{"id":1029527,"date":"2026-07-22T11:19:20","date_gmt":"2026-07-22T09:19:20","guid":{"rendered":"https:\/\/www.atreus.de\/?post_type=publication&#038;p=1029527"},"modified":"2026-07-22T11:20:54","modified_gmt":"2026-07-22T09:20:54","slug":"ot-cyber-security","status":"publish","type":"publication","link":"https:\/\/www.atreus.de\/en\/publication\/case-studies-en\/ot-cyber-security\/","title":{"rendered":"Establishment of Group-wide OT-Cyber-Security for an Energy-Contractor"},"content":{"rendered":"<div  class=\"zw-cgb header-standard-block is-first-block desktop-has-image mobile-has-image default-margin white-color content-right content-down zw-atr-portrait-pos-default zw-atr-landscape-pos-default height-default \"><div class=\"row\"><div class=\"zw-cgb-content col-12 mx-auto\"><div  class=\"header-standard-inner-container\"><div class=\"bg-image\"><span class=\"copyright-image d-none d-lg-block\"><\/span><img decoding=\"async\" class=\"respnsive-img d-none d-lg-block\" loading=\"lazy\" alt=\"atreus_\" src=\"https:\/\/www.atreus.de\/wp-content\/uploads\/2026\/07\/Kopie-von-Website-teaser-landscape-1-1.png\" srcset=\"https:\/\/www.atreus.de\/wp-content\/uploads\/2026\/07\/Kopie-von-Website-teaser-landscape-1-1.png 1098w, https:\/\/www.atreus.de\/wp-content\/uploads\/2026\/07\/Kopie-von-Website-teaser-landscape-1-1-768x288.png 768w, https:\/\/www.atreus.de\/wp-content\/uploads\/2026\/07\/Kopie-von-Website-teaser-landscape-1-1-1024x384.png 1024w, https:\/\/www.atreus.de\/wp-content\/uploads\/2026\/07\/Kopie-von-Website-teaser-landscape-1-1-480x180.png 480w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" style=\"aspect-ratio:1098\/412 !important\" title=\"atreus_\"><span class=\"copyright-image d-lg-none d-block\"><\/span><img decoding=\"async\" class=\"responsive-img d-lg-none d-block\" loading=\"lazy\" alt=\"atreus_\" src=\"https:\/\/www.atreus.de\/wp-content\/uploads\/2026\/07\/Kopie-von-Website-teaser-4zu3-1-1.png\" srcset=\"https:\/\/www.atreus.de\/wp-content\/uploads\/2026\/07\/Kopie-von-Website-teaser-4zu3-1-1.png 823w, https:\/\/www.atreus.de\/wp-content\/uploads\/2026\/07\/Kopie-von-Website-teaser-4zu3-1-1-768x578.png 768w, https:\/\/www.atreus.de\/wp-content\/uploads\/2026\/07\/Kopie-von-Website-teaser-4zu3-1-1-480x361.png 480w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" style=\"aspect-ratio:823\/619 !important\" title=\"atreus_\"><\/div><div class=\"preheadline-container\"><div class=\"zw-breadcrumb-container black-color d-md-down-none\"><\/div><p class=\" zw-cgb preheadline zw-prevent-animation\">Case Study<\/p><h1 class=\" zw-cgb headline zw-prevent-animation\">Establishment of a group-wide OT-Cyber-Security for an Energy-Contractor<\/h1><\/div><div class=\"inner-content\"><p class=\" zw-cgb fulltext zw-prevent-animation\"><sub><code>230700-03<\/code><\/sub><\/p><\/div><\/div><\/div><\/div><\/div><div class=\"zw-breadcrumb-container black-color d-none d-md-down-block\"><nav aria-label=\"breadcrumbs\" class=\"rank-math-breadcrumb\"><p><span class=\"label\">c<\/span> <a href=\"https:\/\/www.atreus.de\/en\">Home<\/a><span class=\"separator\"> c <\/span><a href=\"https:\/\/www.atreus.de\/publikationen-events\/\">Publikationen<\/a><span class=\"separator\"> c <\/span><span class=\"last\"><\/span><\/p><\/nav><\/div>\n\n    <div  class=\"zw-cgb    infoblock default-margin black-color  \">\n      <div