{"id":478369,"date":"2023-08-09T09:31:45","date_gmt":"2023-08-09T09:31:45","guid":{"rendered":""},"modified":"2023-09-05T11:16:38","modified_gmt":"2023-09-05T11:16:38","slug":"password-spraying","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/password-spraying\/","title":{"rendered":"X\u1ecbt m\u1eadt kh\u1ea9u"},"content":{"rendered":"<p>X\u1ecbt m\u1eadt kh\u1ea9u l\u00e0 m\u1ed9t ki\u1ec3u t\u1ea5n c\u00f4ng v\u0169 phu trong \u0111\u00f3 k\u1ebb t\u1ea5n c\u00f4ng c\u1ed1 g\u1eafng truy c\u1eadp m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn t\u00e0i kho\u1ea3n (t\u00ean ng\u01b0\u1eddi d\u00f9ng) b\u1eb1ng m\u1ed9t v\u00e0i m\u1eadt kh\u1ea9u ph\u1ed5 bi\u1ebfn. Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng b\u1ea1o l\u1ef1c truy\u1ec1n th\u1ed1ng v\u1ed1n th\u1eed m\u1ecdi c\u00e1ch k\u1ebft h\u1ee3p m\u1eadt kh\u1ea9u c\u00f3 th\u1ec3 c\u00f3 cho m\u1ed9t ng\u01b0\u1eddi d\u00f9ng, vi\u1ec7c d\u00f2 t\u00ecm m\u1eadt kh\u1ea9u ch\u1ec9 t\u1eadp trung v\u00e0o vi\u1ec7c th\u1eed m\u1ed9t v\u00e0i m\u1eadt kh\u1ea9u tr\u00ean nhi\u1ec1u t\u00e0i kho\u1ea3n.<\/p>\n<h2>L\u1ecbch s\u1eed ngu\u1ed3n g\u1ed1c c\u1ee7a vi\u1ec7c phun m\u1eadt kh\u1ea9u v\u00e0 l\u1ea7n \u0111\u1ea7u ti\u00ean nh\u1eafc \u0111\u1ebfn n\u00f3<\/h2>\n<p>Qu\u00e9t m\u1eadt kh\u1ea9u nh\u01b0 m\u1ed9t thu\u1eadt ng\u1eef v\u00e0 k\u1ef9 thu\u1eadt c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n c\u00f9ng v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng x\u00e1c th\u1ef1c k\u1ef9 thu\u1eadt s\u1ed1. V\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i internet v\u00e0 c\u00e1c n\u1ec1n t\u1ea3ng tr\u1ef1c tuy\u1ebfn, nhu c\u1ea7u b\u1ea3o m\u1eadt t\u00e0i kho\u1ea3n ng\u01b0\u1eddi d\u00f9ng tr\u1edf n\u00ean t\u1ed1i quan tr\u1ecdng. Ngay t\u1eeb nh\u1eefng n\u0103m 1990, nh\u1eefng k\u1ebb t\u1ea5n c\u00f4ng \u0111\u00e3 b\u1eaft \u0111\u1ea7u s\u1eed d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt \u0111\u1ec3 v\u01b0\u1ee3t qua c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt, bao g\u1ed3m c\u1ea3 vi\u1ec7c s\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u chung tr\u00ean nhi\u1ec1u t\u00e0i kho\u1ea3n. \u0110\u1ec1 c\u1eadp mang t\u00ednh h\u1ecdc thu\u1eadt \u0111\u1ea7u ti\u00ean v\u1ec1 c\u00e1c k\u1ef9 thu\u1eadt t\u01b0\u01a1ng t\u1ef1 nh\u01b0 vi\u1ec7c d\u00f2 m\u1eadt kh\u1ea9u c\u00f3 th\u1ec3 b\u1eaft ngu\u1ed3n t\u1eeb c\u00e1c b\u00e0i b\u00e1o th\u1ea3o lu\u1eadn v\u1ec1 an ninh m\u1ea1ng v\u00e0o cu\u1ed1i nh\u1eefng n\u0103m 1990 v\u00e0 \u0111\u1ea7u nh\u1eefng n\u0103m 2000.