{"id":63984,"date":"2026-10-09T17:23:29","date_gmt":"2026-10-09T16:23:29","guid":{"rendered":"https:\/\/ihedn.fr\/?p=63984"},"modified":"2026-10-12T08:43:01","modified_gmt":"2026-10-12T07:43:01","slug":"lutte-contre-la-desinformation-de-lechelle-individuelle-a-lechelle-nationale","status":"publish","type":"post","link":"https:\/\/ihedn.fr\/en\/lundis-de-lihedn\/lutte-contre-la-desinformation-de-lechelle-individuelle-a-lechelle-nationale\/","title":{"rendered":"Combating disinformation: from the individual level to the national level"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"63984\" class=\"elementor elementor-63984\" data-elementor-post-type=\"post\">\n\t\t\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-996fc96 e-flex e-con-boxed e-con e-parent\" data-id=\"996fc96\" 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-be8755d elementor-widget elementor-widget-heading\" data-id=\"be8755d\" 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<h5 class=\"elementor-heading-title elementor-size-default\">Les Lundis de l'IHEDN sont maintenant disponibles en version audio !<\/h5>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-12bc3a6 elementor-widget elementor-widget-text-editor\" data-id=\"12bc3a6\" 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>Cliquez ci-dessous pour \u00e9couter :<\/p>\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-191a3b6 elementor-widget elementor-widget-html\" data-id=\"191a3b6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<style>\n.player-container-1 {\n  width: 100%;\n  padding: 10px;\n  border-radius: 20px;\n  backdrop-filter: blur(15px);\n  background: rgba(255,255,255,0.15);\n  box-shadow: 0 3px 30px rgba(0,0,0,0.2);\n  display: flex;\n  flex-direction: inline;\n  align-items: flex-start;\n  color: #fff;\n  margin: 0 auto;\n  background-color: #053973;\n}\n\n#waveform-1 {\n  width: 100%;\n  height: 50px;\n  margin-bottom: 20px;\n}\n\n.controls-1 {\n  display: flex;\n  flex-direction: column;\n  align-items: center;\n  gap: 5px;\n}\n\n#playPause-1 {\n  width: 45px;\n  height: 45px;\n  border: none;\n  background: rgba(255,255,255,0.3);\n  backdrop-filter: blur(5px);\n  border-radius: 50%;\n  cursor: pointer;\n  display: flex;\n  justify-content: center;\n  align-items: center;\n  transition: background 0.2s;\n  padding: 0;\n}\n\n#playPause-1:hover {\n  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{\n    const current = wavesurfer1.getCurrentTime();\n    const duration = wavesurfer1.getDuration();\n    timeDisplay1.textContent = formatTime(current) + ' \/ ' + formatTime(duration);\n});\n\nwavesurfer1.on('ready', () => {\n    const duration = wavesurfer1.getDuration();\n    timeDisplay1.textContent = '00:00 \/ ' + formatTime(duration);\n});\n<\/script>\n<\/section>\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 data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-8b3b49e e-con-full e-flex e-con e-parent\" data-id=\"8b3b49e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-6003d99 e-con-full e-flex e-con e-child\" data-id=\"6003d99\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-4ec7f94 e-con-full e-flex e-con e-child\" data-id=\"4ec7f94\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-e37e49f e-con-full e-flex e-con e-child\" data-id=\"e37e49f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-be248d5 