class=\" row\">\n        <div class=\"zw-cgb-content has-padding col-12\">\n          <div class=\"inner-content parent-has-padding\"><h2 class=\" zw-cgb headline\">From a lack of Governance to a resilient OT-Security Organization<\/h2><p class=\" zw-cgb fulltext \">Following a change in ownership, an energy contractor operating across Europe faced the challenge of establishing a group-wide OT-cybersecurity function. The absence of centralized governance, inconsistent security standards, and the increasing connectivity of critical OT assets made it necessary to establish a centralized OT-security organization with clearly defined processes, harmonized standards, and centralized security monitoring across the group.<\/p><div class=\"link-container\"><\/div><\/div>        <\/div>\n      <\/div>\n    <\/div>\n\n\n<div  class=\"zw-cgb row  columnmaster020 default-margin \"><div class=\"columnmaster-inner-content g-0\">    <div  class=\"zw-cgb no-image-layout columnblock black-color has-icon   \">\n      <div class=\"zw-cgb zw-cgb-content\">\n\n        <div class=\"column-content\"><div class=\"inner-content\"><div class=\"icon-container\"><span class=\"atr-icon\">q<\/span><h2 class=\" zw-cgb headline h4\">Company<\/h2><\/div><ul class=\"zw-cgb-ul fulltext \"><li class=\"\"> Energy and environmental services group focusing on heat and utilities supply<\/li><li class=\"\">Operates several thousand decentralized energy plants across multiple European countries<\/li><li class=\"\">Revenue in the low single-digit \u20acb range, workforce in the low four-digit range<\/li><\/ul><\/div><\/div>      <\/div>\n    <\/div>\n    <div  class=\"zw-cgb no-image-layout columnblock black-color has-icon   \">\n      <div class=\"zw-cgb zw-cgb-content\">\n\n        <div class=\"column-content\"><div class=\"inner-content\"><div class=\"icon-container\"><span class=\"atr-icon\">p<\/span><h2 class=\" zw-cgb headline h4\">Challenge<\/h2><\/div><ul class=\"zw-cgb-ul fulltext \"><li class=\"\">After investor change, transition from decentralized entries to a holding with central functions<\/li><li class=\"\">Only selective cyber security in place, no group-wide governance or OT security framework<\/li><li class=\"\">Critical OT assets facing rising risk through connectivity and tighter regulation<\/li><\/ul><\/div><\/div>      <\/div>\n    <\/div>\n    <div  class=\"zw-cgb no-image-layout columnblock black-color has-icon   \">\n      <div class=\"zw-cgb zw-cgb-content\">\n\n        <div class=\"column-content\"><div class=\"inner-content\"><div class=\"icon-container\"><span class=\"atr-icon\">m<\/span><h2 class=\" zw-cgb headline h4\">Goals<\/h2><\/div><ul class=\"zw-cgb-ul fulltext \"><li class=\"\">Build an autonomous security unit with clear and dedicated teams<\/li><li class=\"\">Define building OT security standards and processes for all business models<\/li><li class=\"\">Implement group-wide monitoring of IT and OT security events<\/li><\/ul><\/div><\/div>      <\/div>\n    <\/div>\n<\/div><\/div>\n\n<div id=\"parent66134\"class=\"zw-cgb halb-halb-headline-text-block-135 default-margin \"><div class=\"row\">    <!