw, 703px\" \/><\/figure>\n<\/div>\n\n\n<p><strong>1.  Gi\u1edbi thi\u1ec7u<\/strong><\/p>\n\n\n\n<p>V\u00e0o th\u00e1ng 3 n\u0103m 2021, th\u1ebf gi\u1edbi an ninh m\u1ea1ng \u0111\u00e3 b\u1ecb ch\u1ea5n \u0111\u1ed9ng b\u1edfi vi\u1ec7c ph\u00e1t hi\u1ec7n c\u00e1c l\u1ed7 h\u1ed5ng nghi\u00eam tr\u1ecdng trong m\u00e1y ch\u1ee7 Microsoft Exchange. Microsoft \u0111\u00e3 nhanh ch\u00f3ng ph\u00e1t h\u00e0nh c\u00e1c b\u1ea3n v\u00e1 \u0111\u1ec3 kh\u1eafc ph\u1ee5c nh\u1eefng l\u1ed7 h\u1ed5ng n\u00e0y, nh\u01b0ng h\u1eadu qu\u1ea3 c\u1ee7a s\u1ef1 vi\u1ec7c \u0111\u00e3 lan r\u1ed9ng. C\u00e1c k\u1ebb t\u1ea5n c\u00f4ng \u0111\u1ed9c \u00e1c nhanh ch\u00f3ng l\u1ee3i d\u1ee5ng nh\u1eefng \u0111i\u1ec3m y\u1ebfu n\u00e0y, d\u1eabn \u0111\u1ebfn s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a m\u1ed9t bi\u1ebfn th\u1ec3 ransomware m\u1ea1nh m\u1ebd mang t\u00ean DearCry. Ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i tinh vi n\u00e0y \u0111\u00e3 t\u1eadp trung v\u00e0o c\u00e1c m\u00e1y ch\u1ee7 Microsoft Exchange d\u1ec5 t\u1ed5n th\u01b0\u01a1ng, g\u00e2y h\u1ed7n lo\u1ea1n cho h\u1ec7 th\u1ed1ng v\u00e0 b\u1eaft gi\u1eef d\u1eef li\u1ec7u quan tr\u1ecdng l\u00e0m con tin.<\/p>\n\n\n\n<p><strong>2. C\u00e1ch th\u1ee9c khai th\u00e1c l\u1ed7 h\u1ed5ng<\/strong><\/p>\n\n\n\n<p>Nh\u1eefng l\u1ed7 h\u1ed5ng trong m\u00e1y ch\u1ee7 Microsoft Exchange \u0111\u00e3 m\u1edf ra c\u00e1nh c\u1eeda cho k\u1ebb t\u1ea5n c\u00f4ng tri\u1ec3n khai c\u00e1c chi\u1ebfn d\u1ecbch t\u1ea5n c\u00f4ng \u0111a d\u1ea1ng. K\u1ebb x\u00e2m nh\u1eadp nhanh ch\u00f3ng t\u1eadn d\u1ee5ng t\u00ecnh h\u00ecnh v\u00e0 ph\u00f3ng ra DearCry ransomware nh\u1eb1m v\u00e0o nh\u1eefng n\u1ea1n nh\u00e2n kh\u00f4ng ng\u1edd g\u00ec. Ransomware \u0111\u00e3 s\u1eed d\u1ee5ng m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p tinh vi \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh vi x\u00e2m nh\u1eadp c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n<p>Sau khi x\u00e2m nh\u1eadp v\u00e0o m\u1ed9t h\u1ec7 th\u1ed1ng, DearCry b\u1eaft \u0111\u1ea7u li\u1ec7t k\u00ea \u1ed5 \u0111\u0129a, qu\u00e9t t\u1ec9 m\u1ec9 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh t\u1ea5t c\u1ea3 c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n l\u01b0u tr\u1eef c\u00f3 th\u1ec3 truy c\u1eadp. N\u00f3 t\u00ecm ki\u1ebfm c\u00e1c m\u1ee5c ti\u00eau ti\u1ec1m n\u0103ng \u0111\u1ec3 m\u00e3 h\u00f3a, qu\u00e1 tr\u00ecnh n\u00e0y s\u1ebd khi\u1ebfn c\u00e1c n\u1ea1n nh\u00e2n kh\u00f4ng th\u1ec3 l\u00e0m ch\u1ee7 \u0111\u01b0\u1ee3c d\u1eef li\u1ec7u c\u1ee7a m\u00ecnh. N\u1ed9i dung c\u1ee7a t\u1eebng \u1ed5 \u0111\u0129a d\u1ec5 t\u1ed5n th\u01b0\u01a1ng \u0111\u01b0\u1ee3c ki\u1ec3m tra t\u1ec9 m\u1ec9 v\u00e0 c\u00e1c lo\u1ea1i t\u1ec7p tin c\u1ee5 th\u1ec3 \u0111\u01b0\u1ee3c ch\u1ecdn d\u1ef1a tr\u00ean ph\u1ea7n m\u1edf r\u1ed9ng c\u1ee7a ch\u00fang. Nh\u1eefng t\u1ec7p tin n\u00e0y \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn l\u00e0m \u1ee9ng vi\u00ean ch\u00ednh \u0111\u1ec3 m\u00e3 h\u00f3a.