{"id":4472,"date":"2026-06-02T15:48:25","date_gmt":"2026-06-02T13:48:25","guid":{"rendered":"https:\/\/puurdata.nl\/?page_id=4472"},"modified":"2026-06-04T11:19:44","modified_gmt":"2026-06-04T09:19:44","slug":"what-is-siem","status":"publish","type":"page","link":"https:\/\/puurdata.nl\/uk\/security\/wat-is-siem\/","title":{"rendered":"SIEM staat voor Security Information and Event Management. Het is een oplossing die gegevens van verschillende bronnen binnen een IT-infrastructuur verzamelt, analyseert en correleert om bedreigingen, beveiligingsincidenten en ongebruikelijk gedrag te detecteren.\n\nSIEM is relevant wanneer een organisatie:\n\n*   **Veel beveiligingsdreigingen ervaart:** Naarmate het aantal en de complexiteit van cyberaanvallen toenemen, helpt SIEM om deze tijdig te identificeren en te reageren.\n*   **Moet voldoen aan regelgeving en compliancy-eisen:** Veel branches hebben specifieke wetten en normen (zoals GDPR, HIPAA, PCI DSS) die vereisen dat gegevens over beveiligingsincidenten worden gelogd, gemonitord en gerapporteerd. SIEM-systemen helpen hierbij.\n*   **Een centraal overzicht van beveiligingsgegevens nodig heeft:** Zonder SIEM kunnen beveiligingslogs verspreid zijn over verschillende systemen, wat het moeilijk maakt om een compleet beeld te krijgen van wat er gebeurt.\n*   **Sneller wil reageren op incidenten:** Door de analyse en correlatie van gebeurtenissen kan SIEM beveiligingsanalisten helpen om incidenten sneller te detecteren en te reageren, wat de impact van een aanval kan beperken.\n*   **Meer inzicht wil in zijn IT-omgeving:** SIEM kan helpen bij het identificeren van kwetsbaarheden, misbruik van privileges en afwijkend gedrag van gebruikers of systemen.\n*   **Een grote en\/of complexe IT-infrastructuur heeft:** In omgevingen met veel servers, netwerkapparaten, applicaties en eindpunten wordt het beheer van beveiligingsinformatie onoverzichtelijk zonder een geautomatiseerd systeem als SIEM.\n*   **Proactief beveiligingsrisico's wil managen:** In plaats van alleen achteraf te reageren op incidenten, stelt SIEM organisaties in staat om potenti\u00eble bedreigingen te identificeren voordat ze schade aanrichten."},"content":{"rendered":"<div id=\"fws_6a7acd1304942\"  data-column-margin=\"default\" data-midnight=\"dark\"  class=\"wpb_row vc_row-fluid vc_row full-width-section\"  style=\"padding-top: 0px; padding-bottom: 0px; \"><div class=\"row-bg-wrap\" data-bg-animation=\"none\" data-bg-animation-delay=\"\" data-bg-overlay=\"false\"><div class=\"inner-wrap row-bg-layer using-image\" ><div class=\"row-bg viewport-desktop using-image\"  style=\"background-image: url(https:\/\/puurdata.nl\/wp-content\/uploads\/2019\/07\/header.png); background-position: center bottom; background-repeat: no-repeat; \"><\/div><\/div><\/div><div class=\"row_col_wrap_12 col span_12 dark left\">\n\t<div  class=\"vc_col-sm-12 wpb_column column_container vc_column_container col no-extra-padding inherit_tablet inherit_phone\"  data-padding-pos=\"all\" data-has-bg-color=\"false\" data-bg-color=\"\" data-bg-opacity=\"1\" data-animation=\"\" data-delay=\"0\" >\n\t\t<div class=\"vc_column-inner\" >\n\t\t\t<div class=\"wpb_wrapper\">\n\t\t\t\t<div id=\"fws_6a7acd130567d\" data-midnight=\"\" data-column-margin=\"default\" class=\"wpb_row vc_row-fluid vc_row inner_row vc_row-o-equal-height