--  block -->\n    <div class=\"half-content has-padding col-lg-6 col-12 leftBlock order-1 blue-400 white-color has-icon has-headline \"><div class=\"icon-container\"><span class=\"atr-icon\">n<\/span><h2 class=\" zw-cgb headline\">Measures<\/h2><\/div><div class=\"content-container\"><div class=\"inner-content parent-has-padding\"><ul class=\"zw-cgb-ul fulltext \"><li class=\"\">Group-level risk and gap assessement focusing on OT security<\/li><li class=\"\">Design of the target security organization with governance, operations and OT security<\/li><li class=\"\">Development of OT security policy and technical requirements aligned to IEC 62443<\/li><li class=\"\">Selection and implementation of a managed SOC provider including handover to operations<\/li><\/ul><div class=\"link-container\"><\/div><\/div><\/div><\/div>    <!--  block -->\n    <div class=\"half-content has-padding col-lg-6 col-12 rightBlock order-2 blue-600 white-color has-icon has-headline \"><div class=\"icon-container\"><span class=\"atr-icon\">x<\/span><h2 class=\" zw-cgb headline\">Results<\/h2><\/div><div class=\"content-container\"><div class=\"inner-content parent-has-padding\"><ul class=\"zw-cgb-ul fulltext \"><li class=\"\">Creation of a strong security department with mainly external specialist hires<\/li><li class=\"\">Implementation of OT DMZ zones based on Purdue model and start of NDR sensor rollout<\/li><li class=\"\">Significantly improved visibility of OT threats and faster incident response<\/li><li class=\"\">Cyber security embedded into group steering and investment planning<\/li><\/ul><div class=\"link-container\"><\/div><\/div><\/div><\/div><\/div><\/div>\n\n    <div  class=\"zw-cgb  change-padding  infoblock default-margin black-color  \">\n      <div class=\" row\">\n        <div class=\"zw-cgb-content has-padding col-12\">\n          <div class=\"preheadline-container parent-has-padding\"><p class=\" zw-cgb preheadline ' .  . '\">These articles might also interest you<\/p><\/div><div class=\"inner-content parent-has-padding\"><div class=\"link-container\"><\/div><\/div>        <\/div>\n      <\/div>\n    <\/div>\n\n\n\n    <div  class=\"zw-cgb  latestPosts default-margin \">\n      <div class=\"row zw-cgb-content\">\n        \n      <div  class=\"zw-cgb latestPostsContent px-0 col-12 col-md-6 col-menu-4 publication   show-featured-image \">\n\n\n        <div class=\"image-container single-featured\"><a href = \"https:\/\/www.atreus.de\/publikation\/case-studies\/umsetzung-eines-restrukturierungs-programms\/\"><span class=\"copyright-image\">\u00a9fotolia.com, Syda Productions<\/span><img decoding=\"async\" loading=\"lazy\" alt=\"atreus_\" src=\"https:\/\/www.atreus.de\/wp-content\/uploads\/2022\/03\/teaser-2u3-sp-03-Automotive.jpg\" srcset=\"https:\/\/www.atreus.de\/wp-content\/uploads\/2022\/03\/teaser-2u3-sp-03-Automotive.jpg 823w, https:\/\/www.atreus.de\/wp-content\/uploads\/2022\/03\/teaser-2u3-sp-03-Automotive-768x578.jpg 768w, https:\/\/www.atreus.de\/wp-content\/uploads\/2022\/03\/teaser-2u3-sp-03-Automotive-480x361.jpg 480w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" style=\"aspect-ratio:823\/619 !important\" title=\"atreus_\"><\/a><\/div><div class=\"image-container double-featured\"><a href = \"https:\/\/www.atreus.de\/publikation\/case-studies\/umsetzung-eines-restrukturierungs-programms\/\"><span class=\"copyright-image\">\u00a9fotolia.com, Syda Productions<\/span><img decoding=\"async\" loading=\"lazy\" alt=\"atreus_\" src=\"https:\/\/www.atreus.de\/wp-content\/uploads\/2022\/03\/teaser-50z50-03-Automotive.jpg\" srcset=\"https:\/\/www.atreus.de\/wp-content\/uploads\/2022\/03\/teaser-50z50-03-Automotive.jpg 