{"id":18,"date":"2026-10-25T14:18:18","date_gmt":"2026-10-25T13:18:18","guid":{"rendered":"https:\/\/www.keisler.at\/?page_id=18"},"modified":"2026-10-25T14:30:54","modified_gmt":"2026-10-25T13:30:54","slug":"home","status":"publish","type":"page","link":"https:\/\/www.keisler.at\/","title":{"rendered":"Home"},"content":{"rendered":"\n<div class=\"wp-block-cover\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"559\" class=\"wp-block-cover__image-background wp-image-19 size-large\" alt=\"\" src=\"https:\/\/www.keisler.at\/wp-content\/uploads\/2026\/10\/Global-Network-Gemini-generated.jpg-1024x559.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/www.keisler.at\/wp-content\/uploads\/2026\/10\/Global-Network-Gemini-generated.jpg-1024x559.jpg 1024w, https:\/\/www.keisler.at\/wp-content\/uploads\/2026\/10\/Global-Network-Gemini-generated.jpg-300x164.jpg 300w, https:\/\/www.keisler.at\/wp-content\/uploads\/2026\/10\/Global-Network-Gemini-generated.jpg-766x418.jpg 766w, https:\/\/www.keisler.at\/wp-content\/uploads\/2026\/10\/Global-Network-Gemini-generated.jpg-1536x838.jpg 1536w, https:\/\/www.keisler.at\/wp-content\/uploads\/2026\/10\/Global-Network-Gemini-generated.jpg-2048x1117.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\" style=\"background-color:#102d4d\"><\/span><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\">\n<h1 class=\"wp-block-heading has-text-align-center has-white-color has-text-color has-link-color has-large-font-size wp-elements-1\">Kritische Infrastrukturen: Ganzheitliche IT- und OT-Betrachtung von Verf\u00fcgbarkeit bis Resilienz<\/h1>\n\n\n\n<p class=\"has-white-color has-text-color has-link-color has-medium-font-size wp-elements-2 wp-block-paragraph\">Strategische Beratung und operative Expertise an der entscheidenden Schnittstelle von Information Technology (IT) und Operational Technology (OT) \u2013 f\u00fcr kritische Systeme und wirtschaftliche Zukunftsf\u00e4higkeit.<\/p>\n\n\n\n<ul class=\"wp-block-social-links is-layout-flex wp-block-social-links-is-layout-flex\"><li class=\"wp-social-link wp-social-link-linkedin wp-block-social-link\"><a href=\"https:\/\/www.linkedin.com\/in\/andreaskeisler\" class=\"wp-block-social-link-anchor\" target=\"_blank\" rel=\"noopener\"><svg width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M19.7,3H4.3C3.582,3,3,3.582,3,4.3v15.4C3,20.418,3.582,21,4.3,21h15.4c0.718,0,1.3-0.582,1.3-1.3V4.3 C21,3.582,20.418,3,19.7,3z M8.339,18.338H5.667v-8.59h2.672V18.338z M7.004,8.574c-0.857,0-1.549-0.694-1.549-1.548 c0-0.855,0.691-1.548,1.549-1.548c0.854,0,1.547,0.694,1.547,1.548C8.551,7.881,7.858,8.574,7.004,8.574z M18.339,18.338h-2.669 v-4.177c0-0.996-0.017-2.278-1.387-2.278c-1.389,0-1.601,1.086-1.601,2.206v4.249h-2.667v-8.59h2.559v1.174h0.037 c0.356-0.675,1.227-1.387,2.526-1.387c2.703,0,3.203,1.779,3.203,4.092V18.338z\"><\/path><\/svg><span class=\"wp-block-social-link-label screen-reader-text\">Andreas Keisler<\/span><\/a><\/li>\n\n<li class=\"wp-social-link wp-social-link-mail wp-block-social-link\"><a href=\"mailto:office@keisler.at\" class=\"wp-block-social-link-anchor\"><svg width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M19,5H5c-1.1,0-2,.9-2,2v10c0,1.1.9,2,2,2h14c1.1,0,2-.9,2-2V7c0-1.1-.9-2-2-2zm.5,12c0,.3-.2.5-.5.5H5c-.3,0-.5-.2-.5-.5V9.8l7.5,5.6,7.5-5.6V17zm0-9.1L12,13.6,4.5,7.9V7c0-.3.2-.5.5-.5h14c.3,0,.5.2.5.5v.9z\"><\/path><\/svg><span class=\"wp-block-social-link-label screen-reader-text\">E-Mail<\/span><\/a><\/li><\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\">Interim Management, Transformation &amp; Strategic Advisory<\/h2>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Effiziente IT\/OT-Vernetzung &amp; System-Resilienz<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Die nahtlose Integration kritischer Systeme in die IT- und Prozesslandschaft \u2013 f\u00fcr durchg\u00e4ngige Abl\u00e4ufe, regulatorische Sicherheit und wirtschaftliche Zukunftsf\u00e4higkeit.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>OT\/IT-Integration &amp; System-Vernetzung:<\/strong> Sichere und durchg\u00e4ngige Vernetzung kritischer IT- und OT-Systeme mit \u00fcbergelagerten Systemen f\u00fcr reibungslose Daten- und Prozessfl\u00fcsse.