{"id":476799,"date":"2023-08-09T07:36:15","date_gmt":"2023-08-09T07:36:15","guid":{"rendered":""},"modified":"2023-09-05T11:13:28","modified_gmt":"2023-09-05T11:13:28","slug":"dfir","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/dfir\/","title":{"rendered":"DFIR"},"content":{"rendered":"<p>DFIR, hay Ph\u00e1p y k\u1ef9 thu\u1eadt s\u1ed1 v\u00e0 \u1ee9ng ph\u00f3 s\u1ef1 c\u1ed1, l\u00e0 m\u1ed9t m\u00f4n h\u1ecdc k\u1ebft h\u1ee3p c\u00e1c kh\u00eda c\u1ea1nh c\u1ee7a th\u1ef1c thi ph\u00e1p lu\u1eadt v\u00e0 c\u00f4ng ngh\u1ec7 th\u00f4ng tin. N\u00f3 li\u00ean quan \u0111\u1ebfn vi\u1ec7c x\u00e1c \u0111\u1ecbnh, \u0111i\u1ec1u tra v\u00e0 gi\u1ea3m thi\u1ec3u c\u00e1c s\u1ef1 c\u1ed1 b\u1ea3o m\u1eadt trong h\u1ec7 th\u1ed1ng k\u1ef9 thu\u1eadt s\u1ed1 c\u0169ng nh\u01b0 kh\u00f4i ph\u1ee5c v\u00e0 tr\u00ecnh b\u00e0y b\u1eb1ng ch\u1ee9ng k\u1ef9 thu\u1eadt s\u1ed1 t\u1eeb c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u00f3.<\/p>\n<h2>Truy t\u00ecm ngu\u1ed3n g\u1ed1c c\u1ee7a DFIR<\/h2>\n<p>Ngu\u1ed3n g\u1ed1c c\u1ee7a DFIR c\u00f3 th\u1ec3 b\u1eaft ngu\u1ed3n t\u1eeb nh\u1eefng n\u0103m 1980 v\u1edbi s\u1ef1 gia t\u0103ng c\u1ee7a t\u1ed9i ph\u1ea1m m\u00e1y t\u00ednh, sau khi m\u00e1y t\u00ednh c\u00e1 nh\u00e2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i h\u01a1n. Ban \u0111\u1ea7u, c\u00e1c c\u01a1 quan th\u1ef1c thi ph\u00e1p lu\u1eadt l\u00e0 nh\u1eefng ng\u01b0\u1eddi th\u1ef1c hi\u1ec7n ch\u00ednh, s\u1eed d\u1ee5ng nh\u1eefng g\u00ec sau n\u00e0y tr\u1edf th\u00e0nh n\u1ec1n t\u1ea3ng th\u00f4 s\u01a1 c\u1ee7a ph\u00e1p y k\u1ef9 thu\u1eadt s\u1ed1 \u0111\u1ec3 \u0111i\u1ec1u tra c\u00e1c s\u1ef1 c\u1ed1.<\/p>\n<p>B\u1ea3n th\u00e2n thu\u1eadt ng\u1eef \u201cDFIR\u201d \u0111\u00e3 tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn v\u00e0o \u0111\u1ea7u nh\u1eefng n\u0103m 2000, khi c\u00e1c t\u1ed5 ch\u1ee9c b\u1eaft \u0111\u1ea7u ph\u00e1t tri\u1ec3n c\u00e1c nh\u00f3m chuy\u00ean m\u00f4n \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c cu\u1ed9c \u0111i\u1ec1u tra k\u1ef9 thu\u1eadt s\u1ed1 v\u00e0 \u1ee9ng ph\u00f3 v\u1edbi c\u00e1c s\u1ef1 c\u1ed1 b\u1ea3o m\u1eadt. Khi c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn v\u00e0 c\u00e1c m\u1ed1i \u0111e d\u1ecda m\u1ea1ng tr\u1edf n\u00ean ph\u1ee9c t\u1ea1p h\u01a1n, nhu c\u1ea7u v\u1ec1 c\u00e1c chuy\u00ean gia t\u1eadn t\u00e2m \u0111\u01b0\u1ee3c \u0111\u00e0o t\u1ea1o v\u1ec1 DFIR tr\u1edf n\u00ean r\u00f5 r\u00e0ng. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c ti\u00eau chu\u1ea9n, th\u00f4ng l\u1ec7 v\u00e0 ch\u1ee9ng nh\u1eadn ch\u00ednh th\u1ee9c trong l\u0129nh v\u1ef1c n\u00e0y.