{"id":2908,"date":"2024-10-12T04:33:24","date_gmt":"2024-10-12T04:33:24","guid":{"rendered":"https:\/\/tastycounter.net\/index.php\/2024\/10\/12\/tai-sao-thay-doi-mat-khau-thuong-xuyen-khong-phai-la-mot-y-kien-hay\/"},"modified":"2024-10-12T04:33:24","modified_gmt":"2024-10-12T04:33:24","slug":"tai-sao-thay-doi-mat-khau-thuong-xuyen-khong-phai-la-mot-y-kien-hay","status":"publish","type":"post","link":"https:\/\/tastycounter.net\/index.php\/2024\/10\/12\/tai-sao-thay-doi-mat-khau-thuong-xuyen-khong-phai-la-mot-y-kien-hay\/","title":{"rendered":"T\u1ea1i sao thay \u0111\u1ed5i m\u1eadt kh\u1ea9u th\u01b0\u1eddng xuy\u00ean kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t \u00fd ki\u1ebfn hay?"},"content":{"rendered":"<\/p>\n<div class=\"content-detail textview\">\n<p>M\u1ed9t trong nh\u1eefng ki\u1ebfn \u200b\u200bth\u1ee9c b\u1ea3o m\u1eadt m\u1eadt kh\u1ea9u b\u1ec1n v\u1eefng nh\u1ea5t l\u00e0 vi\u1ec7c thay \u0111\u1ed5i m\u1eadt kh\u1ea9u th\u01b0\u1eddng xuy\u00ean s\u1ebd t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt. \u00cdt nh\u1ea5t, \u0111\u00f3 l\u00e0 nh\u1eefng g\u00ec c\u00e1c nh\u00f3m CNTT tr\u00ean to\u00e0n th\u1ebf gi\u1edbi \u0111\u00e3 th\u00fac \u0111\u1ea9y m\u1ecdi ng\u01b0\u1eddi trong nhi\u1ec1u th\u1eadp k\u1ef7.<\/p>\n<p>Tuy nhi\u00ean, l\u1eddi khuy\u00ean \u0111\u00f3 lu\u00f4n g\u1eb7p ph\u1ea3i s\u1ef1 ph\u1ea3n \u0111\u1ed1i. Nhi\u1ec1u ng\u01b0\u1eddi trong ng\u00e0nh b\u1ea3o m\u1eadt cho r\u1eb1ng \u0111i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn vi\u1ec7c \u0111\u1eb7t m\u1eadt kh\u1ea9u v\u1eabn d\u1ec5 nh\u1edb. B\u00e2y gi\u1edd, nghi\u00ean c\u1ee9u \u0111\u00e3 ch\u1ee9ng minh cho l\u00fd thuy\u1ebft n\u00e0y, minh h\u1ecda r\u1eb1ng vi\u1ec7c thay \u0111\u1ed5i m\u1eadt kh\u1ea9u th\u01b0\u1eddng xuy\u00ean s\u1ebd d\u1eabn \u0111\u1ebfn c\u00e1c v\u1ea5n \u0111\u1ec1 b\u1ea3o m\u1eadt.<\/p>\n<h2>Thay \u0111\u1ed5i m\u1eadt kh\u1ea9u th\u01b0\u1eddng xuy\u00ean d\u1eabn \u0111\u1ebfn b\u1ea3o m\u1eadt k\u00e9m<\/h2>\n<p>Nhi\u1ec1u ng\u01b0\u1eddi trong s\u1ed1 ch\u00fang ta th\u1ea5y vi\u1ec7c thay \u0111\u1ed5i m\u1eadt kh\u1ea9u b\u1eaft bu\u1ed9c \u0111\u00e1ng s\u1ee3 c\u1ee9 sau 4, 6 ho\u1eb7c 8 tu\u1ea7n. M\u1ed9t nh\u00f3m CNTT th\u00fac \u0111\u1ea9y \u00fd t\u01b0\u1edfng l\u00e0 vi\u1ec7c thay \u0111\u1ed5i m\u1eadt kh\u1ea9u c\u1ee7a b\u1ea1n s\u1ebd khi\u1ebfn m\u1ecdi vi ph\u1ea1m b\u1ea3o m\u1eadt tr\u1edf n\u00ean v\u00f4 ngh\u0129a, v\u00ec m\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u s\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u m\u1edbi.<\/p>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/st.quantrimang.com\/photos\/image\/holder.png\" width=\"1100\" height=\"618\" class=\"lazy\" data-src=\"https:\/\/st.quantrimang.com\/photos\/image\/2024\/10\/12\/tai-sao-khong-nen-doi-mat-khau-thuong-xuyen-1.png\"><\/figure>\n<div id=\"articleads\" class=\"adbox adsense in-article\"><ins class=\"adsbygoogle\" style=\"text-align:center\" data-ad-format=\"fluid\" data-ad-layout=\"in-article\" data-ad-client=\"ca-pub-9275417305531302\" data-ad-slot=\"2079243249\"><\/ins><\/div>\n<p>Tr\u00ean