Tại sao website bị hacker tấn công?

{"success":true,"head":"<title>Tại sao website bị hacker tấn công? - CyStack Blog</title>\n<meta name=\"description\" content=\"Khoảng 1% trong tổng số trang web trực tuyến bị tấn công hoặc bị lây nhiễm. Với 1% trên tổng số 944 triệu trang web đang hoạt động, có nghĩa\"/>\n<meta name=\"robots\" content=\"nofollow, noindex\"/>\n<meta property=\"og:locale\" content=\"en_US\" />\n<meta property=\"og:type\" content=\"article\" />\n<meta property=\"og:title\" content=\"Tại sao website bị hacker tấn công? - CyStack Blog\" />\n<meta property=\"og:description\" content=\"Khoảng 1% trong tổng số trang web trực tuyến bị tấn công hoặc bị lây nhiễm. 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Với 1% trên tổng số 944 triệu trang web đang hoạt động, có nghĩa\" />\n<meta name=\"twitter:image\" content=\"https://s.cystack.net/resource/home/content/05143758/website-bi-hacker-tan-cong-01-768x439.png\" />\n<meta name=\"twitter:label1\" content=\"Written by\" />\n<meta name=\"twitter:data1\" content=\"Trung Nguyen\" />\n<meta name=\"twitter:label2\" content=\"Time to read\" />\n<meta name=\"twitter:data2\" content=\"7 minutes\" />\n<script type=\"application/ld+json\" class=\"rank-math-schema\">{\"@context\":\"https://schema.org\",\"@graph\":[{\"@type\":\"Organization\",\"@id\":\"https://blog.cystack.org/#organization\",\"name\":\"CyStack\",\"url\":\"https://blog.cystack.org\"},{\"@type\":\"WebSite\",\"@id\":\"https://blog.cystack.org/#website\",\"url\":\"https://blog.cystack.org\",\"name\":\"CyStack\",\"publisher\":{\"@id\":\"https://blog.cystack.org/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"ImageObject\",\"@id\":\"https://s.cystack.net/resource/home/content/05143758/website-bi-hacker-tan-cong-01.png\",\"url\":\"https://s.cystack.net/resource/home/content/05143758/website-bi-hacker-tan-cong-01.png\",\"width\":\"2917\",\"height\":\"1667\",\"inLanguage\":\"en-US\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https://blog.cystack.org/vi/blog/2018/04/05/tai-sao-website-bi-hacker-tan-cong/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":\"1\",\"item\":{\"@id\":\"https://blog.cystack.org\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"position\":\"2\",\"item\":{\"@id\":\"https://blog.cystack.org/vi/blog/2018/04/05/tai-sao-website-bi-hacker-tan-cong/\",\"name\":\"T\\u1ea1i sao website b\\u1ecb hacker t\\u1ea5n c\\u00f4ng?\"}}]},{\"@type\":\"WebPage\",\"@id\":\"https://blog.cystack.org/vi/blog/2018/04/05/tai-sao-website-bi-hacker-tan-cong/#webpage\",\"url\":\"https://blog.cystack.org/vi/blog/2018/04/05/tai-sao-website-bi-hacker-tan-cong/\",\"name\":\"T\\u1ea1i sao website b\\u1ecb hacker t\\u1ea5n c\\u00f4ng? - CyStack Blog\",\"datePublished\":\"2018-04-05T16:04:14+07:00\",\"dateModified\":\"2026-06-23T20:09:03+07:00\",\"isPartOf\":{\"@id\":\"https://blog.cystack.org/#website\"},\"primaryImageOfPage\":{\"@id\":\"https://s.cystack.net/resource/home/content/05143758/website-bi-hacker-tan-cong-01.png\"},\"inLanguage\":\"en-US\",\"breadcrumb\":{\"@id\":\"https://blog.cystack.org/vi/blog/2018/04/05/tai-sao-website-bi-hacker-tan-cong/#breadcrumb\"}},{\"@type\":\"Person\",\"@id\":\"https://blog.cystack.org/author/trungnh/\",\"name\":\"Trung Nguyen\",\"url\":\"https://blog.cystack.org/author/trungnh/\",\"image\":{\"@type\":\"ImageObject\",\"@id\":\"https://secure.gravatar.com/avatar/5e1e19d9b81295eeafdbc4175f18cc5b99a688411b0b5a2189c63881dff568b1?s=96&amp;d=mm&amp;r=g\",\"url\":\"https://secure.gravatar.com/avatar/5e1e19d9b81295eeafdbc4175f18cc5b99a688411b0b5a2189c63881dff568b1?s=96&amp;d=mm&amp;r=g\",\"caption\":\"Trung Nguyen\",\"inLanguage\":\"en-US\"},\"sameAs\":[\"CEO@CyStack\"],\"worksFor\":{\"@id\":\"https://blog.cystack.org/#organization\"}},{\"@type\":\"BlogPosting\",\"headline\":\"T\\u1ea1i sao website b\\u1ecb hacker t\\u1ea5n c\\u00f4ng? - CyStack Blog\",\"keywords\":\"website b\\u1ecb hacker t\\u1ea5n c\\u00f4ng\",\"datePublished\":\"2018-04-05T16:04:14+07:00\",\"dateModified\":\"2026-06-23T20:09:03+07:00\",\"author\":{\"@id\":\"https://blog.cystack.org/author/trungnh/\",\"name\":\"Trung Nguyen\"},\"publisher\":{\"@id\":\"https://blog.cystack.org/#organization\"},\"description\":\"Kho\\u1ea3ng 1% trong t\\u1ed5ng s\\u1ed1 trang web tr\\u1ef1c tuy\\u1ebfn b\\u1ecb t\\u1ea5n c\\u00f4ng ho\\u1eb7c b\\u1ecb l\\u00e2y nhi\\u1ec5m. 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