<\/p>\n<h2>T\u00ecm hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 DFIR<\/h2>\n<p>DFIR v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn hai h\u01b0\u1edbng \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c s\u1ef1 c\u1ed1 b\u1ea3o m\u1eadt. \u0110i\u1ec1u tra k\u1ef9 thu\u1eadt s\u1ed1 t\u1eadp trung v\u00e0o vi\u1ec7c thu th\u1eadp v\u00e0 ki\u1ec3m tra b\u1eb1ng ch\u1ee9ng k\u1ef9 thu\u1eadt s\u1ed1 sau m\u1ed9t s\u1ef1 c\u1ed1 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111i\u1ec1u g\u00ec \u0111\u00e3 x\u1ea3y ra, ai c\u00f3 li\u00ean quan v\u00e0 c\u00e1ch h\u1ecd th\u1ef1c hi\u1ec7n \u0111i\u1ec1u \u0111\u00f3. N\u00f3 bao g\u1ed3m vi\u1ec7c kh\u00f4i ph\u1ee5c d\u1eef li\u1ec7u b\u1ecb m\u1ea5t ho\u1eb7c b\u1ecb x\u00f3a, ph\u00e2n t\u00edch d\u1eef li\u1ec7u \u0111\u1ec3 t\u00ecm th\u00f4ng tin \u1ea9n ho\u1eb7c hi\u1ec3u \u00fd ngh\u0129a c\u1ee7a n\u00f3 c\u0169ng nh\u01b0 ghi l\u1ea1i v\u00e0 tr\u00ecnh b\u00e0y c\u00e1c ph\u00e1t hi\u1ec7n m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng, d\u1ec5 hi\u1ec3u.<\/p>\n<p>M\u1eb7t kh\u00e1c, \u1ee8ng ph\u00f3 s\u1ef1 c\u1ed1 l\u00e0 vi\u1ec7c chu\u1ea9n b\u1ecb, \u1ee9ng ph\u00f3 v\u00e0 ph\u1ee5c h\u1ed3i sau c\u00e1c s\u1ef1 c\u1ed1 b\u1ea3o m\u1eadt. N\u00f3 li\u00ean quan \u0111\u1ebfn vi\u1ec7c t\u1ea1o ra m\u1ed9t k\u1ebf ho\u1ea1ch \u1ee9ng ph\u00f3 s\u1ef1 c\u1ed1, ph\u00e1t hi\u1ec7n v\u00e0 ph\u00e2n t\u00edch s\u1ef1 c\u1ed1, ng\u0103n ch\u1eb7n v\u00e0 lo\u1ea1i b\u1ecf c\u00e1c m\u1ed1i \u0111e d\u1ecda c\u0169ng nh\u01b0 x\u1eed l\u00fd sau s\u1ef1 c\u1ed1.<\/p>\n<h2>C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a DFIR<\/h2>\n<p>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a DFIR th\u01b0\u1eddng tu\u00e2n theo m\u1ed9t quy tr\u00ecnh c\u00f3 c\u1ea5u tr\u00fac, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 V\u00f2ng \u0111\u1eddi \u1ee9ng ph\u00f3 s\u1ef1 c\u1ed1:<\/p>\n<ol>\n<li>Chu\u1ea9n b\u1ecb: \u0110i\u1ec1u n\u00e0y li\u00ean quan \u0111\u1ebfn vi\u1ec7c ph\u00e1t tri\u1ec3n m\u1ed9t k\u1ebf ho\u1ea1ch \u0111\u1ec3 \u1ee9ng ph\u00f3 hi\u1ec7u qu\u1ea3 v\u1edbi c\u00e1c s\u1ef1 c\u1ed1 b\u1ea3o m\u1eadt ti\u1ec1m \u1ea9n.<\/li>\n<li>Ph\u00e1t hi\u1ec7n &amp; Ph\u00e2n t\u00edch: \u0110i\u1ec1u n\u00e0y li\u00ean quan \u0111\u1ebfn vi\u1ec7c x\u00e1c \u0111\u1ecbnh c\u00e1c s\u1ef1 c\u1ed1 b\u1ea3o m\u1eadt ti\u1ec1m \u1ea9n, x\u00e1c \u0111\u1ecbnh t\u00e1c \u0111\u1ed9ng c\u1ee7a ch\u00fang v\u00e0 hi\u1ec3u b\u1ea3n ch\u1ea5t c\u1ee7a ch\u00fang.