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 vi\u1ec7c phun m\u1eadt kh\u1ea9u<\/h2>\n<p>Vi\u1ec7c phun m\u1eadt kh\u1ea9u th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u1ed9i ph\u1ea1m m\u1ea1ng s\u1eed d\u1ee5ng \u0111\u1ec3 truy c\u1eadp tr\u00e1i ph\u00e9p v\u00e0o t\u00e0i kho\u1ea3n. K\u1ef9 thu\u1eadt n\u00e0y \u0111\u1eb7c bi\u1ec7t hi\u1ec7u qu\u1ea3 \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng kh\u00f4ng kh\u00f3a t\u00e0i kho\u1ea3n sau m\u1ed9t v\u00e0i l\u1ea7n \u0111\u0103ng nh\u1eadp kh\u00f4ng th\u00e0nh c\u00f4ng.<\/p>\n<h3>Thu\u1eadn l\u1ee3i:<\/h3>\n<ul>\n<li>Tr\u00e1nh c\u01a1 ch\u1ebf kh\u00f3a t\u00e0i kho\u1ea3n<\/li>\n<li>Nh\u1eafm m\u1ee5c ti\u00eau nhi\u1ec1u t\u00e0i kho\u1ea3n c\u00f9ng m\u1ed9t l\u00fac<\/li>\n<li>S\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u th\u00f4ng d\u1ee5ng<\/li>\n<\/ul>\n<h3>R\u1ee7i ro:<\/h3>\n<ul>\n<li>Ph\u00e1t hi\u1ec7n th\u00f4ng qua gi\u00e1m s\u00e1t v\u00e0 c\u00e1c m\u1eabu \u0111\u0103ng nh\u1eadp b\u1ea5t th\u01b0\u1eddng<\/li>\n<li>H\u1eadu qu\u1ea3 ph\u00e1p l\u00fd<\/li>\n<li>Thi\u1ec7t h\u1ea1i danh ti\u1ebfng cho doanh nghi\u1ec7p<\/li>\n<\/ul>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a vi\u1ec7c phun m\u1eadt kh\u1ea9u: C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a vi\u1ec7c phun m\u1eadt kh\u1ea9u<\/h2>\n<ol>\n<li><strong>L\u1ef1a ch\u1ecdn t\u00e0i kho\u1ea3n m\u1ee5c ti\u00eau<\/strong>: K\u1ebb t\u1ea5n c\u00f4ng ch\u1ecdn m\u1ed9t nh\u00f3m t\u00e0i kho\u1ea3n ng\u01b0\u1eddi d\u00f9ng m\u00e0 ch\u00fang mu\u1ed1n nh\u1eafm m\u1ee5c ti\u00eau.<\/li>\n<li><strong>Ch\u1ecdn m\u1eadt kh\u1ea9u ph\u1ed5 bi\u1ebfn<\/strong>: H\u1ecd ch\u1ecdn nh\u1eefng m\u1eadt kh\u1ea9u ph\u1ed5 bi\u1ebfn nh\u01b0 &#039;123456&#039;, &#039;password&#039;, v.v.<\/li>\n<li><strong>C\u1ed1 g\u1eafng \u0111\u0103ng nh\u1eadp<\/strong>: K\u1ebb t\u1ea5n c\u00f4ng th\u1eed c\u00e1c m\u1eadt kh\u1ea9u n\u00e0y tr\u00ean c\u00e1c t\u00e0i kho\u1ea3n m\u00e0 kh\u00f4ng k\u00edch ho\u1ea1t ch\u00ednh s\u00e1ch kh\u00f3a.<\/li>\n<li><strong>Ph\u00e2n t\u00edch t\u1ef7 l\u1ec7 th\u00e0nh c\u00f4ng<\/strong>: K\u1ebb t\u1ea5n c\u00f4ng x\u00e1c \u0111\u1ecbnh nh\u1eefng s\u1ef1 k\u1ebft h\u1ee3p n\u00e0o \u0111\u00e3 th\u00e0nh c\u00f4ng.<\/li>\n<li><strong>\u0110\u1ea1t \u0111\u01b0\u1ee3c quy\u1ec1n truy c\u1eadp tr\u00e1i ph\u00e9p<\/strong>: K\u1ebb t\u1ea5n c\u00f4ng sau \u0111\u00f3 c\u00f3 th\u1ec3 khai th\u00e1c c\u00e1c t\u00e0i kho\u1ea3n b\u1ecb x\u00e2m nh\u1eadp cho m\u1ee5c \u0111\u00edch x\u1ea5u.<\/li>\n<\/ol>\n<h2>Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a vi\u1ec7c phun m\u1eadt kh\u1ea9u<\/h2>\n<ul>\n<li><strong>S\u1ef1 \u0111\u01a1n gi\u1ea3n<\/strong>: Kh\u00f4ng y\u00eau c\u1ea7u c\u00e1c c\u00f4ng c\u1ee5 ho\u1eb7c k\u1ef9 thu\u1eadt ti\u00ean ti\u1ebfn.<\/li>\n<li><strong>Hi\u1ec7u qu\u1ea3<\/strong>: C\u00f3 th\u1ec3 c\u00f3 hi\u1ec7u qu\u1ea3 cao n\u1ebfu ng\u01b0\u1eddi d\u00f9ng s\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u y\u1ebfu ho\u1eb7c ph\u1ed5 bi\u1ebfn.