<\/p>\n\n\n\n<p><strong>3. Qu\u00e1 tr\u00ecnh m\u00e3 h\u00f3a<\/strong><\/p>\n\n\n\n<p>DearCry s\u1eed d\u1ee5ng c\u01a1 ch\u1ebf m\u00e3 h\u00f3a song song, s\u1eed d\u1ee5ng c\u1ea3 hai thu\u1eadt to\u00e1n m\u00e3 h\u00f3a AES (Advanced Encryption Standard) v\u00e0 RSA-2048. AES, n\u1ed5i ti\u1ebfng v\u1ec1 s\u1ee9c m\u1ea1nh v\u00e0 hi\u1ec7u qu\u1ea3, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u00e3 h\u00f3a c\u00e1c t\u1ec7p tin \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn. RSA-2048, m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p m\u00e3 h\u00f3a b\u1ea5t \u0111\u1ed1i x\u1ee9ng m\u1ea1nh m\u1ebd, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u00e3 h\u00f3a ch\u00ednh kh\u00f3a AES. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh gi\u1ea3i m\u00e3 ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng ch\u00eca kh\u00f3a RSA ri\u00eang t\u01b0 do ch\u00ednh c\u00e1c nh\u00e0 \u0111i\u1ec1u h\u00e0nh ransomware gi\u1eef.<\/p>\n\n\n\n<p><strong>4. Ph\u01b0\u01a1ng th\u1ee9c \u0111\u00f2i ti\u1ec1n chu\u1ed9c<\/strong><\/p>\n\n\n\n<p>Sau khi qu\u00e1 tr\u00ecnh m\u00e3 h\u00f3a ho\u00e0n t\u1ea5t, DearCry ti\u1ebft l\u1ed9 s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a n\u00f3 th\u00f4ng qua m\u1ed9t th\u00f4ng b\u00e1o chu\u1ed9c t\u1eed t\u1ebf tr\u00ean m\u00e0n h\u00ecnh c\u00e1c h\u1ec7 th\u1ed1ng b\u1ecb x\u00e2m nh\u1eadp. L\u1eddi r\u1ee7i ro l\u00e0 m\u1ed9t th\u00f4ng b\u00e1o cho n\u1ea1n nh\u00e2n r\u1eb1ng d\u1eef li\u1ec7u quan tr\u1ecdng c\u1ee7a h\u1ecd \u0111\u00e3 b\u1ecb gi\u1eef  v\u00e0 ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng sau khi thanh to\u00e1n ti\u1ec1n chu\u1ed9c.<\/p>\n\n\n\n<p>Th\u00f4ng b\u00e1o chu\u1ed9c y\u00eau c\u1ea7u n\u1ea1n nh\u00e2n li\u00ean h\u1ec7 v\u1edbi nh\u00e0 \u0111i\u1ec1u h\u00e0nh ransomware qua m\u1ed9t \u0111\u1ecba ch\u1ec9 email. Qua k\u00eanh giao ti\u1ebfp n\u00e0y, c\u00e1c k\u1ebb t\u1ea5n c\u00f4ng s\u1ebd \u0111\u1ecbnh r\u00f5 c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u1ee7a ti\u1ec1n chu\u1ed9c v\u00e0 cung c\u1ea5p th\u00f4ng tin v\u1ec1 c\u00e1ch th\u1ee9c th\u1ef1c hi\u1ec7n thanh to\u00e1n. N\u1ea1n nh\u00e2n ph\u1ea3i \u0111\u1ed1i di\u1ec7n v\u1edbi s\u1ef1 l\u1ef1a ch\u1ecdn : l\u00e0 m\u1ea5t truy c\u1eadp v\u00e0o d\u1eef li\u1ec7u qu\u00fd gi\u00e1 c\u1ee7a h\u1ecd m\u1ed9t c\u00e1ch v\u0129nh vi\u1ec5n ho\u1eb7c th\u01b0\u01a1ng l\u01b0\u1ee3ng v\u1edbi nh\u1eefng k\u1ebb x\u00e2m nh\u1eadp \u0111\u1ec3 kh\u00f4i ph\u1ee5c l\u1ea1i c\u00e1c t\u1ec7p tin c\u1ee7a h\u1ecd.