<\/li>\n<li>Ng\u0103n ch\u1eb7n, lo\u1ea1i b\u1ecf v\u00e0 ph\u1ee5c h\u1ed3i: \u0110i\u1ec1u n\u00e0y li\u00ean quan \u0111\u1ebfn vi\u1ec7c h\u1ea1n ch\u1ebf thi\u1ec7t h\u1ea1i do s\u1ef1 c\u1ed1 b\u1ea3o m\u1eadt, lo\u1ea1i b\u1ecf m\u1ed1i \u0111e d\u1ecda t\u1eeb m\u00f4i tr\u01b0\u1eddng v\u00e0 kh\u00f4i ph\u1ee5c h\u1ec7 th\u1ed1ng v\u1ec1 ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng.<\/li>\n<li>Ho\u1ea1t \u0111\u1ed9ng sau s\u1ef1 c\u1ed1: \u0110i\u1ec1u n\u00e0y li\u00ean quan \u0111\u1ebfn vi\u1ec7c h\u1ecdc h\u1ecfi t\u1eeb s\u1ef1 c\u1ed1, c\u1ea3i thi\u1ec7n k\u1ebf ho\u1ea1ch \u1ee9ng ph\u00f3 s\u1ef1 c\u1ed1 v\u00e0 ng\u0103n ng\u1eeba c\u00e1c s\u1ef1 c\u1ed1 t\u01b0\u01a1ng t\u1ef1 trong t\u01b0\u01a1ng lai.<\/li>\n<\/ol>\n<p>M\u1ed7i giai \u0111o\u1ea1n n\u00e0y s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nhau t\u00f9y theo b\u1ea3n ch\u1ea5t c\u1ee7a s\u1ef1 c\u1ed1 v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng li\u00ean quan.<\/p>\n<h2>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a DFIR<\/h2>\n<p>DFIR \u0111\u01b0\u1ee3c \u0111\u1eb7c tr\u01b0ng b\u1edfi m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng ch\u00ednh:<\/p>\n<ol>\n<li><strong>B\u1ea3o qu\u1ea3n b\u1eb1ng ch\u1ee9ng<\/strong>: M\u1ed9t trong nh\u1eefng kh\u00eda c\u1ea1nh quan tr\u1ecdng nh\u1ea5t c\u1ee7a DFIR l\u00e0 b\u1ea3o qu\u1ea3n b\u1eb1ng ch\u1ee9ng k\u1ef9 thu\u1eadt s\u1ed1. \u0110i\u1ec1u n\u00e0y li\u00ean quan \u0111\u1ebfn vi\u1ec7c thu th\u1eadp, x\u1eed l\u00fd v\u00e0 l\u01b0u tr\u1eef d\u1eef li\u1ec7u \u0111\u00fang c\u00e1ch \u0111\u1ec3 duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n v\u00e0 \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn tr\u01b0\u1edbc t\u00f2a n\u1ebfu c\u1ea7n thi\u1ebft.<\/li>\n<li><strong>Ph\u00e2n t\u00edch<\/strong>: DFIR li\u00ean quan \u0111\u1ebfn vi\u1ec7c ph\u00e2n t\u00edch k\u1ef9 l\u01b0\u1ee1ng d\u1eef li\u1ec7u s\u1ed1 \u0111\u1ec3 hi\u1ec3u nguy\u00ean nh\u00e2n v\u00e0 t\u00e1c \u0111\u1ed9ng c\u1ee7a s\u1ef1 c\u1ed1 b\u1ea3o m\u1eadt.<\/li>\n<li><strong>Gi\u1ea3m thi\u1ec3u s\u1ef1 c\u1ed1<\/strong>: DFIR nh\u1eb1m m\u1ee5c \u0111\u00edch gi\u1ea3m thi\u1ec3u thi\u1ec7t h\u1ea1i do s\u1ef1 c\u1ed1 an ninh g\u00e2y ra, b\u1eb1ng c\u00e1ch ng\u0103n ch\u1eb7n s\u1ef1 c\u1ed1 v\u00e0 x\u00f3a b\u1ecf m\u1ed1i \u0111e d\u1ecda.<\/li>\n<li><strong>B\u00e1o c\u00e1o<\/strong>: Sau khi \u0111i\u1ec1u tra, c\u00e1c chuy\u00ean gia DFIR tr\u00ecnh b\u00e0y nh\u1eefng ph\u00e1t hi\u1ec7n c\u1ee7a h\u1ecd trong m\u1ed9t b\u00e1o c\u00e1o r\u00f5 r\u00e0ng, d\u1ec5 hi\u1ec3u.