  {"id":1685,"date":"2026-07-21T12:22:23","date_gmt":"2026-07-21T10:22:23","guid":{"rendered":"https:\/\/www.uni.lu\/snt-fr\/?post_type=news&#038;p=1685"},"modified":"2026-07-21T13:24:38","modified_gmt":"2026-07-21T11:24:38","slug":"contrer-les-nouvelles-attaques-de-brouillage-des-communications-satellitaires-grace-a-l-ia","status":"publish","type":"news","link":"https:\/\/www.uni.lu\/snt-fr\/news\/contrer-les-nouvelles-attaques-de-brouillage-des-communications-satellitaires-grace-a-l-ia\/","title":{"rendered":"Contrer les nouvelles attaques de brouillage des communications satellitaires gr\u00e2ce \u00e0 l&rsquo;IA"},"content":{"rendered":"\n<section class=\"wp-block-unilux-blocks-free-section section\"><div class=\"container xl:max-w-screen-xl\">\n<p><strong>L\u2019un des enseignements les plus importants tir\u00e9s des conflits r\u00e9cents est que les communications par satellite constituent un facteur d\u00e9terminant pour la r\u00e9ussite des op\u00e9rations. De nouvelles techniques de brouillage des communications satellitaires, toujours plus sophistiqu\u00e9es, ont r\u00e9cemment fait leur apparition. Lorsque les communications sont interrompues, les missions sont compromises. Il est donc essentiel de pouvoir d\u00e9tecter et contrer efficacement ces attaques. <\/strong><\/p>\n\n\n\n<p>C\u2019est dans cette optique que l&rsquo;agence Support and Procurement Agency (NSPA) de l&rsquo;OOTAN et l&rsquo;Interdisciplinary Centre for Security, Reliability and Trust (SnT) de l&rsquo;Universit\u00e9 du Luxembourg  annoncent aujourd\u2019hui le lancement d\u2019un projet commun visant \u00e0 soutenir les activit\u00e9s de l\u2019OTAN en mati\u00e8re de lutte contre le brouillage des communications satellitaires. Ce projet a \u00e9t\u00e9 initi\u00e9 dans le cadre du \u00ab Cyber Research Hub \u00bb, partenariat entre la Direction de la D\u00e9fense luxembourgeoise et l\u2019Universit\u00e9 du Luxembourg, et sera men\u00e9 en collaboration avec la NSPA conform\u00e9ment au cadre de coop\u00e9ration \u00e9tabli. <\/p>\n\n\n\n<p> Les communications satellitaires sont essentielles \u00e0 de nombreuses fonctions op\u00e9rationnelles, qu&rsquo;il s&rsquo;agisse du commandement et du contr\u00f4le des op\u00e9rations, du partage de renseignements ou encore de la conduite d&rsquo;a\u00e9ronefs t\u00e9l\u00e9pilot\u00e9s. C&rsquo;est notamment le cas de la flotte RQ-4D Phoenix, propri\u00e9t\u00e9 de l&rsquo;OTAN exploit\u00e9e par la NATO Intelligence, Surveillance and Reconnaissance Force (NISRF), qui s&rsquo;appuie sur des liaisons satellitaires s\u00e9curis\u00e9es et r\u00e9silientes pour mener des missions de renseignement, de surveillance et de reconnaissance (ISR) au service de l&rsquo;Alliance. <\/p>\n\n\n\n<p>L\u2019exploitation des vuln\u00e9rabilit\u00e9s des communications par satellite peut perturber, voire interrompre les liaisons entre les syst\u00e8mes a\u00e9riens sans \u00e9quipage (UAS) et leurs op\u00e9rateurs au sol, compromettant ainsi la r\u00e9ussite des missions. Priv\u00e9s de la capacit\u00e9 de transmettre leurs donn\u00e9es de navigation et les informations recueillies par leurs capteurs vers la station de contr\u00f4le au sol, ces appareils ne peuvent poursuivre leur mission tant que le signal n\u2019a pas \u00e9t\u00e9 r\u00e9tabli. Les