OT Security is Less Mature but Progressing Rapidly<\/title> <link href=\"https:\/\/fonts.googleapis.com\/css?family=Open+Sans:300,300i,400,400i,600\" rel=\"stylesheet\">\n<link href=\"\/\/customer.cludo.com\/css\/296\/1798\/cludo-search.min.css\" type=\"text\/css\" rel=\"stylesheet\"> <link rel=\"stylesheet\" href=\"\/etc.clientlibs\/trendresearch\/clientlibs\/clientlib-trendresearch.min.css\" type=\"text\/css\">\n<link rel=\"stylesheet\" href=\"\/etc.clientlibs\/trendmicro\/clientlibs\/trendmicro-core-2\/clientlibs\/header-footer.min.css\" type=\"text\/css\"> <meta property=\"og:url\" content=\"https:\/\/www.trendmicro.com\/en_us\/research\/23\/h\/ot-security-2023.html\"><br \/>\n<meta property=\"og:title\" content=\"OT Security is Less Mature but Progressing Rapidly\"><br \/>\n<meta property=\"og:description\" content=\"The latest study said that OT security is less mature in several capabilities than IT security, but most organizations are improving it.\"><br \/>\n<meta property=\"og:site_name\" content=\"Trend Micro\"><br \/>\n<meta property=\"og:image\" content=\"https:\/\/www.trendmicro.com\/content\/dam\/trendmicro\/global\/en\/research\/thumbnails\/23\/ot-security-2023.png\"><br \/>\n<meta property=\"og:locale\" content=\"en_US\"> <meta name=\"twitter:card\" content=\"summary_large_image\"><br \/>\n<meta name=\"twitter:site\" content=\"@TrendMicro\"><br \/>\n<meta name=\"twitter:title\" content=\"OT Security is Less Mature but Progressing Rapidly\"><br \/>\n<meta name=\"twitter:description\" content=\"The latest study said that OT security is less mature in several capabilities than IT security, but most organizations are improving it.\"><br \/>\n<meta name=\"twitter:image\" content=\"https:\/\/www.trendmicro.com\/content\/dam\/trendmicro\/global\/en\/research\/thumbnails\/23\/ot-security-2023.png\"> <\/head> <body class=\"articlepage page basicpage context-business\" id=\"readabilityBody\" readability=\"49.160009027308\">  <a id=\"page-scroll\" title=\"VerticalPageScroll\" href=\"javascript:jumpScroll($(this).scrollTop());\"> <span class=\"icon-chevron-up\"><\/span> <\/a>  <\/p>\n<div class=\"root responsivegrid\">\n<div class=\"aem-Grid aem-Grid--12 aem-Grid--default--12 \">\n<div class=\"articleBodyNoHero aem-GridColumn aem-GridColumn--default--12\">\n<div class=\"research-layout article container\" role=\"contentinfo\">\n<article class=\"research-layout--wrapper row\" data-article-pageid=\"1815575688\">\n<div class=\"col-xs-12 col-md-12 one-column\">\n<div class=\"col-xs-12 col-md-12\" readability=\"8.234375\">\n<div class=\"article-details\" role=\"heading\" readability=\"35.84375\"> <span class=\"article-details__bar\" role=\"img\"><\/span> <\/p>\n<p class=\"article-details__display-tag\">Compliance & Risks<\/p>\n<p class=\"article-details__description\">The latest study said that OT security is less mature in several capabilities than IT security, but most organizations are improving it.<\/p>\n<p class=\"article-details__author-by\">By: Kazuhisa Tagaya <time class=\"article-details__date\">August 14, 2023<\/time> <span>Read time: <\/span><span class=\"eta\"><\/span> (<span class=\"words\"><\/span> words) <\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<hr class=\"research-layout-divider\"> <main class=\"main--content col-xs-12 col-lg-8 col-lg-push-2\"> <\/p>\n<div class=\"richText\" readability=\"43.165557404326\">\n<div readability=\"33.573211314476\">\n<p>On June 2023, the SANS Institute published a new report, <a href=\"https:\/\/resources.trendmicro.com\/SANS-ICS-OT-Visibility-Survey.html\"><span class=\"bs-modal\">\u201cBreaking IT\/OT Silos With ICS\/OT Visibility\u201d<\/span><\/a> written by Jason Christopher, SANS analyst, with the cooperation of Trend Micro. This survey explores how respondents tackle ICS\/OT visibility challenges, the gaps across the IT-OT boundary, the roadblocks to expanding visibility, and the maturity comparisons from both domains. This survey had nearly 350 respondents responsible for IT and OT security across a wide variety of industrial sectors worldwide.