<\/li>\n<li><strong>H\u1ecdc t\u1eadp li\u00ean t\u1ee5c<\/strong>: Sau m\u1ed7i s\u1ef1 c\u1ed1, nh\u00f3m DFIR r\u00fat kinh nghi\u1ec7m, c\u1ea3i ti\u1ebfn quy tr\u00ecnh v\u00e0 \u0111i\u1ec1u ch\u1ec9nh c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba \u0111\u1ec3 gi\u1ea3m thi\u1ec3u r\u1ee7i ro trong t\u01b0\u01a1ng lai.<\/li>\n<\/ol>\n<h2>C\u00e1c lo\u1ea1i DFIR<\/h2>\n<p>DFIR c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i d\u1ef1a tr\u00ean nhi\u1ec1u y\u1ebfu t\u1ed1 kh\u00e1c nhau nh\u01b0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, t\u00ednh ch\u1ea5t c\u1ee7a m\u00f4i tr\u01b0\u1eddng k\u1ef9 thu\u1eadt s\u1ed1, v.v. M\u1ed9t s\u1ed1 danh m\u1ee5c bao g\u1ed3m:<\/p>\n<ol>\n<li><strong>Ph\u00e1p y m\u1ea1ng<\/strong>: \u0110i\u1ec1u tra c\u00e1c s\u1ef1 c\u1ed1 li\u00ean quan \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng m\u1ea1ng.<\/li>\n<li><strong>Ph\u00e1p y \u0111i\u1ec3m cu\u1ed1i<\/strong>: \u0110i\u1ec1u tra c\u00e1c s\u1ef1 c\u1ed1 tr\u00ean c\u00e1c thi\u1ebft b\u1ecb ri\u00eang l\u1ebb nh\u01b0 m\u00e1y t\u00ednh ho\u1eb7c \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh.<\/li>\n<li><strong>Ph\u00e1p y c\u01a1 s\u1edf d\u1eef li\u1ec7u<\/strong>: \u0110i\u1ec1u tra c\u00e1c s\u1ef1 c\u1ed1 li\u00ean quan \u0111\u1ebfn c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/li>\n<li><strong>\u0110i\u1ec1u tra ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i<\/strong>: Ph\u00e2n t\u00edch ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i.<\/li>\n<li><strong>\u0110i\u1ec1u tra \u0111\u00e1m m\u00e2y<\/strong>: \u0110i\u1ec1u tra c\u00e1c s\u1ef1 c\u1ed1 x\u1ea3y ra trong m\u00f4i tr\u01b0\u1eddng d\u1ef1a tr\u00ean \u0111\u00e1m m\u00e2y.<\/li>\n<\/ol>\n<table>\n<thead>\n<tr>\n<th>Ki\u1ec3u<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ph\u00e1p y m\u1ea1ng<\/td>\n<td>\u0110i\u1ec1u tra l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng v\u00e0 nh\u1eadt k\u00fd<\/td>\n<\/tr>\n<tr>\n<td>Ph\u00e1p y \u0111i\u1ec3m cu\u1ed1i<\/td>\n<td>\u0110i\u1ec1u tra c\u00e1c thi\u1ebft b\u1ecb ri\u00eang l\u1ebb<\/td>\n<\/tr>\n<tr>\n<td>Ph\u00e1p y c\u01a1 s\u1edf d\u1eef li\u1ec7u<\/td>\n<td>Nghi\u00ean c\u1ee9u h\u1ec7 th\u1ed1ng c\u01a1 s\u1edf d\u1eef li\u1ec7u<\/td>\n<\/tr>\n<tr>\n<td>\u0110i\u1ec1u tra ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i<\/td>\n<td>Ph\u00e2n t\u00edch ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i v\u00e0 h\u00e0nh vi c\u1ee7a n\u00f3<\/td>\n<\/tr>\n<tr>\n<td>\u0110i\u1ec1u tra \u0111\u00e1m m\u00e2y<\/td>\n<td>\u0110i\u1ec1u tra s\u1ef1 c\u1ed1 tr\u00ean \u0111\u00e1m m\u00e2y<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u1ee8ng