<\/li>\n<li><strong>t\u00e0ng h\u00ecnh<\/strong>: \u00cdt c\u00f3 kh\u1ea3 n\u0103ng k\u00edch ho\u1ea1t kh\u00f3a t\u00e0i kho\u1ea3n ho\u1eb7c c\u1ea3nh b\u00e1o.<\/li>\n<\/ul>\n<h2>C\u00e1c ki\u1ec3u phun m\u1eadt kh\u1ea9u<\/h2>\n<h3>Phun m\u1eadt kh\u1ea9u d\u1ef1a tr\u00ean \u0111\u1ed9 ph\u1ee9c t\u1ea1p<\/h3>\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>Phun \u0111\u01a1n gi\u1ea3n<\/td>\n<td>S\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u r\u1ea5t ph\u1ed5 bi\u1ebfn<\/td>\n<\/tr>\n<tr>\n<td>Phun ph\u1ee9c t\u1ea1p<\/td>\n<td>S\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u ph\u1ed5 bi\u1ebfn ph\u1ee9c t\u1ea1p h\u01a1n, bao g\u1ed3m c\u00e1c bi\u1ebfn th\u1ec3 v\u00e0 k\u1ebft h\u1ee3p<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>X\u1ecbt m\u1eadt kh\u1ea9u d\u1ef1a tr\u00ean m\u1ee5c ti\u00eau<\/h3>\n<table>\n<thead>\n<tr>\n<th>M\u1ee5c ti\u00eau<\/th>\n<th>V\u00ed d\u1ee5 s\u1eed d\u1ee5ng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>C\u00e1 nh\u00e2n<\/td>\n<td>Nh\u1eafm m\u1ee5c ti\u00eau t\u00e0i kho\u1ea3n email c\u00e1 nh\u00e2n<\/td>\n<\/tr>\n<tr>\n<td>T\u1ed5 ch\u1ee9c<\/td>\n<td>Nh\u1eafm m\u1ee5c ti\u00eau m\u1ea1ng c\u00f4ng ty<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1c c\u00e1ch s\u1eed d\u1ee5ng t\u00ednh n\u0103ng phun m\u1eadt kh\u1ea9u, c\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p<\/h2>\n<h3>C\u00e1ch s\u1eed d\u1ee5ng:<\/h3>\n<ul>\n<li>Truy c\u1eadp d\u1eef li\u1ec7u tr\u00e1i ph\u00e9p<\/li>\n<li>Tr\u1ed9m c\u1eafp t\u00e0i s\u1ea3n tr\u00ed tu\u1ec7<\/li>\n<li>H\u00e0nh vi tr\u1ed9m c\u1eafp danh t\u00ednh<\/li>\n<\/ul>\n<h3>C\u00e1c v\u1ea5n \u0111\u1ec1:<\/h3>\n<ul>\n<li>Ph\u00e1t hi\u1ec7n<\/li>\n<li>H\u1eadu qu\u1ea3 ph\u00e1p l\u00fd<\/li>\n<\/ul>\n<h3>C\u00e1c gi\u1ea3i ph\u00e1p:<\/h3>\n<ul>\n<li>Ch\u00ednh s\u00e1ch m\u1eadt kh\u1ea9u m\u1ea1nh<\/li>\n<li>X\u00e1c th\u1ef1c \u0111a y\u1ebfu t\u1ed1<\/li>\n<li>Gi\u00e1m s\u00e1t th\u01b0\u1eddng xuy\u00ean<\/li>\n<\/ul>\n<h2>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 so s\u00e1nh v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1<\/h2>\n<table>\n<thead>\n<tr>\n<th>Thu\u1eadt ng\u1eef<\/th>\n<th>\u0110\u1eb7c tr\u01b0ng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>X\u1ecbt m\u1eadt kh\u1ea9u<\/td>\n<td>Th\u1eed c\u00e1c m\u1eadt kh\u1ea9u ph\u1ed5 bi\u1ebfn tr\u00ean nhi\u1ec1u t\u00e0i kho\u1ea3n<\/td>\n<\/tr>\n<tr>\n<td>T\u1ea5n c\u00f4ng v\u0169 phu<\/td>\n<td>Th\u1eed t\u1ea5t c\u1ea3 c\u00e1c k\u1ebft h\u1ee3p c\u00f3 th\u1ec3 c\u00f3 cho m\u1ed9t t\u00e0i kho\u1ea3n<\/td>\n<\/tr>\n<tr>\n<td>T\u1ea5n c\u00f4ng t\u1eeb \u0111i\u1ec3n<\/td>\n<td>S\u1eed d\u1ee5ng m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c t\u1eeb \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp tr\u01b0\u1edbc ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c t\u1eeb trong t\u1ec7p t\u1eeb \u0111i\u1ec3n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ee7a t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn vi\u1ec7c phun m\u1eadt kh\u1ea9u<\/h2>\n<ul>\n<li>Ph\u00e1t tri\u1ec3n c\u00e1c c\u01a1 ch\u1ebf ph\u00e1t hi\u1ec7n ph\u1ee9c t\u1ea1p h\u01a1n<\/li>\n<li>N\u00e2ng cao nh\u1eadn th\u1ee9c v\u00e0 gi\u00e1o d\u1ee5c v\u1ec1 th\u1ef1c h\u00e0nh m\u1eadt kh\u1ea9u an to\u00e0n<\/li>\n<li>C\u00e1c giao th\u1ee9c b\u1ea3o m\u1eadt n\u00e2ng cao, bao g\u1ed3m x\u00e1c th\u1ef1c sinh tr\u1eafc h\u1ecdc<\/li>\n<\/ul>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft m\u00e1y ch\u1ee7 proxy v\u1edbi vi\u1ec7c phun m\u1eadt kh\u1ea9u<\/h2>\n<p>C\u00e1c m\u00e1y ch\u1ee7 proxy, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c m\u00e1y ch\u1ee7 do OneProxy cung c\u1ea5p, \u0111\u00f4i khi c\u00f3 th\u1ec3 b\u1ecb k\u1ebb t\u1ea5n c\u00f4ng l\u1ea1m d\u1ee5ng \u0111\u1ec3 che gi\u1ea5u danh t\u00ednh c\u1ee7a ch\u00fang trong cu\u1ed9c t\u1ea5n c\u00f4ng r\u1ea3i m\u1eadt kh\u1ea9u. Tuy nhi\u00ean, ch\u00fang c\u0169ng c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a chi\u1ebfn l\u01b0\u1ee3c ph\u00f2ng th\u1ee7 b\u1eb1ng c\u00e1ch gi\u00e1m s\u00e1t, l\u1ecdc v\u00e0 ch\u1eb7n c\u00e1c y\u00eau c\u1ea7u \u0111\u00e1ng ng\u1edd. C\u00e1c nh\u00e0 cung c\u1ea5p m\u00e1y ch\u1ee7 proxy an to\u00e0n v\u00e0 c\u00f3 tr\u00e1ch nhi\u1ec7m ho\u1ea1t \u0111\u1ed9ng \u0111\u1ec3 ng\u0103n ch\u1eb7n vi\u1ec7c s\u1eed d\u1ee5ng c\u00f3 m\u1ee5c \u0111\u00edch x\u1ea5u v\u00e0 g\u00f3p ph\u1ea7n b\u1ea3o m\u1eadt tr\u1ef1c tuy\u1ebfn t\u1ed5ng th\u1ec3.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.nist.gov\" target=\"_new\" rel=\"noopener nofollow\">Nguy\u00ean t\u1eafc c\u1ee7a NIST v\u1ec1 b\u1ea3o m\u1eadt m\u1eadt kh\u1ea9u<\/a><\/li>\n<li><a href=\"https:\/\/owasp.org\" target=\"_new\" rel=\"noopener nofollow\">OWASP v\u1ec1 t\u1ea5n c\u00f4ng m\u1eadt kh\u1ea9u<\/a><\/li>\n<li><a href=\"https:\/\/www.cisa.gov\" target=\"_new\" rel=\"noopener nofollow\">C\u01a1 quan An ninh m\u1ea1ng &amp; C\u01a1 s\u1edf h\u1ea1 t\u1ea7ng (CISA) \u2013 H\u01b0\u1edbng d\u1eabn v\u1ec1 m\u1eadt kh\u1ea9u<\/a><\/li>\n<\/ul>\n<p>L\u01b0u \u00fd: Lu\u00f4n tham kh\u1ea3o \u00fd ki\u1ebfn c\u1ee7a c\u00e1c chuy\u00ean gia ph\u00e1p l\u00fd v\u00e0 an ninh m\u1ea1ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 lu\u1eadt ph\u00e1p v\u00e0 quy \u0111\u1ecbnh t\u1ea1i khu v\u1ef1c ph\u00e1p l\u00fd c\u1ee7a b\u1ea1n.<\/p>","protected":false},"featured_media":478370,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-478369","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Password Spraying<\/mark>","faq_items":[{"question":"What is Password Spraying?","answer":"<p>Password spraying is a brute-force attack method where an attacker attempts to access multiple accounts using a few common passwords. Unlike traditional attacks that target one account with all possible passwords, password spraying tries a few passwords across many accounts.