<\/p>\n\n\n\n<p><strong>5. K\u1ebft lu\u1eadn<\/strong><\/p>\n\n\n\n<p>Nh\u1eefng l\u1ed7 h\u1ed5ng trong m\u00e1y ch\u1ee7 Microsoft Exchange \u0111\u00e3 l\u00e0m nh\u1ea5n m\u1ea1nh t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c c\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m k\u1ecbp th\u1eddi v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p an ninh m\u1ea1ng v\u1eefng ch\u1eafc. Vi\u1ec7c khai th\u00e1c l\u1ed7 h\u1ed5ng n\u00e0y b\u1edfi ransomware DearCry l\u00e0m n\u1ed5i b\u1eadt t\u00e1c \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3 m\u00e0 m\u1ed1i \u0111e d\u1ecda m\u1ea1ng c\u00f3 th\u1ec3 g\u00e2y ra \u0111\u1ed1i v\u1edbi c\u00e1 nh\u00e2n v\u00e0 t\u1ed5 ch\u1ee9c. \u0110i\u1ec1u \u0111\u00f3 \u0111\u1eb7t ra l\u1eddi c\u1ea3nh b\u00e1o v\u1ec1 s\u1ef1 c\u1ea7n thi\u1ebft ph\u1ea3i lu\u00f4n c\u1ea3nh gi\u00e1c tr\u01b0\u1edbc nh\u1eefng m\u1ed1i \u0111e d\u1ecda m\u1edbi n\u1ed5i v\u00e0 \u01b0u ti\u00ean c\u00e1c bi\u1ec7n ph\u00e1p an ninh m\u1ea1ng \u0111\u1ec3 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m v\u00e0 h\u1ec7 th\u1ed1ng kh\u1ecfi nh\u1eefng k\u1ebb x\u00e2m nh\u1eadp \u0111\u1ed9c \u00e1c. Trong c\u1ea3nh quan s\u1ed1 h\u00f3a, n\u01a1i s\u1ef1 \u0111\u1ed5i m\u1edbi v\u00e0 k\u1ebft n\u1ed1i ph\u00e1t tri\u1ec3n, b\u1ea3o v\u1ec7 kh\u1ecfi nh\u1eefng m\u1ed1i \u0111e d\u1ecda nh\u01b0 v\u1eady l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n v\u00e0 an ninh c\u1ee7a h\u1ec7 sinh th\u00e1i c\u00f4ng ngh\u1ec7 c\u1ee7a ch\u00fang ta.<\/p>\n\n\n\n<p><strong>II. Bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba v\u00e0 b\u1ea3o v\u1ec7 kh\u1ecfi DearCry Ransomware<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/aws.vacif.com\/wp-content\/uploads\/sites\/3\/2023\/07\/image-313.png\" alt=\"\" class=\"wp-image-7120\" width=\"576\" height=\"324\" srcset=\"https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-313.png 660w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-313-600x337.png 600w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-313-300x169.png 300w\" sizes=\"auto, (max-width: 576px) 100vw, 576px\" \/><\/figure>\n<\/div>\n\n\n<p>DearCry Ransomware, m\u1ed9t trong nh\u1eefng t\u00ean g\u1ecdi \u0111\u00e1ng s\u1ee3 trong th\u1ebf gi\u1edbi k\u1ef9 thu\u1eadt s\u1ed1, \u0111\u00e3 g\u00e2y ra nh\u1eefng cu\u1ed9c t\u1ea5n c\u00f4ng \u0111\u00e1ng lo ng\u1ea1i cho h\u00e0ng ng\u00e0n h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh tr\u00ean to\u00e0n c\u1ea7u. V\u1edbi t\u00ednh n\u0103ng m\u00e3 h\u00f3a d\u1eef li\u1ec7u v\u00e0 \u0111\u00f2i ti\u1ec1n chu\u1ed9c, n\u00f3 \u0111\u00e3 \u0111\u00e1nh v\u00e0o t\u00e2m h\u1ed3n c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 t\u1ed5 ch\u1ee9c, \u0111\u1ec3 l\u1ea1i h\u1eadu qu\u1ea3 n\u1eb7ng n\u1ec1 v\u1ec1 m\u1ea5t m\u00e1t d\u1eef li\u1ec7u v\u00e0 thi\u1ec7t h\u1ea1i kinh t\u1ebf. <\/p>\n\n\n\n<p><strong>Tuy nhi\u00ean, kh\u00f4ng ph\u1ea3i v\u00f4 v\u1ecdng, vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba v\u00e0 b\u1ea3o v\u1ec7 ph\u00f9 h\u1ee3p c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m thi\u1ec3u r\u1ee7i ro g\u1eb7p ph\u1ea3i DearCry Ransomware v\u00e0 b\u1ea3o v\u1ec7 h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n kh\u1ecfi s\u1ef1 t\u1ea5n c\u00f4ng nguy hi\u1ec3m n\u00e0y :<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C\u1eadp nh\u1eadt h\u1ec7 th\u1ed1ng v\u00e0 ph\u1ea7n m\u1ec1m th\u01b0\u1eddng