<\/p>\n<p>This article discusses the challenges of current OT visibility while referring to the essence of the report.<\/p>\n<p><span class=\"body-subhead-title\">The cybersecurity capability in OT is less mature than in IT<\/span><\/p>\n<p>In this survey, we asked participants whether OT security for cybersecurity capabilities is less mature or more mature than IT in their organizations with reference to the NIST CSF.<\/p>\n<p>As an average of all items, 39.5% answered that OT has a lower level of maturity. (18% answered OT security is more mature, and 36.4% at the same level)<\/p>\n<p>Categorizing security capabilities into the five cores of the NIST CSF and aggregating them for each core, the most was that Detect is lower maturity in OT security than in IT. (42%)<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"image\">\n<figure class=\"image-figure\"> <img decoding=\"async\" src=\"https:\/\/www.trendmicro.com\/content\/dam\/trendmicro\/global\/en\/research\/23\/h\/ot-security-is-less-mature-but-the-monitoring-progresses-rapidly\/figure-1.png\" alt=\"figure1\"><figcaption>Figure1: What security capabilities in OT are lower than IT (NIST CSF 5 Core)<\/figcaption><\/figure>\n<\/p><\/div>\n<div>\n<div class=\"richText\" readability=\"32.5\">\n<div readability=\"10\">\n<p>Furthermore, looking at the specific security capabilities, the score of \u201cCyber event detection\u201d is the most(45.7%).<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"image\">\n<figure class=\"image-figure\"> <img decoding=\"async\" src=\"https:\/\/www.trendmicro.com\/content\/dam\/trendmicro\/global\/en\/research\/23\/h\/ot-security-is-less-mature-but-the-monitoring-progresses-rapidly\/figure-2.png\" alt=\"figure2\"><figcaption>Figure2: What security capabilities in OT are lower than IT (detail)<\/figcaption><\/figure>\n<\/p><\/div>\n<div class=\"richText\" readability=\"38.5\">\n<div readability=\"22\">\n<p>The OT environment has more diverse legacy assets, and protocol stacks dedicated to ICS\/OT, making it difficult to implement sensors to detect malicious behavior or apply the patches on the assets. The inability to implement uniform measures in the same way as IT security is an obstacle to increasing the maturity level.<\/p>\n<p><span class=\"body-subhead-title\">Detection in OT: Endpoint and Network<\/span><\/p>\n<p>The survey asked respondents about their Endpoint Detection and Response (EDR) and Network Security Monitoring (NSM) implementations to measure their visibility in their OT environments. They answered whether EDR (including antivirus) was implemented in the following three places.<\/p>\n<ul>\n<li><span class=\"rte-red-bullet\">Server assets running commercial OS (Windows, Linux, Unix): 41%<\/span><\/li>\n<li><span class=\"rte-red-bullet\">Engineering (engineering workstations, instrumentation laptops, calibration and test equipment) assets running commercial OS (Windows, Unix, Linux): 34%<\/span><\/li>\n<li><span class=\"rte-red-bullet\">Operator assets (HMI, workstations) running commercial OS (Windows, Linux, Unix): 33%\u3000<\/span><\/li>\n<\/ul>\n<p>In addition, 76% of organizations that have already deployed EDR said they plan to expand their deployment within 24 months.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"image\">\n<figure class=\"image-figure\"> <img decoding=\"async\" src=\"https:\/\/www.trendmicro.com\/content\/dam\/trendmicro\/global\/en\/research\/23\/h\/ot-security-is-less-mature-but-the-monitoring-progresses-rapidly\/figure-3.png\" alt=\"figure3\"><figcaption>Figure3: EDR deployment<\/figcaption><\/figure>\n<\/p><\/div>\n<div class=\"richText\" readability=\"33.5\">\n<div readability=\"12\">\n<p>We also asked whether NSM (including IDS) was implemented at the following levels referring to the Purdue model.