d\u1ee5ng DFIR<\/h2>\n<p>DFIR r\u1ea5t c\u1ea7n thi\u1ebft trong vi\u1ec7c gi\u1ea3i quy\u1ebft c\u00e1c s\u1ef1 c\u1ed1 v\u00e0 m\u1ed1i \u0111e d\u1ecda an ninh m\u1ea1ng. N\u00f3 cung c\u1ea5p c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 \u0111i\u1ec1u tra v\u00e0 gi\u1ea3m thi\u1ec3u c\u00e1c m\u1ed1i \u0111e d\u1ecda, t\u1eeb \u0111\u00f3 n\u00e2ng cao t\u00ecnh tr\u1ea1ng an ninh m\u1ea1ng. B\u1ea5t ch\u1ea5p t\u1ea7m quan tr\u1ecdng c\u1ee7a n\u00f3, nh\u1eefng th\u00e1ch th\u1ee9c v\u1eabn c\u00f3 th\u1ec3 n\u1ea3y sinh, bao g\u1ed3m c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 quy\u1ec1n ri\u00eang t\u01b0 d\u1eef li\u1ec7u, c\u00e1c c\u00e2n nh\u1eafc v\u1ec1 m\u1eb7t ph\u00e1p l\u00fd, ti\u1ebfn b\u1ed9 c\u00f4ng ngh\u1ec7 nhanh ch\u00f3ng v\u00e0 s\u1ef1 khan hi\u1ebfm c\u00e1c chuy\u00ean gia l\u00e0nh ngh\u1ec1. Tuy nhi\u00ean, nh\u1eefng th\u00e1ch th\u1ee9c n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u th\u00f4ng qua c\u00e1c ch\u00ednh s\u00e1ch \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng t\u1ed1t, \u0111\u00e0o t\u1ea1o li\u00ean t\u1ee5c v\u00e0 tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n quy \u0111\u1ecbnh.<\/p>\n<h2>So s\u00e1nh DFIR v\u1edbi c\u00e1c \u0111i\u1ec1u kho\u1ea3n t\u01b0\u01a1ng t\u1ef1<\/h2>\n<p>DFIR th\u01b0\u1eddng \u0111\u01b0\u1ee3c so s\u00e1nh v\u1edbi c\u00e1c l\u0129nh v\u1ef1c an ninh m\u1ea1ng kh\u00e1c nh\u01b0 \u0111\u00e1nh gi\u00e1 l\u1ed7 h\u1ed5ng (VA), ki\u1ec3m tra th\u00e2m nh\u1eadp (PT) v\u00e0 th\u00f4ng tin v\u1ec1 m\u1ed1i \u0111e d\u1ecda (TI). M\u1eb7c d\u00f9 c\u00e1c nguy\u00ean t\u1eafc n\u00e0y c\u00f3 m\u1ed9t s\u1ed1 \u0111i\u1ec3m chung v\u1edbi DFIR nh\u01b0ng ch\u00fang kh\u00e1c nhau v\u1ec1 tr\u1ecdng t\u00e2m, m\u1ee5c \u0111\u00edch v\u00e0 ph\u01b0\u01a1ng ph\u00e1p lu\u1eadn.<\/p>\n<table>\n<thead>\n<tr>\n<th>Di\u1ec7n m\u1ea1o<\/th>\n<th>DFIR<\/th>\n<th>VA<\/th>\n<th>PT<\/th>\n<th>TI<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>T\u1eadp trung<\/td>\n<td>\u1ee8ng ph\u00f3 v\u00e0 \u0111i\u1ec1u tra s\u1ef1 c\u1ed1<\/td>\n<td>X\u00e1c \u0111\u1ecbnh c\u00e1c l\u1ed7 h\u1ed5ng ti\u1ec1m \u1ea9n<\/td>\n<td>M\u00f4 ph\u1ecfng c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng m\u1ea1ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh l\u1ed7 h\u1ed5ng<\/td>\n<td>Thu th\u1eadp th\u00f4ng tin v\u1ec1 c\u00e1c m\u1ed1i \u0111e d\u1ecda ti\u1ec1m \u1ea9n<\/td>\n<\/tr>\n<tr>\n<td>M\u1ee5c \u0111\u00edch<\/td>\n<td>Hi\u1ec3u v\u00e0 gi\u1ea3m thi\u1ec3u s\u1ef1 c\u1ed1<\/td>\n<td>Ng\u0103n ch\u1eb7n s\u1ef1 c\u1ed1<\/td>\n<td>C\u1ea3i