elementor-widget elementor-widget-text-editor\" data-id=\"be248d5\" 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 class=\"MsoNormal\">La France est \u00e0 l\u2019heure actuelle l\u2019un des pays les plus cibl\u00e9s par la d\u00e9sinformation, et elle l\u2019est chaque jour de plus en plus. Deux chiffres \u00e9difiants le montrent : sur l\u2019ensemble de l\u2019ann\u00e9e 2025, <a href=\"https:\/\/www.sgdsn.gouv.fr\/viginum\">VIGINUM<\/a> avait d\u00e9tect\u00e9 432 op\u00e9rations d&rsquo;ing\u00e9rence num\u00e9rique \u00e9trang\u00e8re. \u00c0 la mi-juillet 2026, le service gouvernemental charg\u00e9 de la vigilance et de la protection contre les ing\u00e9rences num\u00e9riques \u00e9trang\u00e8res en a d\u00e9j\u00e0 d\u00e9tect\u00e9 430.<\/p><p class=\"MsoNormal\">NewsGuard, une start-up am\u00e9ricaine d\u2019information sur les sources d\u2019information, vient de publier <a href=\"https:\/\/www.newsguardtech.com\/fr\/special-reports\/usuper-identite-medias-fiables-tactique-preferee-russie\/\">un rapport<\/a> sur les usurpations de marques de m\u00e9dias professionnels par des campagnes russes : sur les 15 m\u00e9dias les plus fr\u00e9quemment imit\u00e9s dans le monde entre mars 2023 et septembre 2026 pour diffuser de fausses informations, 8 sont fran\u00e7ais.<\/p><p class=\"MsoNormal\">\u00ab La menace est devenue permanente, massive et prot\u00e9iforme \u00bb, analyse <a name=\"_Hlk242449253\"><\/a>Anne-Sophie Dhiver, cheffe de service adjointe de VIGINUM :<\/p><p class=\"MsoNormal\" style=\"margin-left: 35.4pt;\">\u00ab Ces op\u00e9rations peuvent \u00eatre conduites par des acteurs \u00e9tatiques, mais \u00e9galement par des prestataires priv\u00e9s ou des op\u00e9rateurs motiv\u00e9s par des int\u00e9r\u00eats \u00e9conomiques. Nous assistons ainsi \u00e0 l&rsquo;\u00e9mergence d&rsquo;une v\u00e9ritable \u00e9conomie de la manipulation de l&rsquo;information. De nouveaux op\u00e9rateurs, notamment en Asie du Sud-Est ou en Afrique de l&rsquo;Ouest, produisent massivement des contenus destin\u00e9s aux audiences fran\u00e7aises, non pas n\u00e9cessairement pour servir les int\u00e9r\u00eats d&rsquo;un \u00c9tat, mais pour g\u00e9n\u00e9rer des revenus publicitaires. \u00bb<\/p><p class=\"MsoNormal\">La num\u00e9ro 2 de ce service technique et op\u00e9rationnel de l\u2019\u00c9tat, cr\u00e9\u00e9 en 2021 et rattach\u00e9 au Secr\u00e9tariat g\u00e9n\u00e9ral de la d\u00e9fense et de la s\u00e9curit\u00e9 nationale (SGDSN), liste les quatre crit\u00e8res qui doivent \u00eatre r\u00e9unis pour caract\u00e9riser une ing\u00e9rence num\u00e9rique \u00e9trang\u00e8re : \u00ab L&rsquo;implication d&rsquo;un acteur \u00e9tranger, une m\u00e9thode de diffusion artificielle ou automatis\u00e9e, massive et d\u00e9lib\u00e9r\u00e9e, des contenus manifestement inexacts ou trompeurs et, enfin, une activit\u00e9 susceptible de porter atteinte aux int\u00e9r\u00eats fondamentaux de la nation. \u00bb<\/p><p class=\"MsoNormal\">Une fois ces crit\u00e8res \u00e9tablis, poursuit Anne-Sophie Dhiver, \u00ab nos \u00e9quipes cherchent \u00e0 reconstituer la man\u0153uvre : ses infrastructures num\u00e9riques, ses modes de diffusion, les acteurs qui y participent et les objectifs qu&rsquo;elle poursuit \u00bb. Pour