vc_row-flex vc_row-o-content-middle\"  style=\"padding-top: 10%; padding-bottom: 20%; \"><div class=\"row-bg-wrap\"> <div class=\"row-bg\" ><\/div> <\/div><div class=\"row_col_wrap_12_inner col span_12  left\">\n\t<div  class=\"vc_col-sm-8 wpb_column column_container vc_column_container col child_column padding-2-percent inherit_tablet inherit_phone\"   data-padding-pos=\"right\" data-has-bg-color=\"false\" data-bg-color=\"\" data-bg-opacity=\"1\" data-animation=\"\" data-delay=\"0\" >\n\t\t<div class=\"vc_column-inner\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h1 style=\"text-align: left\" class=\"vc_custom_heading vc_do_custom_heading headerText\" >SIEM staat voor Security Information and Event Management. Het is een oplossing die gegevens van verschillende bronnen binnen een IT-infrastructuur verzamelt, analyseert en correleert om bedreigingen, beveiligingsincidenten en ongebruikelijk gedrag te detecteren.\n\nSIEM is relevant wanneer een organisatie:\n\n*   **Veel beveiligingsdreigingen ervaart:** Naarmate het aantal en de complexiteit van cyberaanvallen toenemen, helpt SIEM om deze tijdig te identificeren en te reageren.\n*   **Moet voldoen aan regelgeving en compliancy-eisen:** Veel branches hebben specifieke wetten en normen (zoals GDPR, HIPAA, PCI DSS) die vereisen dat gegevens over beveiligingsincidenten worden gelogd, gemonitord en gerapporteerd. SIEM-systemen helpen hierbij.\n*   **Een centraal overzicht van beveiligingsgegevens nodig heeft:** Zonder SIEM kunnen beveiligingslogs verspreid zijn over verschillende systemen, wat het moeilijk maakt om een compleet beeld te krijgen van wat er gebeurt.\n*   **Sneller wil reageren op incidenten:** Door de analyse en correlatie van gebeurtenissen kan SIEM beveiligingsanalisten helpen om incidenten sneller te detecteren en te reageren, wat de impact van een aanval kan beperken.\n*   **Meer inzicht wil in zijn IT-omgeving:** SIEM kan helpen bij het identificeren van kwetsbaarheden, misbruik van privileges en afwijkend gedrag van gebruikers of systemen.\n*   **Een grote en\/of complexe IT-infrastructuur heeft:** In omgevingen met veel servers, netwerkapparaten, applicaties en eindpunten wordt het beheer van beveiligingsinformatie onoverzichtelijk zonder een geautomatiseerd systeem als SIEM.\n*   **Proactief beveiligingsrisico's wil managen:** In plaats van alleen achteraf te reageren op incidenten, stelt SIEM organisaties in staat om potenti\u00eble bedreigingen te identificeren voordat ze schade aanrichten.<\/h1>\n\t\t<\/div> \n\t<\/div>\n\t<\/div> \n\n\t<div  class=\"vc_col-sm-4 wpb_column column_container vc_column_container col child_column padding-2-percent inherit_tablet inherit_phone\"   data-padding-pos=\"left\" data-has-bg-color=\"false\" data-bg-color=\"\" data-bg-opacity=\"1\" data-animation=\"\" data-delay=\"0\" >\n\t\t<div class=\"vc_column-inner\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t\n\t\t<\/div> \n\t<\/div>\n\t<\/div> \n<\/div><\/div>\n\t\t\t<\/div> \n\t\t<\/div>\n\t<\/div> \n<\/div><\/div>\n\t\t<div id=\"fws_6a7acd1306e4e\"  data-column-margin=\"default\" data-midnight=\"dark\"  class=\"wpb_row vc_row-fluid vc_row\"  style=\"padding-top: 100px; padding-bottom: 100px; \"><div class=\"row-bg-wrap\" data-bg-animation=\"none\" data-bg-animation-delay=\"\" data-bg-overlay=\"false\"><div class=\"inner-wrap