<\/li>\n\n\n\n<li><strong>Ganzheitliche Resilienz (NIS2 &amp; Compliance):<\/strong> Vorausschauende Absicherung kritischer Infrastrukturen \u2013 von technischen Schutzma\u00dfnahmen \u00fcber regulatorische Vorgaben bis hin zu robusten, nicht-technischen Notfallprozessen.<\/li>\n\n\n\n<li><strong>Architektur &amp; Wirtschaftlichkeit:<\/strong> Ganzheitliche Systemkonzepte, die technische Stabilit\u00e4t, System-Resilienz und \u00f6konomischen Nutzen optimal verbinden.<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Service-Exzellenz &amp; Skalierung<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Die globale Professionalisierung von Service-Organisationen in kritischen Infrastrukturen: F\u00fcr h\u00f6chste Betriebsqualit\u00e4t, interkulturelle St\u00e4rke und passgenaue Skalierung im laufenden Betrieb.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Service-Qualit\u00e4t &amp; KPI-Steuerung:<\/strong> Verl\u00e4ssliche Absicherung der Betriebs- und Service-G\u00fcte an allen Schnittstellen \u2013 gesteuert \u00fcber aussagekr\u00e4ftige KPIs und mit direktem Fokus auf die Nutzer.<\/li>\n\n\n\n<li><strong>Globale Delivery &amp; Matrix-Organisation:<\/strong> Strategische Steuerung und Skalierung komplexer Service-Strukturen \u2013 von internationalen Niederlassungen mit direkter Serviceerbringung am Kunden \u00fcber Nearshore- bis hin zu Offshore-Modellen, jeweils mit ihren spezifischen operativen und kulturellen Besonderheiten im Matrix-Management.<\/li>\n\n\n\n<li><strong>Service Operations, ISO 20k\/27k &amp; Prozess-Exzellenz:<\/strong> Ganzheitliche Optimierung von Betriebs- und Delivery-Modellen auf Basis etablierter Standards (wie ISO 20000 und ISO 27001) f\u00fcr reibungslose, effiziente Abl\u00e4ufe im t\u00e4glichen Service-Gesch\u00e4ft.<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Executive Interim Management &amp; Transformation<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Die langfristige strategische Begleitung und exekutive F\u00fchrung in Sondersituationen und Transformationsphasen \u2013 f\u00fcr nachhaltige Neuausrichtung, operative Stabilit\u00e4t und messbaren Wert auf C-Level.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Strategic Advisory &amp; Board Sparring:<\/strong> Langfristige, vertrauensvolle Begleitung von C-Level, Gesch\u00e4ftsf\u00fchrung und Aufsichtsrat als strategischer Sparringspartner f\u00fcr Technologie-, Architektur- und Zukunftsentscheidungen.<\/li>\n\n\n\n<li><strong>Executive Interim Leadership (Vakanzen &amp; Sondersituationen):<\/strong> Nahtlose \u00dcbernahme von F\u00fchrungsverantwortung auf Gesch\u00e4ftsf\u00fchrungs- oder C-Level-Ebene (z. B. bei Vakanzen, M&amp;A-Transaktionen, Carve-outs oder Restrukturierungen) mit sofortiger operativer Wirkung.<\/li>\n\n\n\n<li><strong>Transformation, KI &amp; operative Stabilisierung:<\/strong> Ganzheitliche Steuerung von Wandlungsprozessen \u2013 von der Anpassung der Gesch\u00e4ftsstrategie \u00fcber Near- und Offshoring bis zur Integration von KI \u2013 sowie die gezielte Stabilisierung kritischer Projekte und wertvoller Kundenbeziehungen.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Interim Management, Transformation &amp; Strategic Advisory Effiziente IT\/OT-Vernetzung &amp; System-Resilienz Die nahtlose Integration kritischer Systeme in die IT- und Prozesslandschaft [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-18","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.keisler.at\/index.php\/wp-json\/wp\/v2\/pages\/18","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.keisler.at\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.keisler.at\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.keisler.at\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.keisler.at\/index.php\/wp-json\/wp\/v2\/comments?post=18"}],"version-history":[{"count":18,"href":"https:\/\/www.keisler.at\/index.php\/wp-json\/wp\/v2\/pages\/18\/revisions"}],"predecessor-version":[{"id":69,"href":"https:\/\/www.keisler.at\/index.php\/wp-json\/wp\/v2\/pages\/18\/revisions\/69"}],"wp:attachment":[{"href":"https:\/\/www.keisler.at\/index.php\/wp-json\/wp\/v2\/media?parent=18"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}