{"id":4038,"date":"2021-10-04T10:24:57","date_gmt":"2021-10-04T10:24:57","guid":{"rendered":"https:\/\/detralytics.com\/?p=4038"},"modified":"2026-08-21T13:31:30","modified_gmt":"2026-08-21T13:31:30","slug":"modeling-accumulation-scenarios-in-cyber-risk","status":"publish","type":"post","link":"https:\/\/detralytics.com\/fr\/publication\/modeling-accumulation-scenarios-in-cyber-risk\/","title":{"rendered":"Modeling accumulation scenarios in cyber risk"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"4038\" class=\"elementor elementor-4038\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e66b8a2 e-flex e-con-boxed e-con e-parent\" data-id=\"e66b8a2\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;shape_divider_bottom&quot;:&quot;tilt&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-shape elementor-shape-bottom\" aria-hidden=\"true\" data-negative=\"false\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 1000 100\" preserveaspectratio=\"none\">\n\t<path class=\"elementor-shape-fill\" d=\"M0,6V0h1000v100L0,6z\"\/>\n<\/svg>\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-57f3144 elementor-widget elementor-widget-heading\" data-id=\"57f3144\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Modeling accumulation scenarios in cyber risk<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-375a5a7 elementor-widget elementor-widget-heading\" data-id=\"375a5a7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">DetraNote 2021-4<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6ede2ca e-flex e-con-boxed e-con e-parent\" data-id=\"6ede2ca\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-e632b0e e-con-full e-flex e-con e-child\" data-id=\"e632b0e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-67f934f elementor-widget elementor-widget-image\" data-id=\"67f934f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/detralytics.com\/wp-content\/uploads\/2021\/10\/Detra-Note-2021-4_Accumulation-scenarios-in-cyber-insurance..pdf\" target=\"_blank\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"765\" height=\"1080\" src=\"https:\/\/detralytics.com\/wp-content\/uploads\/2021\/10\/Miniature-Modeling-accumulation-scenarios-in-cyber-risk-765x1080.png\" class=\"elementor-animation-grow attachment-thumbnail size-thumbnail wp-image-4043\" alt=\"\" srcset=\"https:\/\/detralytics.com\/wp-content\/uploads\/2021\/10\/Miniature-Modeling-accumulation-scenarios-in-cyber-risk-765x1080.png 765w, https:\/\/detralytics.com\/wp-content\/uploads\/2021\/10\/Miniature-Modeling-accumulation-scenarios-in-cyber-risk-768x1085.png 768w, https:\/\/detralytics.com\/wp-content\/uploads\/2021\/10\/Miniature-Modeling-accumulation-scenarios-in-cyber-risk.png 892w\" sizes=\"(max-width: 765px) 100vw, 765px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-433b14d elementor-align-center elementor-widget elementor-widget-button\" 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2.2-20.5-8.5-20.5h-67V140c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12z\"><\/path><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">T\u00e9l\u00e9charger<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8c1b7c5 elementor-widget elementor-widget-spacer\" data-id=\"8c1b7c5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2e73e27 e-con-full e-flex e-con e-child\" data-id=\"2e73e27\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e70ceeb elementor-widget elementor-widget-heading\" data-id=\"e70ceeb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Introduction<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a70223d elementor-widget elementor-widget-text-editor\" data-id=\"a70223d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"page\" title=\"Page 3\">\n<div class=\"layoutArea\">\n<div class=\"column\">\n<p>In this work, we consider a simple way to model accumulation episodes (i.e., large number of claims occurring in a short amount of time) in the context of cyber risk. This provides a generic way to design stochastic scenarios measuring the impact of such an event on an insurance portfolio. A particular attention is devoted to providing a way to model network effects (contagion between actors connected with each other) while producing a model needing relatively few data to be calibrated. Illustrations of this method are performed to determine the impact of different behaviors of the policyholders and of the insurance company on the spread of the cyber epidemic.<\/p>\n<p><strong><span style=\"color: #097566;\">Mots-cl\u00e9s : <\/span><\/strong>Cyber insurance; accumulation scenarios; epidemiological models; multi-group SIR models.