row-bg-layer\" ><div class=\"row-bg viewport-desktop\"  style=\"\"><\/div><\/div><\/div><div class=\"row_col_wrap_12 col span_12 dark left\">\n\t<div  class=\"vc_col-sm-8 wpb_column column_container vc_column_container col no-extra-padding inherit_tablet inherit_phone\"  data-padding-pos=\"all\" data-has-bg-color=\"false\" data-bg-color=\"\" data-bg-opacity=\"1\" data-animation=\"\" data-delay=\"0\" >\n\t\t<div class=\"vc_column-inner\" >\n\t\t\t<div class=\"wpb_wrapper\">\n\t\t\t\t\n<div class=\"wpb_text_column wpb_content_element\" >\n\t<div class=\"wpb_wrapper\">\n\t\t<h2>Better control over risks and threats<\/h2>\n<p>Many organisations have their security well in hand. There are firewalls, monitoring tools and various security measures. Yet, an overview is often lacking. Security information is scattered across different systems. This makes it time-consuming to investigate incidents and more difficult to identify risks promptly.<\/p>\n<p>SIEM helps to bring that information together.<\/p>\n<h2>Wat is SIEM?<\/h2>\n<p>SIEM stands for Security Information and Event Management. Put simply, a SIEM solution collects information from various systems and brings it together in one central overview. This provides better insight into what is happening within the IT environment and allows anomalies to be detected more quickly.<\/p>\n<p>The aim is not to collect more data, but to understand faster what that data means.<\/p>\n<h2>SIEM is relevant quando.<\/h2>\n<p>The need for SIEM often doesn't arise overnight. Most organisations start with individual monitoring tools and security solutions. This works fine as long as the environment remains manageable.<\/p>\n<p>However, as more systems, applications, and cloud environments are added, making connections becomes increasingly difficult. Information becomes scattered, incidents are harder to investigate, and it takes more time to determine exactly what is happening.<\/p>\n<p>These are often the first signs that a centralised approach is becoming necessary.<\/p>\n<h2>Greater insight into a complex environment<\/h2>\n<p>SIEM becomes particularly interesting when security no longer revolves around a single system, but around the coherence between different systems. It is precisely then that a central environment helps to identify deviations more quickly, investigate events and better assess risks.<\/p>\n<p>In addition, regulations such as <a href=\"https:\/\/puurdata.nl\/uk\/nis2\/\">NIS2<\/a> a growing role for many organisations. Here too, insight into events, logging and monitoring becomes more important.<\/p>\n<h2>Hoe helpt Elastic SIEM?<\/h2>\n<p><a href=\"https:\/\/puurdata.nl\/uk\/elastic-expertise\/elastic-siem\/\">Elastic SIEM<\/a> brings security data from various sources together in one environment. This not only creates more overview, but also makes it easier to investigate incidents and respond more quickly to potential threats.<\/p>\n<p>Furthermore, for organisations already using Elastic, this creates a powerful combination of observability, security and data analysis within a single platform.<\/p>\n<h2>Is SIEM relevant for your organisation?<\/h2>\n<p>It depends on the complexity of your environment, the amount of security data, and your need for insight.