xuy\u00ean<\/strong>: Vi\u1ec7c c\u1eadp nh\u1eadt c\u00e1c h\u1ec7 \u0111i\u1ec1u h\u00e0nh, \u1ee9ng d\u1ee5ng v\u00e0 ph\u1ea7n m\u1ec1m b\u1ea3o m\u1eadt l\u00e0 c\u1ef1c k\u1ef3 quan tr\u1ecdng \u0111\u1ec3 gi\u1eef cho h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n an to\u00e0n. C\u00e1c b\u1ea3n c\u1eadp nh\u1eadt th\u01b0\u1eddng bao g\u1ed3m c\u00e1c b\u1ea3n v\u00e1 b\u1ea3o m\u1eadt m\u1edbi nh\u1ea5t v\u00e0 l\u1ed7 h\u1ed5ng \u0111\u00e3 \u0111\u01b0\u1ee3c kh\u1eafc ph\u1ee5c, gi\u00fap ng\u0103n ch\u1eb7n DearCry t\u1eadn d\u1ee5ng c\u00e1c \u0111i\u1ec3m y\u1ebfu n\u00e0y \u0111\u1ec3 x\u00e2m nh\u1eadp v\u00e0o m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Sao l\u01b0u d\u1eef li\u1ec7u th\u01b0\u1eddng xuy\u00ean:<\/strong> T\u1ea1o sao l\u01b0u \u0111\u1ecbnh k\u1ef3 c\u1ee7a d\u1eef li\u1ec7u quan tr\u1ecdng l\u00e0 bi\u1ec7n ph\u00e1p quan tr\u1ecdng trong vi\u1ec7c b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i ransomware. Sao l\u01b0u d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n tr\u00ean c\u00e1c thi\u1ebft b\u1ecb l\u01b0u tr\u1eef ngo\u1ea1i tuy\u1ebfn (offline) nh\u01b0 \u1ed5 c\u1ee9ng di \u0111\u1ed9ng, \u0111\u0129a DVD ho\u1eb7c \u0111\u00e1m m\u00e2y. N\u1ebfu b\u1ea1n tr\u1edf th\u00e0nh n\u1ea1n nh\u00e2n c\u1ee7a DearCry, b\u1ea1n c\u00f3 th\u1ec3 kh\u00f4i ph\u1ee5c l\u1ea1i d\u1eef li\u1ec7u t\u1eeb sao l\u01b0u m\u00e0 kh\u00f4ng ph\u1ea3i tr\u1ea3 ti\u1ec1n chu\u1ed9c.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"338\" src=\"https:http:\/\/aws.vacif.com\/wp-content\/uploads\/sites\/3\/2023\/07\/image-398.png\" alt=\"\" class=\"wp-image-7273\" srcset=\"https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-398.png 600w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-398-300x169.png 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>S\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m b\u1ea3o m\u1eadt m\u1ea1nh m\u1ebd: <\/strong>\u0110\u1ea3m b\u1ea3o b\u1ea1n c\u00e0i \u0111\u1eb7t v\u00e0 s\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m b\u1ea3o m\u1eadt ch\u1ea5t l\u01b0\u1ee3ng v\u1edbi ch\u1ee9c n\u0103ng ch\u1ed1ng ransomware. C\u00e1c gi\u1ea3i ph\u00e1p b\u1ea3o m\u1eadt hi\u1ec7n \u0111\u1ea1i th\u01b0\u1eddng t\u00edch h\u1ee3p c\u00f4ng ngh\u1ec7 ph\u00e1t hi\u1ec7n v\u00e0 ng\u0103n ch\u1eb7n ransomware, gi\u00fap b\u1ea1n b\u1ea3o v\u1ec7 h\u1ec7 th\u1ed1ng kh\u1ecfi s\u1ef1 t\u1ea5n c\u00f4ng c\u1ee7a DearCry v\u00e0 c\u00e1c bi\u1ebfn th\u1ec3 kh\u00e1c.Nh\u01b0 Sophos endpoint, AVG, Kaspersky.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"576\" height=\"298\" src=\"https:http:\/\/aws.vacif.com\/wp-content\/uploads\/sites\/3\/2023\/07\/image-396.png\" alt=\"\" class=\"wp-image-7271\" srcset=\"https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-396.png 576w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-396-300x155.png 300w\" sizes=\"auto, (max-width: 576px) 100vw, 576px\" \/><\/figure>\n<\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>H\u1ea1n