th\u1ef1c t\u1ebf, \u0111i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn c\u00e1c \u0111i\u1ec3m y\u1ebfu khi t\u1ea1o m\u1eadt kh\u1ea9u. Thay v\u00ec t\u1ea1o m\u1eadt kh\u1ea9u m\u1ea1nh, \u0111\u1ed9c \u0111\u00e1o v\u00e0 kh\u00f3 \u0111o\u00e1n, h\u1ea7u h\u1ebft m\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u ch\u1ecdn m\u1eadt kh\u1ea9u d\u1ec5 nh\u1edb v\u1edbi nh\u1eefng ph\u1ea7n nh\u1ecf \u0111\u01b0\u1ee3c l\u1eb7p l\u1ea1i.<\/p>\n<p>V\u00ed d\u1ee5, m\u1eadt kh\u1ea9u m\u1ea1nh v\u1edbi 16 k\u00fd t\u1ef1 c\u00f3 th\u1ec3 l\u00e0 &#8220;hS&#8217;9{yX?Fzu#=_:R&#8221;, bao g\u1ed3m h\u1ed7n h\u1ee3p ch\u1eef hoa v\u00e0 ch\u1eef th\u01b0\u1eddng, s\u1ed1 v\u00e0 k\u00fd hi\u1ec7u. Th\u1eadt kh\u00f3 \u0111\u1ec3 nh\u1edb, nh\u01b0ng theo th\u1eddi gian, b\u1ea1n s\u1ebd ghi nh\u1edb \u0111\u01b0\u1ee3c. Trong khi n\u1ebfu ph\u1ea3i thay \u0111\u1ed5i m\u1eadt kh\u1ea9u h\u00e0ng th\u00e1ng, b\u1ea1n s\u1ebd kh\u00f4ng c\u00f3 th\u1eddi gian \u0111\u1ec3 ghi nh\u1edb \u0111i\u1ec1u n\u00e0y. Do \u0111\u00f3, m\u1ecdi ng\u01b0\u1eddi b\u1eaft \u0111\u1ea7u s\u1eed d\u1ee5ng c\u00e1c c\u1ee5m t\u1eeb d\u1ec5 nh\u1edb h\u01a1n v\u1edbi nh\u1eefng ph\u1ea7n nh\u1ecf \u0111\u01b0\u1ee3c l\u1eb7p l\u1ea1i.<\/p>\n<ul>\n<li>Th\u00e1ng 1: <strong>difficultpassword1<\/strong><\/li>\n<li>Th\u00e1ng 2: <strong>d1fficultpassword2<\/strong><\/li>\n<li>Th\u00e1ng 3: <strong>d1ff1cultp4ssword3<\/strong><\/li>\n<li>V,v&#8230;<\/li>\n<\/ul>\n<h2>Ch\u1ecdn m\u1eadt kh\u1ea9u m\u1ea1nh, duy nh\u1ea5t (ho\u1eb7c s\u1eed d\u1ee5ng tr\u00ecnh qu\u1ea3n l\u00fd m\u1eadt kh\u1ea9u)<\/h2>\n<p>Trung t\u00e2m an ninh m\u1ea1ng qu\u1ed1c gia V\u01b0\u01a1ng qu\u1ed1c Anh \u0111\u00e3 khuy\u1ebfn c\u00e1o kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u th\u00f4ng th\u01b0\u1eddng k\u1ec3 t\u1eeb n\u0103m 2015 v\u00e0 hi\u1ec7n t\u1ea1i, v\u00e0o n\u0103m 2024, Vi\u1ec7n ti\u00eau chu\u1ea9n qu\u1ed1c gia \u0111ang l\u00e0m theo.<\/p>\n<p>L\u1eddi khuy\u00ean m\u1edbi c\u1ee7a h\u1ecd khuy\u1ebfn ngh\u1ecb m\u1eadt kh\u1ea9u h\u1ebft h\u1ea1n sau m\u1ed7i 365 ng\u00e0y, thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 khung th\u1eddi gian &#8211; v\u00e0 t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt.<\/p>\n<p>\u0110\u1ed3ng th\u1eddi, NIST c\u0169ng \u0111ang c\u1eadp nh\u1eadt th\u00f4ng \u0111i\u1ec7p c\u1ee7a m\u00ecnh v\u1ec1 \u0111\u1ed9 d\u00e0i v\u00e0 \u0111\u1ed9 m\u1ea1nh c\u1ee7a m\u1eadt kh\u1ea9u. Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, c\u00e1c quy t\u1eafc t\u1ea1o m\u1eadt kh\u1ea9u gi\u1edbi h\u1ea1n ng\u01b0\u1eddi d\u00f9ng \u1edf m\u1ee9c 12 k\u00fd t\u1ef1 ho\u1eb7c kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng m\u1ed9t s\u1ed1 k\u00fd hi\u1ec7u nh\u1ea5t \u0111\u1ecbnh. Hi\u1ec7n t\u1ea1i, NIST khuy\u00ean r\u1eb1ng t\u1ea5t c\u1ea3 m\u1eadt kh\u1ea9u ph\u1ea3i:<\/p>\n<ul>\n<li>T\u1ed1i thi\u1ec3u 15 k\u00fd t\u1ef1<\/li>\n<li>T\u1ed1i \u0111a 64 k\u00fd t\u1ef1<\/li>\n<li>Bao g\u1ed3m t\u1ea5t