<\/p>\n<p>Unsure if SIEM is relevant for your organisation? Our Security Quickscan identifies your current position, challenges, and areas with the greatest potential for improvement.<\/p>\n\t<\/div>\n<\/div>\n\n\n\n<a class=\"nectar-button large regular accent-color  regular-button\"  role=\"button\" style=\"\"  href=\"https:\/\/puurdata.nl\/uk\/sicherheitscans\/\" data-color-override=\"false\" data-hover-color-override=\"false\" data-hover-text-color-override=\"#fff\"><span>Plan your Security Quickscan<\/span><\/a>\n\t\t\t<\/div> \n\t\t<\/div>\n\t<\/div> \n\n\t<div  class=\"vc_col-sm-4 wpb_column column_container vc_column_container col no-extra-padding inherit_tablet inherit_phone\"  data-padding-pos=\"all\" data-has-bg-color=\"false\" data-bg-color=\"\" data-bg-opacity=\"1\" data-animation=\"\" data-delay=\"0\" >\n\t\t<div class=\"vc_column-inner\" >\n\t\t\t<div class=\"wpb_wrapper\">\n\t\t\t\t<h4 style=\"color: #e9812e;text-align: left;font-family:Abril Fatface;font-weight:400;font-style:normal\" class=\"vc_custom_heading vc_do_custom_heading\" >Latest news<\/h4>\n    <div class=\"row blog-recent columns-1\" data-style=\"classic_enhanced\" data-color-scheme=\"light\" data-remove-post-date=\"1\" data-remove-post-author=\"1\" data-remove-post-comment-number=\"1\" data-remove-post-nectar-love=\"1\">\n\n      \n      <div class=\"col span_12 post-4505 post type-post status-publish format-standard has-post-thumbnail category-headlines\" >\n\n        \n            <div class=\"inner-wrap post-4505 post type-post status-publish format-standard has-post-thumbnail category-headlines\">\n\n            <a href=\"https:\/\/puurdata.nl\/uk\/save-the-date-elasticon-amsterdam-2026\/\"  class=\"img-link\"><span class=\"post-featured-img\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"403\" src=\"https:\/\/puurdata.nl\/wp-content\/uploads\/2026\/06\/photo-elasticon-2026-attendees-600x403.jpg\" class=\"attachment-portfolio-thumb size-portfolio-thumb wp-post-image\" alt=\"\" title=\"\" sizes=\"auto, (min-width: 1000px) 100vw, (min-width: 690px) 100vw, 100vw\" srcset=\"https:\/\/puurdata.nl\/wp-content\/uploads\/2026\/06\/photo-elasticon-2026-attendees-600x403.jpg 600w, https:\/\/puurdata.nl\/wp-content\/uploads\/2026\/06\/photo-elasticon-2026-attendees-18x12.jpg 18w, https:\/\/puurdata.nl\/wp-content\/uploads\/2026\/06\/photo-elasticon-2026-attendees-400x269.jpg 400w\" \/><\/span><\/a><span class=\"meta-category\"><a class=\"headlines\" href=\"https:\/\/puurdata.nl\/uk\/category\/headlines\/\">Headlines<\/a><\/span><a class=\"entire-meta-link\" href=\"https:\/\/puurdata.nl\/uk\/save-the-date-elasticon-amsterdam-2026\/\" ><span class=\"screen-reader-text\">Save the Date: 20 October 2026 \u2013 ElasticON Amsterdam<\/span><\/a>\n            <div class=\"article-content-wrap\">\n              <div class=\"post-header\">\n                <span class=\"meta\"> 11\/06\/2026 <\/span>\n                <h3 class=\"title\">Save the Date: 20 October 2026 \u2013 ElasticON Amsterdam<\/h3>\n              <\/div><!