ch\u1ebf quy\u1ec1n truy c\u1eadp:<\/strong> H\u1ea1n ch\u1ebf quy\u1ec1n truy c\u1eadp c\u1ee7a ng\u01b0\u1eddi d\u00f9ng \u0111\u1ed1i v\u1edbi c\u00e1c t\u00e0i kho\u1ea3n kh\u00f4ng c\u1ea7n thi\u1ebft. Truy c\u1eadp b\u1eb1ng quy\u1ec1n qu\u1ea3n tr\u1ecb vi\u00ean n\u00ean \u0111\u01b0\u1ee3c c\u1ea5p cho nh\u1eefng ng\u01b0\u1eddi c\u1ea7n thi\u1ebft v\u00e0 kh\u00f4ng n\u00ean \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t tr\u00ean c\u00e1c m\u00e1y t\u00ednh h\u00e0ng ng\u00e0y. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m thi\u1ec3u kh\u1ea3 n\u0103ng DearCry l\u00e2y lan v\u00e0 m\u00e3 h\u00f3a d\u1eef li\u1ec7u quan tr\u1ecdng c\u1ee7a b\u1ea1n.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C\u1ea9n tr\u1ecdng v\u1edbi email v\u00e0 c\u00e1c t\u1ec7p \u0111\u00ednh k\u00e8m<\/strong>: C\u1ea9n tr\u1ecdng khi m\u1edf email t\u1eeb ngu\u1ed3n kh\u00f4ng r\u00f5 ngu\u1ed3n g\u1ed1c ho\u1eb7c email c\u00f3 ch\u1ee9a c\u00e1c t\u1ec7p \u0111\u00ednh k\u00e8m l\u1ea1 l\u00f9ng. \u0110\u00e2y th\u01b0\u1eddng l\u00e0 c\u00e1ch ransomware nh\u01b0 DearCry l\u00e2y lan, do \u0111\u00f3, h\u00e3y lu\u00f4n ki\u1ec3m tra email tr\u01b0\u1edbc khi m\u1edf t\u1ec7p \u0111\u00ednh k\u00e8m ho\u1eb7c nh\u1ea5p v\u00e0o li\u00ean k\u1ebft b\u1ea5t k\u1ef3.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"621\" height=\"349\" src=\"https:http:\/\/aws.vacif.com\/wp-content\/uploads\/sites\/3\/2023\/07\/image-395.png\" alt=\"\" class=\"wp-image-7270\" srcset=\"https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-395.png 621w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-395-600x337.png 600w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-395-300x169.png 300w\" sizes=\"auto, (max-width: 621px) 100vw, 621px\" \/><\/figure>\n<\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0110\u00e0o t\u1ea1o nh\u00e2n vi\u00ean v\u1ec1 an ninh m\u1ea1ng:<\/strong> Gi\u00e1o d\u1ee5c v\u00e0 \u0111\u00e0o t\u1ea1o nh\u00e2n vi\u00ean v\u1ec1 c\u00e1ch nh\u1eadn di\u1ec7n v\u00e0 ph\u00f2ng ng\u1eeba c\u00e1c m\u1ed1i \u0111e d\u1ecda an ninh m\u1ea1ng l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng. H\u1ecd n\u00ean \u0111\u01b0\u1ee3c h\u01b0\u1edbng d\u1eabn c\u00e1ch b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u, ph\u00e2n bi\u1ec7t email v\u00e0 li\u00ean k\u1ebft \u0111\u00e1ng tin c\u1eady t\u1eeb nh\u1eefng t\u1ea5n c\u00f4ng m\u1ea1o danh.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>S\u1eed d\u1ee5ng t\u01b0\u1eddng l\u1eeda v\u00e0 ph\u1ea7n m\u1ec1m ch\u1ed1ng x\u00e2m nh\u1eadp: <\/strong>K\u00edch ho\u1ea1t t\u01b0\u1eddng l\u1eeda v\u00e0 ph\u1ea7n m\u1ec1m ch\u1ed1ng x\u00e2m nh\u1eadp (IDS\/IPS) gi\u00fap ng\u0103n ch\u1eb7n DearCry k\u1ebft n\u1ed1i v\u1edbi m\u00e1y ch\u1ee7 \u0111i\u1ec1u khi\u1ec3n t\u1eeb xa v\u00e0 gi\u1ea3m nguy c\u01a1 b\u1ecb t\u1ea5n c\u00f4ng.