<\/p>\n<\/div>\n<\/div>\n<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7a850b8 e-con-full e-flex e-con e-child\" data-id=\"7a850b8\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-9b65d28 e-con-full e-flex e-con e-child\" data-id=\"9b65d28\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cb5f051 elementor-widget__width-inherit elementor-widget elementor-widget-text-editor\" data-id=\"cb5f051\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><b>Secteur : <\/b>Assurance<\/p>\n<p><b><\/b><b>Expertise: <\/b>Cyber risk<\/p>\n<p><b>Auteurs :<\/b> Louise d\u2019Oultremont,<\/p>\n<p>Olivier Lopez and Brieuc Spoorenberg<\/p>\n<p>\u00a0<\/p>\n<p><b>\u00c9diteur :<\/b> Detralytics<\/p>\n<p><b>Date:<\/b> October 2021<\/p>\n<p><b>Langue :<\/b> Anglais<\/p>\n<p><b>Pages:<\/b> 25<\/p>\n<p><b>R\u00e9f\u00e9rence :<\/b> Detra Note 2021-4<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c6ae38d e-flex e-con-boxed e-con e-parent\" data-id=\"c6ae38d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a1c05c2 elementor-widget elementor-widget-spacer\" data-id=\"a1c05c2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f183faa elementor-widget elementor-widget-heading\" data-id=\"f183faa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\u00c0 propos des auteurs<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b455dd6 e-flex e-con-boxed e-con e-parent\" data-id=\"b455dd6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-826b55c e-con-full e-flex e-con e-child\" data-id=\"826b55c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a4936f2 elementor-widget elementor-widget-image\" data-id=\"a4936f2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"651\" height=\"651\" src=\"https:\/\/detralytics.com\/wp-content\/uploads\/2021\/10\/Louise_rond.png\" class=\"attachment-large size-large wp-image-4336\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-888af75 e-con-full e-flex e-con e-child\" data-id=\"888af75\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b42de73 elementor-widget elementor-widget-heading\" data-id=\"b42de73\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Louise d'Oultremont<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c03f01f elementor-widget elementor-widget-text-editor\" data-id=\"c03f01f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Louise is People Lead and part of the Talent Consolidation Program (TCP). Prior to joining Detralytics, Louise did an internship at Axa Belgium, where she was in the risk pricing team. After a few years at Detralytics, Louise developed a solid knowledge in actuarial sciences. In particular, she worked on pricing and reserving in the fields of non-life and health insurance.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-53f26ef e-flex e-con-boxed e-con e-parent\" data-id=\"53f26ef\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-45ca7dd e-con-full e-flex e-con e-child\" data-id=\"45ca7dd\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d43f55d elementor-widget elementor-widget-image\" data-id=\"d43f55d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/detralytics.com\/wp-content\/uploads\/2024\/08\/Olivier_Rond.jpg\" class=\"attachment-large size-large wp-image-3728\" alt=\"Olivier Lopez\" srcset=\"https:\/\/detralytics.com\/wp-content\/uploads\/2024\/08\/Olivier_Rond.jpg 1042w, https:\/\/detralytics.com\/wp-content\/uploads\/2024\/08\/Olivier_Rond-768x768.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f0de6fc e-con-full e-flex e-con e-child\" data-id=\"f0de6fc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-224cb75 elementor-widget elementor-widget-heading\" data-id=\"224cb75\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Olivier Lopez<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-58dff6d elementor-widget elementor-widget-text-editor\" data-id=\"58dff6d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"color: #383838;\"><span style=\"color: var( --e-global-color-text ); background-color: var( --e-global-color-b500f0a );\">At Detralytics, Olivier is a Scientic advisor and he coaches young talents, provides cutting-edge training, fosters innovation and oversees R&amp;D projects.<\/span><\/p>\n<p style=\"color: #383838;\">Olivier is also a professor at ENSAE in Paris (FR) and also co-director of the Master 2 in Statistics, Finance and Actuarial Sciences. He is a Qualified Actuary and has a compelling academic background developed in prominent universities.<\/p>\n<p><\/p>\n<p class=\"wp-elements-686f4201d8bac63c6b51d9e113986fd6 wp-block-paragraph\"><\/p>\n<p><\/p>\n<p class=\"wp-elements-686f4201d8bac63c6b51d9e113986fd6 wp-block-paragraph\"><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-289fa5a e-flex e-con-boxed e-con e-parent\" data-id=\"289fa5a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0ec32d3 elementor-widget elementor-widget-button\" data-id=\"0ec32d3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link 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claims occurring in a short amount of time) in the context of cyber risk.<\/p>","protected":false},"author":1,"featured_media":4043,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[133],"tags":[],"class_list":["post-4038","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-publication"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Detra Note : Modeling accumulation scenarios in cyber risk<\/title>\n<meta name=\"description\" content=\"We consider a simple way to model accumulation episodes in the context of cyber risk.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/detralytics.com\/fr\/publication\/modeling-accumulation-scenarios-in-cyber-risk\/\" 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