--\/post-header-->\n              <div class=\"excerpt\">\n                On 20 October, Elastic users, experts, and innovators will meet during ElasticON Amsterdam. We will be there. Will you? The world of data, search, observability, security, and AI is developing at breakneck speed. During\u2026              <\/div>\n            <\/div>\n\n            <div class=\"post-meta\">\n              <span class=\"meta-author\"> <a href=\"https:\/\/puurdata.nl\/uk\/author\/astegpuurdata-nl\/\"> <i class=\"icon-default-style icon-salient-m-user\"><\/i> Alex Steg<\/a> <\/span>\n\n              \n              <div class=\"nectar-love-wrap\">\n                <a href=\"#\" class=\"nectar-love\" id=\"nectar-love-4505\" title=\"Love this\"> <i class=\"icon-salient-heart-2\"><\/i><span class=\"love-text\">Love<\/span><span class=\"total_loves\"><span class=\"nectar-love-count\">9<\/span><\/span><\/a>              <\/div><!--\/nectar-love-wrap-->\n            <\/div>\n\n          <\/div>\n\n        \n      <\/div><!--\/col-->\n\n      \n      <div class=\"col span_12 post-4408 post type-post status-publish format-standard has-post-thumbnail category-headlines tag-nis2 tag-observability tag-security\" >\n\n        \n            <div class=\"inner-wrap post-4408 post type-post status-publish format-standard has-post-thumbnail category-headlines tag-nis2 tag-observability tag-security\">\n\n            <a href=\"https:\/\/puurdata.nl\/uk\/puurdata-in-fd-special-over-nis2-en-cybersecurity\/\"  class=\"img-link\"><span class=\"post-featured-img\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"403\" src=\"https:\/\/puurdata.nl\/wp-content\/uploads\/2026\/05\/cybersecurity-paper-600x403.png\" class=\"attachment-portfolio-thumb size-portfolio-thumb wp-post-image\" alt=\"\" title=\"\" sizes=\"auto, (min-width: 1000px) 100vw, (min-width: 690px) 100vw, 100vw\" srcset=\"https:\/\/puurdata.nl\/wp-content\/uploads\/2026\/05\/cybersecurity-paper-600x403.png 600w, https:\/\/puurdata.nl\/wp-content\/uploads\/2026\/05\/cybersecurity-paper-18x12.png 18w, https:\/\/puurdata.nl\/wp-content\/uploads\/2026\/05\/cybersecurity-paper-900x604.png 900w, https:\/\/puurdata.nl\/wp-content\/uploads\/2026\/05\/cybersecurity-paper-400x269.png 400w\" \/><\/span><\/a><span class=\"meta-category\"><a class=\"headlines\" href=\"https:\/\/puurdata.nl\/uk\/category\/headlines\/\">Headlines<\/a><\/span><a class=\"entire-meta-link\" href=\"https:\/\/puurdata.nl\/uk\/puurdata-in-fd-special-over-nis2-en-cybersecurity\/\" ><span class=\"screen-reader-text\">PuurData featured in an FD special on NIS2 and cybersecurity<\/span><\/a>\n            <div class=\"article-content-wrap\">\n              <div class=\"post-header\">\n                <span class=\"meta\"> 18\/05\/2026 <\/span>\n                <h3 class=\"title\">PuurData featured in an FD special on NIS2 and cybersecurity<\/h3>\n              <\/div><!--\/post-header-->\n              <div class=\"excerpt\">\n                In the *Financieele Dagblad*\u2019s cybersecurity special, PuurData shares its views on how organisations can demonstrably remain in control under NIS2.              <\/div>\n            <\/div>\n\n            <div class=\"post-meta\">\n              <span class=\"meta-author\"> <a href=\"https:\/\/puurdata.nl\/uk\/author\/astegpuurdata-nl\/\"> <i class=\"icon-default-style icon-salient-m-user\"><\/i> Alex Steg<\/a> <\/span>\n\n              \n              <div class=\"nectar-love-wrap\">\n                <a href=\"#\" class=\"nectar-love\" id=\"nectar-love-4408\" title=\"Love this\"> <i class=\"icon-salient-heart-2\"><\/i><span class=\"love-text\">Love<\/span><span class=\"total_loves\"><span class=\"nectar-love-count\">9<\/span><\/span><\/a>              <\/div><!