le service de l\u2019\u00c9tat, moteur avec l\u2019ensemble du SGDSN de la <a href=\"https:\/\/www.sgdsn.gouv.fr\/publications\/strategie-nationale-de-lutte-contre-les-manipulations-de-linformation-2026-2030\">Strat\u00e9gie nationale de lutte contre les manipulations de l\u2019information 2026-2030<\/a> d\u00e9voil\u00e9e en f\u00e9vrier, cette exigence est \u00ab fondamentale \u00bb :<\/p><p class=\"MsoNormal\" style=\"margin-left: 35.4pt;\">\u00ab VIGINUM n\u2019est pas une entreprise de <i>fact-checking<\/i>, et son r\u00f4le n\u2019est pas de dire aux citoyens ce qui est vrai ou faux. Une opinion politique ou pol\u00e9mique, m\u00eame particuli\u00e8rement virulente, ne constitue \u00e9videmment pas une ing\u00e9rence \u00e9trang\u00e8re. Notre travail porte sur les proc\u00e9d\u00e9s de manipulation, pas sur les opinions exprim\u00e9es. \u00bb<\/p><p class=\"MsoListParagraph\" style=\"text-indent: -18.0pt; mso-list: l0 level1 lfo1;\"><!-- [if !supportLists]--><span style=\"font-family: Symbol; mso-fareast-font-family: Symbol; mso-bidi-font-family: Symbol;\">\u00b7<span style=\"font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span><\/span><!--[endif]--><a href=\"https:\/\/ihedn.fr\/wp-content\/uploads\/2026\/10\/Entretien-Anne-Sophie-Dhiver-VIGINUM.pdf\"><b>Lire l\u2019int\u00e9gralit\u00e9 de l\u2019entretien avec Anne-Sophie Dhiver<\/b><\/a><b><\/b><\/p><p class=\"MsoNormal\">Autre entit\u00e9 publique engag\u00e9e dans la lutte contre la d\u00e9sinformation, <a href=\"https:\/\/www.defense.gouv.fr\/aid\">l\u2019Agence de l\u2019innovation de d\u00e9fense<\/a> (AID) a lanc\u00e9 en 2022, avec le soutien de l&rsquo;Agence nationale de la recherche (ANR), un appel \u00e0 projets sur la guerre cognitive. Puis, en juillet 2025, l&rsquo;appel \u00ab R\u00e9sistance \u00bb, dont les huit projets retenus viennent de d\u00e9marrer, explique Guillaume Chillet, responsable du domaine scientifique sciences humaines et sociales \u00e0 l\u2019AID :<\/p><p class=\"MsoNormal\" style=\"margin-left: 35.4pt;\">\u00ab L&rsquo;appel couvrait huit th\u00e8mes, des m\u00e9canismes cognitifs de l&rsquo;influence \u00e0 la mesure et \u00e0 l&rsquo;\u00e9valuation, en passant par l&rsquo;inoculation psychologique, la diffusion des narratifs et la r\u00e9sistance collective. Nous y posons trois questions aux chercheurs : quels leviers permettent d&rsquo;augmenter la r\u00e9sistance d&rsquo;un individu \u00e0 la d\u00e9sinformation, quels outils permettent de les actionner, et comment mesurer que ces outils fonctionnent. La troisi\u00e8me est celle qui manque le plus souvent. \u00bb<\/p><p class=\"MsoNormal\">L\u2019AID, qui finance aussi pr\u00e8s de 115 th\u00e8ses par an, a une approche \u00ab volontairement pluridisciplinaire \u00bb, ajoute Guillaume Chillet, \u00ab parce que plus aucun probl\u00e8me de d\u00e9fense ne se laisse enfermer dans une seule discipline : un syst\u00e8me d&rsquo;aide \u00e0 la d\u00e9cision est une question d&rsquo;algorithmes autant que d&rsquo;attention et de confiance de celui qui s&rsquo;en sert, et une campagne de d\u00e9sinformation est une affaire de r\u00e9seaux autant que de psychologie \u00bb.