<\/p>\n<ul>\n<li><span class=\"rte-red-bullet\">Purdue Level 4 (Enterprise): 30%<\/span><\/li>\n<li><span class=\"rte-red-bullet\">Purdue Level 3.5 (DMZ): 36%<\/span><\/li>\n<li><span class=\"rte-red-bullet\">Purdue Level 3 (Site or SCADA-wide): 38%<\/span><\/li>\n<li><span class=\"rte-red-bullet\">Purdue Level 2 (Control): 20%<\/span><\/li>\n<li><span class=\"rte-red-bullet\">Purdue Levels 1\/0 (Sensors and Actuators): 8%<\/span><\/li>\n<\/ul>\n<p>Like EDR, 70% of organizations that have already implemented NSM said they have plans to expand implementation within 24 months.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"image\">\n<figure class=\"image-figure\"> <img decoding=\"async\" src=\"https:\/\/www.trendmicro.com\/content\/dam\/trendmicro\/global\/en\/research\/23\/h\/ot-security-is-less-mature-but-the-monitoring-progresses-rapidly\/figure-4.png\" alt=\"figure4\"><figcaption>Figure4: NSM deployment<\/figcaption><\/figure>\n<\/p><\/div>\n<div class=\"richText\" readability=\"32.32902584493\">\n<div readability=\"16.601391650099\">\n<p>In this survey, EDR implementation rates tended to vary depending on the respondent’s industry and size of organization. The implementation rate of NSM was relatively high in DMZ and Level 3, and the implementation rate decreased according to the lower layers. But I think it is not appropriate to conclude the decisive trend from the average value in the questions, because there are variations in the places where they are implemented EDR and NSM depending on the organization. The implementation rate shown here is just a rough standard. Where and how much to invest depends on the environment and decision-making of the organization. Asset owners can use the result as a reference to see where to implement EDR and NSM and evaluate their implementation plans.<\/p>\n<p>To learn about how to assess risk in your OT environment to invest appropriately, please refer to our <a href=\"https:\/\/resources.trendmicro.com\/Risk-Assessment-Smart-Factories.html\"><span class=\"bs-modal\">practices of risk assessment in smart factories<\/span><\/a>.<\/p>\n<p>Reference:<br \/><a href=\"https:\/\/resources.trendmicro.com\/SANS-ICS-OT-Visibility-Survey.html\"><span class=\"bs-modal\">Breaking IT\/OT Silos with ICS\/OT Visibility – 2023 SANS ICS\/OT visibility survey<\/span><\/a><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<section class=\"tag--list\">\n<p>Tags<\/p>\n<\/section>\n<p> <\/main> <\/article>\n<\/div>\n<\/div><\/div>\n<\/div>\n<p>   <\/p>\n<p> <span>sXpIBdPeKzI9PC2p0SWMpUSM2NSxWzPyXTMLlbXmYa0R20xk<\/span> <\/p>\n<p>   <\/body> Read More <a href=\"https:\/\/www.trendmicro.com\/en_us\/research\/23\/h\/ot-security-2023.html\">HERE<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The latest study said that OT security is less mature in several capabilities than IT security, but most organizations are improving it. Read More HERE…<\/p>\n","protected":false},"author":2,"featured_media":53227,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_layout":"default_layout","footnotes":""},"categories":[61],"tags":[9510,9538,9842,9514,9516],"class_list":["post-53226","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-trendmicro","tag-trend-micro-research-articles-news-reports","tag-trend-micro-research-compliancerisks","tag-trend-micro-research-ics-ot","tag-trend-micro-research-iot","tag-trend-micro-research-reports"],"yoast_head":"\n<title>OT Security is Less Mature but Progressing Rapidly 2026 | ThreatsHub Cybersecurity News<\/title>\n<meta name=\"description\" content=\"ThreatsHub Cybersecurity News | ThreatsHub.org | Cloud Security & Cyber Threats Analysis Hub. 100% Free OSINT Threat Intelligent and Cybersecurity News.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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