--\/nectar-love-wrap-->\n            <\/div>\n\n          <\/div>\n\n        \n      <\/div><!--\/col-->\n\n      \n    <\/div><!--\/blog-recent-->\n\n  \n\t\t\t<\/div> \n\t\t<\/div>\n\t<\/div> \n<\/div><\/div>\n\t\t<div id=\"fws_6a7acd130c36f\"  data-column-margin=\"default\" data-midnight=\"dark\"  class=\"wpb_row vc_row-fluid vc_row\"  style=\"padding-top: 50px; padding-bottom: 100px; \"><div class=\"row-bg-wrap\" data-bg-animation=\"none\" data-bg-animation-delay=\"\" data-bg-overlay=\"false\"><div class=\"inner-wrap row-bg-layer\" ><div class=\"row-bg viewport-desktop\"  style=\"\"><\/div><\/div><\/div><div class=\"row_col_wrap_12 col span_12 dark left\">\n\t<div  class=\"vc_col-sm-12 wpb_column column_container vc_column_container col no-extra-padding inherit_tablet inherit_phone\"  data-padding-pos=\"all\" data-has-bg-color=\"false\" data-bg-color=\"\" data-bg-opacity=\"1\" data-animation=\"\" data-delay=\"0\" >\n\t\t<div class=\"vc_column-inner\" >\n\t\t\t<div class=\"wpb_wrapper\">\n\t\t\t\t<div id=\"fws_6a7acd130cbf5\" data-midnight=\"\" data-column-margin=\"default\" class=\"wpb_row vc_row-fluid vc_row inner_row vc_row-o-equal-height vc_row-flex vc_row-o-content-middle vc_custom_1563875146201\"  style=\"\"><div class=\"row-bg-wrap\"> <div class=\"row-bg\" ><\/div> <\/div><div class=\"row_col_wrap_12_inner col span_12  left\">\n\t<div  class=\"vc_col-sm-8 wpb_column column_container vc_column_container col child_column padding-5-percent inherit_tablet inherit_phone\"   data-padding-pos=\"all\" data-has-bg-color=\"false\" data-bg-color=\"\" data-bg-opacity=\"1\" data-animation=\"\" data-delay=\"0\" >\n\t\t<div class=\"vc_column-inner\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h2 style=\"color: #ffffff;text-align: left\" class=\"vc_custom_heading vc_do_custom_heading\" >Read too<\/h2>\n<div class=\"wpb_text_column wpb_content_element\" >\n\t<div class=\"wpb_wrapper\">\n\t\t<ul>\n<li><span style=\"color: #ffffff;\"><a style=\"color: #ffffff;\" href=\"https:\/\/puurdata.nl\/uk\/real-time-cybersecurity\/\"><strong>White Paper \u2018Cybersecurity in real-time\u2019<\/strong><\/a><\/span><br \/>\n<span style=\"color: #ffffff;\">Read this e-book and discover how to maintain control over your IT security<\/span><\/li>\n<li><span style=\"color: #ffffff;\"><a style=\"color: #ffffff;\" href=\"https:\/\/puurdata.nl\/uk\/elastic-expertise\/elastic-security\/\"><strong>Elastic Security<\/strong><\/a><\/span><br \/>\n<span style=\"color: #ffffff;\">Protect your data from cyber-attacks with Elastic Security.<\/span><\/li>\n<li><span style=\"color: #ffffff;\"><a style=\"color: #ffffff;\" href=\"https:\/\/puurdata.nl\/uk\/why-proactive-cybersecurity-is-essential-for-businesses\/\"><strong>Proactive cybersecurity<\/strong><\/a><\/span><br \/>\n<span style=\"color: #ffffff;\">Waarom proactieve cyberbeveiliging essentieel is voor bedrijven<\/span><\/li>\n<\/ul>\n\t<\/div>\n<\/div>\n\n\n\n\n\t\t<\/div> \n\t<\/div>\n\t<\/div> \n\n\t<div  class=\"vc_col-sm-4 wpb_column column_container vc_column_container col child_column padding-2-percent inherit_tablet inherit_phone\"   data-padding-pos=\"right\" data-has-bg-color=\"false\" data-bg-color=\"\" data-bg-opacity=\"1\" data-animation=\"\" data-delay=\"0\" >\n\t\t<div