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>H\u1ee3p t\u00e1c v\u1edbi c\u00e1c chuy\u00ean gia b\u1ea3o m\u1eadt:<\/strong> N\u1ebfu b\u1ea1n kh\u00f4ng c\u00f3 kinh nghi\u1ec7m trong b\u1ea3o m\u1eadt m\u1ea1ng, h\u00e3y t\u00ecm \u0111\u1ebfn s\u1ef1 h\u1ed7 tr\u1ee3 t\u1eeb c\u00e1c chuy\u00ean gia b\u1ea3o m\u1eadt. H\u1ecd c\u00f3 th\u1ec3 ki\u1ec3m tra v\u00e0 \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 b\u1ea3o m\u1eadt c\u1ee7a h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n v\u00e0 \u0111\u01b0a ra c\u00e1c gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p \u0111\u1ec3 b\u1ea3o v\u1ec7 kh\u1ecfi DearCry Ransomware v\u00e0 c\u00e1c m\u1ed1i \u0111e d\u1ecda kh\u00e1c.<\/li>\n<\/ul>\n\n\n\n<p>Tuy DearCry Ransomware v\u00e0 c\u00e1c lo\u1ea1i m\u00e3 \u0111\u1ed9c t\u01b0\u01a1ng t\u1ef1 c\u00f3 th\u1ec3 l\u00e0 nh\u1eefng m\u1ed1i \u0111e d\u1ecda nguy hi\u1ec3m, vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba v\u00e0 b\u1ea3o v\u1ec7 \u0111\u00fang \u0111\u1eafn c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m thi\u1ec3u r\u1ee7i ro v\u00e0 b\u1ea3o v\u1ec7 h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n tr\u01b0\u1edbc nh\u1eefng cu\u1ed9c t\u1ea5n c\u00f4ng \u0111\u00e1ng lo ng\u1ea1i n\u00e0y. H\u00e3y lu\u00f4n gi\u1eef c\u1ea3nh gi\u00e1c v\u00e0 c\u1eadp nh\u1eadt v\u1edbi c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt m\u1edbi nh\u1ea5t \u0111\u1ec3 duy tr\u00ec an to\u00e0n cho<\/p>\n\n\n\n<p><strong>III. Nh\u1eefng l\u1eddi khuy\u00ean h\u1eefu \u00edch \u0111\u1ec3 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u c\u00e1 nh\u00e2n v\u00e0 doanh nghi\u1ec7p<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"450\" src=\"https:http:\/\/aws.vacif.com\/wp-content\/uploads\/sites\/3\/2023\/07\/image-401.png\" alt=\"\" class=\"wp-image-7276\" srcset=\"https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-401.png 900w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-401-600x300.png 600w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-401-300x150.png 300w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2023\/07\/image-401-768x384.png 768w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/figure>\n<\/div>\n\n\n<p>B\u1ea3o v\u1ec7 d\u1eef li\u1ec7u c\u00e1 nh\u00e2n v\u00e0 doanh nghi\u1ec7p l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o an to\u00e0n th\u00f4ng tin v\u00e0 ng\u0103n ch\u1eb7n nh\u1eefng t\u1ea5n c\u00f4ng m\u1ea1ng \u0111\u1ed9c h\u1ea1i. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng l\u1eddi khuy\u00ean h\u1eefu \u00edch \u0111\u1ec3 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u c\u00e1 nh\u00e2n v\u00e0 doanh nghi\u1ec7p:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m \u0111\u1ecbnh k\u1ef3: <\/strong>H\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng t\u1ea5t c\u1ea3 c\u00e1c h\u1ec7 th\u1ed1ng v\u00e0 ph\u1ea7n m\u1ec1m tr\u00ean m\u00e1y t\u00ednh v\u00e0 thi\u1ebft b\u1ecb di \u0111\u1ed9ng \u0111\u1ec1u \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt m\u1edbi nh\u1ea5t. C\u00e1c b\u1ea3n v\u00e1 v\u00e0 b\u1ea3n v\u00e1 b\u1ea3o m\u1eadt gi\u00fap kh\u1eafc ph\u1ee5c l\u1ed7 h\u1ed5ng v\u00e0 gi\u1ea3m nguy c\u01a1 b\u1ecb t\u1ea5n c\u00f4ng.