contre-mesures actuelles ne permettent pas une efficacit\u00e9 suffisante contre des technologies de brouillage en rapide \u00e9volution, ce qui prolonge les interruptions de communication. <\/p>\n\n\n\n<p>Pour la NISRF, la r\u00e9silience des communications satellitaires est indispensable \u00e0 la r\u00e9ussite des missions. Prot\u00e9ger les liaisons entre les a\u00e9ronefs t\u00e9l\u00e9pilot\u00e9s, les stations de contr\u00f4le au sol et leurs op\u00e9rateurs est essentiel pour garantir l\u2019efficacit\u00e9 des capacit\u00e9s ISR de l\u2019OTAN dans des zones contest\u00e9es. <\/p>\n\n\n\n<p>Ensemble, la NSPA et le SnT s\u2019efforceront de relever ce d\u00e9fi. Avec pr\u00e8s de 100 membres, le groupe de recherche SIGCOM du SnT est l&rsquo;un des plus importants au monde dans le domaine des communications par satellite. En associant l\u2019expertise scientifique du groupe SIGCOM aux connaissances op\u00e9rationnelles et aux bases de donn\u00e9es de l\u2019OTAN, le projet d\u00e9veloppera un nouveau mod\u00e8le d\u2019intelligence artificielle qui s\u2019adaptera en permanence aux nouvelles techniques de brouillage. Ce mod\u00e8le sera d\u00e9ploy\u00e9 au sein de stations de contr\u00f4le situ\u00e9es sur le territoire des pays alli\u00e9s de l&rsquo;OTAN, afin de s\u00e9curiser les fr\u00e9quences de communication entre les op\u00e9rateurs et les syst\u00e8mes a\u00e9riens sans \u00e9quipage engag\u00e9s dans les zones de conflits. <\/p>\n\n\n<figure class=\"wp-block-dev4-reusable-blocks-image  object-fit--cover\">\n    \n<img decoding=\"async\" class=\"wp-block-image unilux-custom-image-block\"\n                alt=\"Group photo of NSPA and SNT signature\"\n            src=\"https:\/\/www.uni.lu\/wp-content\/uploads\/sites\/5\/2026\/07\/09111748\/202607_SnT-and-NSPA-Signature_2.jpg\"\n                    style=\"object-position: 50.00% 50.00%; font-family: &quot;object-fit: cover; object-position: 50.00% 50.00%;&quot;; aspect-ratio: 16\/9; object-fit: cover; width: 100%;\"\n        loading=\"lazy\"\n\/>            <p class=\"wp-block-dev4-reusable-blocks-image-caption\">\n            From left to right: Dr. Jorge Querol (project lead), Prof Simone Niclou (Vice-rector for research at the 91¶ÌÊÓÆµ), Dr. Stergios Isaakidis (NSPA AGS &amp; UAS Programme Manager), Prof. Symeon Chatzinotas (Head of SIGCOM research group at the 91¶ÌÊÓÆµ), Attilio GESMUNDO (NSPA Project Manager), Pierrick Marchand (Section Chief in charge as POC with the 91¶ÌÊÓÆµ)         <\/p>\n    <\/figure>\n\n\n<p>Le Luxembourg contribue de mani\u00e8re significative aux op\u00e9rations UAS de l\u2019OTAN, notamment en fournissant des capacit\u00e9s et des services de connectivit\u00e9 satellitaire. <a href=\"https:\/\/www.uni.lu\/en\/news\/competence-hub-in-research-in-cybersecurity-cyber-defence\/\">Le Cyber Research Hub<\/a> (Competence Hub in Research in Cybersecurity and Cyber Defence) renforce la capacit\u00e9 du Luxembourg \u00e0 r\u00e9pondre aux d\u00e9fis nationaux et internationaux, notamment face \u00e0 des cybermenaces toujours plus nombreuses et sophistiqu\u00e9es. \u00c0 travers cette initiative, l\u2019Universit\u00e9 du Luxembourg soutient la Strat\u00e9gie IV de cybers\u00e9curit\u00e9 et la Strat\u00e9gie de cyberd\u00e9fense du gouvernement luxembourgeois  par es