thi\u1ec7n b\u1ea3o m\u1eadt b\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh \u0111i\u1ec3m y\u1ebfu<\/td>\n<td>Th\u00f4ng b\u00e1o c\u00e1c quy\u1ebft \u0111\u1ecbnh b\u1ea3o m\u1eadt<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 t\u01b0\u01a1ng lai trong DFIR<\/h2>\n<p>T\u01b0\u01a1ng lai c\u1ee7a DFIR c\u00f3 th\u1ec3 s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u00ecnh b\u1edfi nh\u1eefng ti\u1ebfn b\u1ed9 trong c\u00f4ng ngh\u1ec7. Tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o (AI) v\u00e0 H\u1ecdc m\u00e1y (ML) c\u00f3 th\u1ec3 gi\u00fap t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00e1c kh\u00eda c\u1ea1nh ph\u00e1t hi\u1ec7n v\u00e0 \u1ee9ng ph\u00f3 s\u1ef1 c\u1ed1. \u0110i\u1ec7n to\u00e1n l\u01b0\u1ee3ng t\u1eed c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh l\u1ea1i c\u00e1c ti\u00eau chu\u1ea9n m\u00e3 h\u00f3a, \u0111\u00f2i h\u1ecfi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u tra m\u1edbi. Blockchain c\u00f3 th\u1ec3 cung c\u1ea5p nh\u1eefng con \u0111\u01b0\u1eddng m\u1edbi \u0111\u1ec3 b\u1ea3o qu\u1ea3n v\u00e0 x\u00e1c th\u1ef1c b\u1eb1ng ch\u1ee9ng.<\/p>\n<h2>M\u00e1y ch\u1ee7 DFIR v\u00e0 Proxy<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong DFIR. B\u1eb1ng c\u00e1ch duy tr\u00ec nh\u1eadt k\u00fd l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng, h\u1ecd cung c\u1ea5p d\u1eef li\u1ec7u c\u00f3 gi\u00e1 tr\u1ecb cho vi\u1ec7c \u0111i\u1ec1u tra s\u1ef1 c\u1ed1. H\u1ecd c\u0169ng c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 ng\u0103n ch\u1eb7n s\u1ef1 c\u1ed1 b\u1eb1ng c\u00e1ch ch\u1eb7n l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ed9c h\u1ea1i. Do \u0111\u00f3, m\u00e1y ch\u1ee7 proxy \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh t\u1ed1t c\u00f3 th\u1ec3 l\u00e0 t\u00e0i s\u1ea3n c\u00f3 gi\u00e1 tr\u1ecb trong chi\u1ebfn l\u01b0\u1ee3c DFIR.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 DFIR, h\u00e3y tham kh\u1ea3o c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n<ol>\n<li><a href=\"https:\/\/nvlpubs.nist.gov\/nistpubs\/SpecialPublications\/NIST.SP.800-61r2.pdf\" target=\"_new\" rel=\"noopener nofollow\">Vi\u1ec7n Ti\u00eau chu\u1ea9n v\u00e0 C\u00f4ng ngh\u1ec7 Qu\u1ed1c gia (NIST) \u2013 H\u01b0\u1edbng d\u1eabn X\u1eed l\u00fd S\u1ef1 c\u1ed1 An ninh M\u00e1y t\u00ednh<\/a><\/li>\n<li><a href=\"https:\/\/www.sans.org\/cyber-security-courses\/digital-forensics-incident-response\/\" target=\"_new\" rel=\"noopener nofollow\">Vi\u1ec7n SANS - Ph\u00e1p y k\u1ef9 thu\u1eadt s\u1ed1 v\u00e0 \u1ee9ng ph\u00f3 s\u1ef1 