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>S\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u m\u1ea1nh: <\/strong>S\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u ph\u1ee9c t\u1ea1p v\u00e0 kh\u00e1c nhau cho t\u1eebng t\u00e0i kho\u1ea3n. M\u1eadt kh\u1ea9u n\u00ean c\u00f3 \u00edt nh\u1ea5t 8 k\u00fd t\u1ef1 v\u00e0 bao g\u1ed3m c\u1ea3 ch\u1eef hoa, ch\u1eef th\u01b0\u1eddng, ch\u1eef s\u1ed1 v\u00e0 k\u00fd t\u1ef1 \u0111\u1eb7c bi\u1ec7t.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>S\u1eed d\u1ee5ng x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1:<\/strong> B\u1eadt t\u00ednh n\u0103ng x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 (2FA) ho\u1eb7c x\u00e1c th\u1ef1c hai b\u01b0\u1edbc (2SV) cho c\u00e1c t\u00e0i kho\u1ea3n quan tr\u1ecdng. \u0110i\u1ec1u n\u00e0y b\u1ed5 sung l\u1edbp b\u1ea3o m\u1eadt b\u1ed5 sung v\u00e0 ng\u0103n ch\u1eb7n ng\u01b0\u1eddi tr\u1ef1c tuy\u1ebfn x\u00e2m nh\u1eadp v\u00e0o t\u00e0i kho\u1ea3n c\u1ee7a b\u1ea1n.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ch\u1ed1ng phishing: <\/strong>C\u1ea9n th\u1eadn v\u1edbi c\u00e1c email ho\u1eb7c tin nh\u1eafn kh\u00f4ng x\u00e1c \u0111\u1ecbnh, \u0111\u1eb7c bi\u1ec7t l\u00e0 nh\u1eefng th\u00f4ng \u0111i\u1ec7p y\u00eau c\u1ea7u cung c\u1ea5p th\u00f4ng tin nh\u1ea1y c\u1ea3m ho\u1eb7c nh\u1ea5p v\u00e0o li\u00ean k\u1ebft kh\u00f4ng r\u00f5 ngu\u1ed3n g\u1ed1c. Lu\u00f4n x\u00e1c minh nh\u1eefng th\u00f4ng tin nh\u01b0 th\u1ebf tr\u01b0\u1edbc khi cung c\u1ea5p b\u1ea5t k\u1ef3 th\u00f4ng tin c\u00e1 nh\u00e2n n\u00e0o.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Sao l\u01b0u d\u1eef li\u1ec7u th\u01b0\u1eddng xuy\u00ean:<\/strong> Sao l\u01b0u d\u1eef li\u1ec7u quan tr\u1ecdng c\u1ee7a b\u1ea1n th\u01b0\u1eddng xuy\u00ean v\u00e0 l\u01b0u tr\u1eef n\u00f3 \u1edf n\u01a1i an to\u00e0n. \u0110i\u1ec1u n\u00e0y gi\u00fap ph\u00f2ng tr\u00e1nh m\u1ea5t m\u00e1t d\u1eef li\u1ec7u do t\u1ea5n c\u00f4ng ransomware ho\u1eb7c l\u1ed7i k\u1ef9 thu\u1eadt.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>S\u1eed d\u1ee5ng m\u00e3 h\u00f3a: <\/strong>S\u1eed d\u1ee5ng m\u00e3 h\u00f3a \u0111\u1ec3 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u quan tr\u1ecdng c\u1ee7a b\u1ea1n. C\u1ea3 m\u00e1y t\u00ednh v\u00e0 thi\u1ebft b\u1ecb di \u0111\u1ed9ng \u0111\u1ec1u h\u1ed7 tr\u1ee3 c\u00e1c c\u00f4ng ngh\u1ec7 m\u00e3 h\u00f3a m\u1ea1nh m\u1ebd \u0111\u1ec3 gi\u1eef cho d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n an to\u00e0n.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0110\u00e0o t\u1ea1o nh\u00e2n vi\u00ean v\u1ec1 an ninh th\u00f4ng tin: <\/strong>Cung c\u1ea5p \u0111\u00e0o t\u1ea1o th\u01b0\u1eddng xuy\u00ean v\u1ec1 an ninh th\u00f4ng tin cho nh\u00e2n vi\u00ean. H\u1ecd n\u00ean hi\u1ec3u \u0111\u01b0\u1ee3c c\u00e1c nguy c\u01a1 b\u1ea3o m\u1eadt v\u00e0 bi\u1ebft c\u00e1ch \u0111\u1ed1i ph\u00f3 v\u1edbi c\u00e1c t\u00ecnh hu\u1ed1ng ti\u1ec1m t\u00e0ng.