activit\u00e9s de recherche, de transfert de technologies et de formation. <\/p>\n\n\n\n<p>\u00ab Le brouillage des satellites constitue une menace croissante. Il est donc essentiel que nos recherches r\u00e9pondent \u00e0 cette \u00e9volution technologique. En collaborant avec la NSPA dans le cadre de ce projet, nous pourrons nous assurer que nos travaux r\u00e9pondent \u00e0 des besoins op\u00e9rationnels concrets \u00bb, explique Dr Jorge Querol, responsable du projet au SnT. \u00ab  En tant que l&rsquo;un des premiers projets du Cyber Research Hub, nous nous r\u00e9jouissons de travailler en \u00e9troite collaboration avec la NSPA et les autres agences de l&rsquo;OTAN, afin d&rsquo;\u00e9tablir un standard ambitieux pour les futures collaborations au sein du Cyber Research Hub. \u00bb <\/p>\n\n\n\n<p>\u00ab Des communications satellitaires fiables sont essentielles aux op\u00e9rations modernes de renseignement, de surveillance et de reconnaissance. Alors que les menaces ne cessent d\u2019\u00e9voluer, nous devons veiller \u00e0 ce que nos syst\u00e8mes demeurent r\u00e9silients et capables de fonctionner dans des environnements contest\u00e9s. Des projets comme celui-ci renforcent la capacit\u00e9 de l\u2019Alliance \u00e0 fournir un soutien rapide et fiable \u00e0 l&rsquo;ISR lorsque cela est le plus n\u00e9cessaire \u00bb, d\u00e9clare le g\u00e9n\u00e9ral de brigade John B. Creel, commandant du NISRF. <\/p>\n\n\n\n<p>\u00ab&nbsp;La NSPA&nbsp;soutient&nbsp;actuellement&nbsp;plusieurs&nbsp;programmes de&nbsp;syst\u00e8mes&nbsp;a\u00e9riens&nbsp;sans&nbsp;\u00e9quipage&nbsp;de&nbsp;l\u2019OTAN,&nbsp;ainsi que des programmes&nbsp;nationaux&nbsp;et&nbsp;multinationaux.&nbsp;&nbsp;Notre objectif est de garantir que ces plateformes demeurent performantes, pertinentes sur le plan op\u00e9rationnel et r\u00e9silientes face aux conflits actuels et futurs. Cette collaboration avec le&nbsp;SnT&nbsp;est essentielle et d\u00e9montrera que l&rsquo;excellence acad\u00e9mique et la recherche peuvent produire des r\u00e9sultats concrets pour les op\u00e9rations mettant en \u0153uvre des syst\u00e8mes a\u00e9riens sans \u00e9quipage&nbsp;\u00bb,&nbsp;conclut le Dr Stergios Isaakidis, responsable du programme AGS &amp; UAS de la NSPA.&nbsp;<\/p>\n<\/div><\/section>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":66,"featured_media":1719,"template":"","format":"standard","meta":{"featured_image_focal_point":{"x":0.53,"y":0.59},"show_featured_caption":false,"ulux_newsletter_groups":"","uluxPostTitle":"","uluxPrePostTitle":"","_trash_the_other_posts":false,"_price":"","_stock":"","_tribe_ticket_header":"","_tribe_default_ticket_provider":"","_tribe_ticket_capacity":"0","_ticket_start_date":"","_ticket_end_date":"","_tribe_ticket_show_description":"","_tribe_ticket_show_not_going":false,"_tribe_ticket_use_global_stock":"","_tribe_ticket_global_stock_level":"","_global_stock_mode":"","_global_stock_cap":"","_tribe_rsvp_for_event":"","_tribe_ticket_going_count":"","_tribe_ticket_not_going_count":"","_tribe_tickets_list":"[]","_tribe_ticket_has_attendee_info_fields":false},"news-category":[3],"news-topic":[9],"organisation":[183],"authorship":[66],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.3 (Yoast SEO v22.3) - 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