823w, https:\/\/www.atreus.de\/wp-content\/uploads\/2022\/03\/teaser-50z50-03-Automotive-768x384.jpg 768w, https:\/\/www.atreus.de\/wp-content\/uploads\/2022\/03\/teaser-50z50-03-Automotive-480x240.jpg 480w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" style=\"aspect-ratio:823\/412 !important\" title=\"atreus_\"><\/a><\/div>        <div class=\"content-container has-excerpt posttype-publication blue-600 white-color\">\n          <div class=\"preheadline-container parent-has-padding\"><p class=\"zw-cgb preheadline\">Case Study<\/p><\/div><a href = \"https:\/\/www.atreus.de\/publikation\/case-studies\/umsetzung-eines-restrukturierungs-programms\/\"><h2 class=\" zw-cgb headline\">Umsetzung eines Restrukturierungsprogramms<\/h2><\/a><p class=\" zw-cgb fulltext\">Ein Experte von Atreus \u00fcbernimmt Verantwortung und erh\u00f6ht die Transparenz von Einsparungsma\u00dfnahmen aus finanzieller Sicht bei einem internationalen Hersteller von Kabels\u00e4tzen. Er koordiniert sich mit den regionalen Verantwortlichen, um umsetzbare Einsparungen vorzuschlagen, die sich auch in den Finanzergebnissen des Unternehmens widerspiegeln.<\/p><div class=\"zw-cgb zw-cgb-button-container \"><a href=\"https:\/\/www.atreus.de\/publikation\/case-studies\/umsetzung-eines-restrukturierungs-programms\/\" class=\"zw-cgb btn btn-primary \">Read more<\/a><\/div>        <\/div>\n            <\/div>\n      \n  \n      <div  class=\"zw-cgb latestPostsContent px-0 col-12 col-md-6 col-menu-4 publication   show-featured-image \">\n\n\n        <div class=\"image-container single-featured\"><a href = \"https:\/\/www.atreus.de\/publikation\/case-studies\/coaching-produktionsleiter-und-unterstuetzung-des-effizienzsteigerungsprogramms\/\"><span class=\"copyright-image\">\u00a9fotolia.com, Denys Prykhodov<\/span><img decoding=\"async\" loading=\"lazy\" alt=\"atreus_\" src=\"https:\/\/www.atreus.de\/wp-content\/uploads\/2022\/03\/teaser-img-fuer-2-und-3-spalter-05-2.jpg\" srcset=\"https:\/\/www.atreus.de\/wp-content\/uploads\/2022\/03\/teaser-img-fuer-2-und-3-spalter-05-2.jpg 823w, https:\/\/www.atreus.de\/wp-content\/uploads\/2022\/03\/teaser-img-fuer-2-und-3-spalter-05-2-768x578.jpg 768w, https:\/\/www.atreus.de\/wp-content\/uploads\/2022\/03\/teaser-img-fuer-2-und-3-spalter-05-2-480x361.jpg 480w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" style=\"aspect-ratio:823\/619 !important\" title=\"atreus_\"><\/a><\/div><div class=\"image-container double-featured\"><a href = \"https:\/\/www.atreus.de\/publikation\/case-studies\/coaching-produktionsleiter-und-unterstuetzung-des-effizienzsteigerungsprogramms\/\"><span class=\"copyright-image\">\u00a9fotolia.com, Denys Prykhodov<\/span><img decoding=\"async\" loading=\"lazy\" alt=\"atreus_\" src=\"https:\/\/www.atreus.de\/wp-content\/uploads\/2022\/03\/teaser-img-fuer-2-und-3-spalter-05-2.jpg\" srcset=\"https:\/\/www.atreus.de\/wp-content\/uploads\/2022\/03\/teaser-img-fuer-2-und-3-spalter-05-2.jpg 823w, https:\/\/www.atreus.de\/wp-content\/uploads\/2022\/03\/teaser-img-fuer-2-und-3-spalter-05-2-768x578.jpg 768w, https:\/\/www.atreus.de\/wp-content\/uploads\/2022\/03\/teaser-img-fuer-2-und-3-spalter-05-2-480x361.jpg 480w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" style=\"aspect-ratio:823\/619 !important\" title=\"atreus_\"><\/a><\/div>        <div class=\"content-container has-excerpt posttype-publication blue-900 white-color\">\n          <div class=\"preheadline-container parent-has-padding\"><p class=\"zw-cgb preheadline\">Case Study<\/p><\/div><a href = \"https:\/\/www.atreus.de\/publikation\/case-studies\/coaching-produktionsleiter-und-unterstuetzung-des-effizienzsteigerungsprogramms\/\"><h2 class=\" zw-cgb headline\">Coaching eines neuen Produktionsleiters und Unterst\u00fctzung bei einem Effizienzsteigerungs-Programm<\/h2><\/a><p class=\" zw-cgb fulltext\">Ein f\u00fchrender Hersteller von Tiefk\u00fchlbackwaren muss den Wissenstransfer vom alten zum neuen Produktionsleiter bewerkstelligen und die Effizienz steigern. Das Atreus Team unterst\u00fctzt das Management, f\u00fchrt Fachkr\u00e4fte ein und optimiert dabei Produktionsprozesse.<\/p><div class=\"zw-cgb zw-cgb-button-container \"><a href=\"https:\/\/www.atreus.de\/publikation\/case-studies\/coaching-produktionsleiter-und-unterstuetzung-des-effizienzsteigerungsprogramms\/\" class=\"zw-cgb btn btn-primary \">Read more<\/a><\/div>        <\/div>\n            <\/div>\n      \n        <\/div>\n    <\/div>\n\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><\/p>\n","protected":false},"author":23,"featured_media":1029511,"menu_order":0,"template":"","newsticker-publication":[],"competences":[384],"industry-sectors":[374],"region-publication":[],"typ-publication":[459],"category-publication":[],"class_list":["post-1029527","publication","type-publication","status-publish","has-post-thumbnail","hentry","competences-it-en","industry-sectors-energy-and-environment","typ-publication-case-studies-en"],"_links":{"self":[{"href":"https:\/\/www.atreus.de\/en\/wp-json\/wp\/v2\/publication\/1029527","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.atreus.de\/en\/wp-json\/wp\/v2\/publication"}],"about":[{"href":"https:\/\/www.atreus.de\/en\/wp-json\/wp\/v2\/types\/publication"}],"author":[{"embeddable":true,"href":"https:\/\/www.atreus.de\/en\/wp-json\/wp\/v2\/users\/23"}],"version-history":[{"count":13,"href":"https:\/\/www.atreus.de\/en\/wp-json\/wp\/v2\/publication\/1029527\/revisions"}],"predecessor-version":[{"id":1029552,"href":"https:\/\/www.atreus.de\/en\/wp-json\/wp\/v2\/publication\/1029527\/revisions\/1029552"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.atreus.de\/en\/wp-json\/wp\/v2\/media\/1029511"}],"wp:attachment":[{"href":"https:\/\/www.atreus.de\/en\/wp-json\/wp\/v2\/media?parent=1029527"}],"wp:term":[{"taxonomy":"newsticker-publication","embeddable":true,"href":"https:\/\/www.atreus.de\/en\/wp-json\/wp\/v2\/newsticker-publication?post=1029527"},{"taxonomy":"competences","embeddable":true,"href":"https:\/\/www.atreus.de\/en\/wp-json\/wp\/v2\/competences?post=1029527"},{"taxonomy":"industry-sectors","embeddable":true,"href":"https:\/\/www.atreus.de\/en\/wp-json\/wp\/v2\/industry-sectors?post=1029527"},{"taxonomy":"region-publication","embeddable":true,"href":"https:\/\/www.atreus.de\/en\/wp-json\/wp\/v2\/region-publication?post=1029527"},{"taxonomy":"typ-publication","embeddable":true,"href":"https:\/\/www.atreus.de\/en\/wp-json\/wp\/v2\/typ-publication?post=1029527"},{"taxonomy":"category-publication","embeddable":true,"href":"https:\/\/www.atreus.de\/en\/wp-json\/wp\/v2\/category-publication?post=1029527"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}