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Gi\u00e1m s\u00e1t ho\u1ea1t \u0111\u1ed9ng m\u1ea1ng:<\/strong> Theo d\u00f5i v\u00e0 gi\u00e1m s\u00e1t ho\u1ea1t \u0111\u1ed9ng m\u1ea1ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng b\u00ecnh th\u01b0\u1eddng v\u00e0 ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng tr\u01b0\u1edbc khi g\u00e2y h\u1ea1i.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>S\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m b\u1ea3o m\u1eadt: <\/strong>C\u00e0i \u0111\u1eb7t v\u00e0 s\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m b\u1ea3o m\u1eadt \u0111\u00e1ng tin c\u1eady nh\u01b0 ph\u1ea7n m\u1ec1m ch\u1ed1ng vi-r\u00fat, ph\u1ea7n m\u1ec1m ch\u1ed1ng spyware v\u00e0 t\u01b0\u1eddng l\u1eeda \u0111\u1ec3 gi\u1ea3m thi\u1ec3u nguy c\u01a1 b\u1ecb t\u1ea5n c\u00f4ng t\u1eeb ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i.<\/li>\n<\/ul>\n\n\n\n<p>Tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh v\u1ec1 b\u1ea3o m\u1eadt d\u1eef li\u1ec7u: \u0110\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh v\u00e0 quy t\u1eafc li\u00ean quan \u0111\u1ebfn b\u1ea3o m\u1eadt d\u1eef li\u1ec7u, ch\u1eb3ng h\u1ea1n nh\u01b0 GDPR (Quy \u0111\u1ecbnh v\u1ec1 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u chung c\u1ee7a EU), \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng d\u1eef li\u1ec7u c\u00e1 nh\u00e2n c\u1ee7a ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 m\u1ed9t c\u00e1ch an to\u00e0n v\u00e0 h\u1ee3p ph\u00e1p.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u1ed5ng quan : DearCry l\u00e0 m\u1ed9t lo\u1ea1i ransomware (ph\u1ea7n m\u1ec1m \u0111\u00f2i ti\u1ec1n chu\u1ed9c) nguy hi\u1ec3m , \u0111\u00e3 g\u00e2y ra n\u1ed7i lo s\u1ee3 v\u00e0 t\u1ed5n th\u01b0\u01a1ng cho nhi\u1ec1u h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh v\u00e0 t\u1ed5 ch\u1ee9c tr\u00ean to\u00e0n c\u1ea7u. \u0110\u01b0\u1ee3c ph\u00e1t hi\u1ec7n v\u00e0o th\u00e1ng 3 n\u0103m 2021, n\u00f3 nhanh ch\u00f3ng lan r\u1ed9ng v\u00e0 tr\u1edf th\u00e0nh m\u1ed9t trong [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":7277,"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":[17],"tags":[93,171,92,97],"class_list":["post-7267","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bao-mat","tag-antivirus","tag-dearcry","tag-ransomware","tag-sophos-endpoint","entry","has-media"],"_links":{"self":[{"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/posts\/7267","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=7267"}],"version-history":[{"count":0,"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/posts\/7267\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/media\/7277"}],"wp:attachment":[{"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/media?parent=7267"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/categories?post=7267"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/tags?post=7267"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}