c\u1ed1<\/a><\/li>\n<li><a href=\"https:\/\/www.enisa.europa.eu\/topics\/threat-risk-management\/incident-handling-and-digital-forensics\" target=\"_new\" rel=\"noopener nofollow\">ENISA \u2013 X\u1eed l\u00fd s\u1ef1 c\u1ed1 v\u00e0 ph\u00e1p y k\u1ef9 thu\u1eadt s\u1ed1<\/a><\/li>\n<li><a href=\"https:\/\/www.cybrary.it\/course\/incident-response-digital-forensics\/\" target=\"_new\" rel=\"noopener nofollow\">Cybrary \u2013 Ph\u00e1p y k\u1ef9 thu\u1eadt s\u1ed1 v\u00e0 \u1ee9ng ph\u00f3 s\u1ef1 c\u1ed1<\/a><\/li>\n<\/ol>\n<p>H\u00e3y nh\u1edb r\u1eb1ng, khi c\u00e1c m\u1ed1i \u0111e d\u1ecda an ninh m\u1ea1ng ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n, k\u1ef7 lu\u1eadt c\u1ee7a DFIR s\u1ebd v\u1eabn r\u1ea5t quan tr\u1ecdng trong vi\u1ec7c b\u1ea3o v\u1ec7 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng k\u1ef9 thu\u1eadt s\u1ed1 v\u00e0 \u1ee9ng ph\u00f3 hi\u1ec7u qu\u1ea3 v\u1edbi c\u00e1c s\u1ef1 c\u1ed1. Cho d\u00f9 b\u1ea1n l\u00e0 doanh nghi\u1ec7p, nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 nh\u01b0 OneProxy hay ng\u01b0\u1eddi d\u00f9ng c\u00e1 nh\u00e2n, vi\u1ec7c hi\u1ec3u v\u00e0 \u00e1p d\u1ee5ng c\u00e1c nguy\u00ean t\u1eafc DFIR c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 t\u00ecnh tr\u1ea1ng an ninh m\u1ea1ng c\u1ee7a b\u1ea1n.<\/p>","protected":false},"featured_media":476800,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476799","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Understanding Digital Forensics and Incident Response (DFIR)<\/mark>","faq_items":[{"question":"What is DFIR?","answer":"<p>DFIR, or Digital Forensics and Incident Response, is a discipline that involves the identification, investigation, and mitigation of security incidents in digital systems. It also involves the recovery and presentation of digital evidence from those systems.<\/p>"},{"question":"What is the history of DFIR?","answer":"<p>DFIR originated in the 1980s with the rise of computer crimes and was primarily used by law enforcement agencies. The term \"DFIR\" became prevalent in the early 2000s when organizations began forming specialized teams to handle digital investigations and security incident responses.<\/p>"},{"question":"How does DFIR work?","answer":"<p>DFIR follows a structured process known as the Incident Response Lifecycle, which includes preparation, detection and analysis, containment, eradication, and recovery, and post-incident activity. Various tools and methodologies are used at each stage, specific to the nature of the incident and the systems involved.