c\u1ea3 c\u00e1c k\u00fd t\u1ef1 ASCII, k\u00fd t\u1ef1 kho\u1ea3ng tr\u1eafng v\u00e0 k\u00fd t\u1ef1 Unicode<\/li>\n<\/ul>\n<p>Nh\u1eefng thay \u0111\u1ed5i n\u00e0y c\u00f3 ngh\u0129a l\u00e0 nhi\u1ec1u tr\u01b0\u1eddng nh\u1eadp m\u1eadt kh\u1ea9u h\u01a1n s\u1ebd cho ph\u00e9p c\u00e1c c\u1ee5m m\u1eadt kh\u1ea9u m\u1ea1nh v\u00e0 d\u1ec5 nh\u1edb h\u01a1n, trong khi \u0111\u1ed9 m\u1ea1nh t\u1ed5ng th\u1ec3 c\u1ee7a m\u1eadt kh\u1ea9u c\u0169ng \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng.<\/p>\n<p>T\u1ea5t nhi\u00ean, b\u1ea5t k\u1ef3 t\u1ed5 ch\u1ee9c n\u00e0o quan t\u00e2m \u0111\u1ebfn b\u1ea3o m\u1eadt m\u1eadt kh\u1ea9u \u0111\u1ec1u n\u00ean cho ph\u00e9p s\u1eed d\u1ee5ng tr\u00ecnh qu\u1ea3n l\u00fd m\u1eadt kh\u1ea9u. C\u00f3 nh\u1eefng c\u00e2n nh\u1eafc b\u1ea3o m\u1eadt b\u1ed5 sung li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng tr\u00ecnh qu\u1ea3n l\u00fd m\u1eadt kh\u1ea9u, ch\u1eb3ng h\u1ea1n nh\u01b0 l\u01b0u tr\u1eef d\u1eef li\u1ec7u c\u1ee5c b\u1ed9, m\u00e3 h\u00f3a zero-knowledge, v.v&#8230;, nh\u01b0ng \u0111\u00e2y l\u00e0 c\u00e1ch t\u1ed1t nh\u1ea5t \u0111\u1ec3 b\u1ea3o v\u1ec7 t\u1ea5t c\u1ea3 t\u00e0i kho\u1ea3n c\u1ee7a b\u1ea1n b\u1eb1ng m\u1eadt kh\u1ea9u m\u1ea1nh.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>M\u1ed9t trong nh\u1eefng ki\u1ebfn \u200b\u200bth\u1ee9c b\u1ea3o m\u1eadt m\u1eadt kh\u1ea9u b\u1ec1n v\u1eefng nh\u1ea5t l\u00e0 vi\u1ec7c thay \u0111\u1ed5i m\u1eadt kh\u1ea9u th\u01b0\u1eddng xuy\u00ean s\u1ebd t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt. \u00cdt nh\u1ea5t, \u0111\u00f3 l\u00e0 nh\u1eefng g\u00ec c\u00e1c nh\u00f3m CNTT tr\u00ean to\u00e0n th\u1ebf gi\u1edbi \u0111\u00e3 th\u00fac \u0111\u1ea9y m\u1ecdi ng\u01b0\u1eddi trong nhi\u1ec1u th\u1eadp k\u1ef7. Tuy nhi\u00ean, l\u1eddi khuy\u00ean \u0111\u00f3 lu\u00f4n g\u1eb7p ph\u1ea3i [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2909,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2908","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-khong-phan-loai"],"_links":{"self":[{"href":"https:\/\/tastycounter.net\/index.php\/wp-json\/wp\/v2\/posts\/2908","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tastycounter.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tastycounter.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tastycounter.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tastycounter.net\/index.php\/wp-json\/wp\/v2\/comments?post=2908"}],"version-history":[{"count":0,"href":"https:\/\/tastycounter.net\/index.php\/wp-json\/wp\/v2\/posts\/2908\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tastycounter.net\/index.php\/wp-json\/wp\/v2\/media\/2909"}],"wp:attachment":[{"href":"https:\/\/tastycounter.net\/index.php\/wp-json\/wp\/v2\/media?parent=2908"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tastycounter.net\/index.php\/wp-json\/wp\/v2\/categories?post=2908"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tastycounter.net\/index.php\/wp-json\/wp\/v2\/tags?post=2908"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}