<\/p>"},{"question":"What is the History of Password Spraying?","answer":"<p>Password spraying likely emerged with the rise of digital authentication systems in the late 1990s and early 2000s. The technique became a prominent method for bypassing security measures by using common passwords across multiple accounts.<\/p>"},{"question":"How Does Password Spraying Work?","answer":"<p>Password spraying involves selecting target accounts, choosing common passwords, attempting to log in across the accounts without triggering lockout policies, analyzing the success rate, and then exploiting the compromised accounts for malicious purposes.<\/p>"},{"question":"What Are the Key Features of Password Spraying?","answer":"<p>The key features of password spraying include its simplicity, efficacy, and stealth. It's simple to execute, can be highly effective if weak or common passwords are used, and is less likely to trigger account lockouts or alerts.<\/p>"},{"question":"What Types of Password Spraying Exist?","answer":"<p>Password spraying can be categorized based on complexity (simple or complex) and target (individuals or organizations). Simple spraying uses very common passwords, while complex spraying uses variations and combinations. Targeting can focus on personal email accounts or corporate networks.<\/p>"},{"question":"How Can Password Spraying be Prevented?","answer":"<p>Prevention measures for password spraying include implementing strong password policies, using multi-factor authentication, and regular monitoring for suspicious login activities.<\/p>"},{"question":"What is the Future of Password Spraying?","answer":"<p>The future related to password spraying may involve the development of more sophisticated detection mechanisms, increased awareness regarding secure password practices, and enhanced security protocols like biometric authentication.<\/p>"},{"question":"How Are Proxy Servers Like OneProxy Associated with Password Spraying?","answer":"<p>Proxy servers like OneProxy can be misused by attackers to hide their identity during a password spraying attack. However, responsible providers can also be part of the defense strategy by monitoring, filtering, and blocking suspicious requests to enhance overall online security.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/478369","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\/478369\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/478370"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=478369"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}