<\/p>"},{"question":"What are the key features of DFIR?","answer":"<p>Key features of DFIR include evidence preservation, thorough analysis of digital data, incident mitigation, clear reporting, and continuous learning from each incident to improve procedures and prevent future risks.<\/p>"},{"question":"What types of DFIR exist?","answer":"<p>DFIR can be categorized based on various factors such as the methodology used and the nature of the digital environment. Some categories include Network Forensics, Endpoint Forensics, Database Forensics, Malware Forensics, and Cloud Forensics.<\/p>"},{"question":"What are some challenges and solutions related to the use of DFIR?","answer":"<p>Challenges in DFIR include data privacy issues, legal considerations, rapid technological advancements, and a scarcity of skilled professionals. These can be mitigated through well-crafted policies, continuous training, and adherence to regulatory standards.<\/p>"},{"question":"How does DFIR compare with similar terms?","answer":"<p>DFIR is often compared with other cybersecurity disciplines such as vulnerability assessment (VA), penetration testing (PT), and threat intelligence (TI). While these disciplines share some overlap with DFIR, they differ in focus, purpose, and methodology.<\/p>"},{"question":"What are the future perspectives and technologies related to DFIR?","answer":"<p>The future of DFIR is likely to be shaped by advancements in technology. Artificial Intelligence (AI) and Machine Learning (ML) may help automate aspects of incident detection and response. Quantum computing could redefine encryption standards, necessitating new forensic approaches. Blockchain could provide new avenues for evidence preservation and authentication.<\/p>"},{"question":"How can proxy servers be used with DFIR?","answer":"<p>Proxy servers provide valuable data for incident investigation by maintaining logs of network traffic. They can also assist in the containment of incidents by blocking malicious traffic, making them a valuable asset in a DFIR strategy.<\/p>"},{"question":"Where can I find more information about DFIR?","answer":"<p>For more information about DFIR, you can visit resources like the National Institute of Standards and Technology (NIST), SANS Institute, ENISA, and Cybrary, which provide detailed guides and courses on Digital Forensics and Incident Response.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/476799","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/476799\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/476800"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=476799"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}