class=\"vc_column-inner\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<div class=\"img-with-aniamtion-wrap center\" data-max-width=\"100%\" data-max-width-mobile=\"default\" data-shadow=\"none\" data-animation=\"fade-in\" >\n      <div class=\"inner\">\n        <div class=\"hover-wrap\"> \n          <div class=\"hover-wrap-inner\">\n            <img loading=\"lazy\" decoding=\"async\" class=\"img-with-animation skip-lazy\" data-delay=\"0\" height=\"2560\" width=\"2560\" data-animation=\"fade-in\" src=\"https:\/\/puurdata.nl\/wp-content\/uploads\/2025\/10\/Puur-Data_illustraties-12-scaled.png\" alt=\"\" srcset=\"https:\/\/puurdata.nl\/wp-content\/uploads\/2025\/10\/Puur-Data_illustraties-12-scaled.png 2560w, https:\/\/puurdata.nl\/wp-content\/uploads\/2025\/10\/Puur-Data_illustraties-12-300x300.png 300w, https:\/\/puurdata.nl\/wp-content\/uploads\/2025\/10\/Puur-Data_illustraties-12-1024x1024.png 1024w, https:\/\/puurdata.nl\/wp-content\/uploads\/2025\/10\/Puur-Data_illustraties-12-150x150.png 150w, https:\/\/puurdata.nl\/wp-content\/uploads\/2025\/10\/Puur-Data_illustraties-12-768x768.png 768w, https:\/\/puurdata.nl\/wp-content\/uploads\/2025\/10\/Puur-Data_illustraties-12-1536x1536.png 1536w, https:\/\/puurdata.nl\/wp-content\/uploads\/2025\/10\/Puur-Data_illustraties-12-2048x2048.png 2048w, https:\/\/puurdata.nl\/wp-content\/uploads\/2025\/10\/Puur-Data_illustraties-12-12x12.png 12w, https:\/\/puurdata.nl\/wp-content\/uploads\/2025\/10\/Puur-Data_illustraties-12-140x140.png 140w, https:\/\/puurdata.nl\/wp-content\/uploads\/2025\/10\/Puur-Data_illustraties-12-100x100.png 100w, https:\/\/puurdata.nl\/wp-content\/uploads\/2025\/10\/Puur-Data_illustraties-12-500x500.png 500w, https:\/\/puurdata.nl\/wp-content\/uploads\/2025\/10\/Puur-Data_illustraties-12-350x350.png 350w, https:\/\/puurdata.nl\/wp-content\/uploads\/2025\/10\/Puur-Data_illustraties-12-1000x1000.png 1000w, https:\/\/puurdata.nl\/wp-content\/uploads\/2025\/10\/Puur-Data_illustraties-12-800x800.png 800w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/>\n          <\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n\t\t<\/div> \n\t<\/div>\n\t<\/div> \n<\/div><\/div>\n\t\t\t<\/div> \n\t\t<\/div>\n\t<\/div> \n<\/div><\/div>","protected":false},"excerpt":{"rendered":"PuurData in FD special on NIS2 and cybersecurity NIS2 places the responsibility for cybersecurity on directors Cybersecurity is shifting ever more decisively from IT to the boardroom. With the introduction of NIS2, ...","protected":false},"author":5,"featured_media":0,"parent":4439,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"content-type":"","footnotes":""},"class_list":["post-4472","page","type-page","status-publish"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Wat is SIEM en wanneer is het relevant? - PuurData<\/title>\n<meta name=\"description\" content=\"Een SIEM-oplossing verzamelt informatie uit verschillende systemen en brengt die samen in \u00e9\u00e9n centraal overzicht.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/puurdata.nl\/uk\/security\/what-is-siem\/\" \/>\n<meta name=\"twitter:label1\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/puurdata.nl\\\/security\\\/wat-is-siem\\\/\",\"url\":\"https:\\\/\\\/puurdata.nl\\\/security\\\/wat-is-siem\\\/\",\"name\":\"Wat is SIEM en wanneer is het relevant? 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