<\/p><p class=\"MsoNormal\">Dans contexte actuel, Guillaume Chillet estime que \u00ab l&rsquo;esprit humain est d\u00e9sormais d\u00e9crit comme un champ de bataille, une zone de contestation \u00bb :<\/p><p class=\"MsoNormal\" style=\"margin-left: 35.4pt;\">\u00ab \u00c0 nos yeux, c&rsquo;est la derni\u00e8re infrastructure critique qui ne soit pas encore prot\u00e9g\u00e9e, et une agence charg\u00e9e d&rsquo;anticiper les menaces ne pouvait pas la laisser de c\u00f4t\u00e9. \u00bb<\/p><p class=\"MsoListParagraph\" style=\"text-indent: -18.0pt; mso-list: l0 level1 lfo1;\"><!-- [if !supportLists]--><span style=\"font-family: Symbol; mso-fareast-font-family: Symbol; mso-bidi-font-family: Symbol;\">\u00b7<span style=\"font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span><\/span><!--[endif]--><a href=\"https:\/\/ihedn.fr\/wp-content\/uploads\/2026\/10\/Entretien-Guillaume-Chillet-AID.pdf\"><b>Lire l\u2019int\u00e9gralit\u00e9 de l\u2019entretien avec Guillaume Chillet<\/b><\/a><b><\/b><\/p><p class=\"MsoNormal\">L\u2019expansion massive de l\u2019intelligence artificielle (IA) d\u00e9multiplie la diffusion de d\u00e9sinformation. \u00ab Les acteurs, techniques et m\u00e9thodes des manipulations de l&rsquo;information \u00e9voluent et se sophistiquent tr\u00e8s rapidement \u00bb, rel\u00e8ve <a href=\"https:\/\/www.chloedebieve.fr\/\">Chlo\u00e9 Debi\u00e8ve<\/a>, conf\u00e9renci\u00e8re et consultante d\u00e9di\u00e9e aux enjeux informationnels et de lutte contre les manipulations de l\u2019information, ancienne charg\u00e9e du domaine influence et lutte informationnelle au Centre interarm\u00e9es de concepts, de doctrines et d&rsquo;exp\u00e9rimentations (CICDE) de l\u2019\u00e9tat-major des arm\u00e9es.<\/p><p class=\"MsoNormal\">L\u2019experte insiste sur la notion de temps, primordiale dans ce domaine :<\/p><p class=\"MsoNormal\" style=\"margin-left: 35.4pt;\">\u00ab Au-del\u00e0 des outils, il me semble ainsi que le principal d\u00e9calage entre la prise de conscience des risques informationnels et la capacit\u00e9 d&rsquo;action face \u00e0 ces derniers r\u00e9side dans l&rsquo;asym\u00e9trie temporelle. En effet, la construction d&rsquo;une r\u00e9ponse durable, la sensibilisation et formation des personnes, la mise en place de dispositifs de veille et de r\u00e9action, le d\u00e9veloppement de doctrine, la prise en main d&rsquo;outils, n\u00e9cessitent un temps significatif. \u00bb<\/p><p class=\"MsoNormal\">Face \u00e0 cela, Chlo\u00e9 Debi\u00e8ve pr\u00e9conise une hygi\u00e8ne informationnelle qu\u2019elle r\u00e9sume en trois mots cl\u00e9s : le temps, la nuance et la confiance :<\/p><p class=\"MsoNormal\" style=\"margin-left: 35.4pt;\">\u00ab Le temps<b> <\/b>comme premier r\u00e9flexe, pour quitter le bruit permanent, le r\u00e8gne de de l&rsquo;instantan\u00e9it\u00e9, la surcharge informationnelle et le rythme impos\u00e9.<\/p><p class=\"MsoNormal\" style=\"margin-left: 35.4pt;\">La nuance en se rappelant que si une information para\u00eet par exemple trop belle, trop choquante ou trop simple voire simpliste pour \u00eatre vraie, alors c&rsquo;est probablement le cas.<\/p><p class=\"MsoNormal\" style=\"margin-left: 35.4pt;\">La confiance : dans<b> <\/b>un environnement informationnel qui nous pousse \u00e0 douter de tout, s&rsquo;obliger au contraire \u00e0 garder des rep\u00e8res de confiance tout en continuant de d\u00e9velopper son esprit critique (et non pas de critique). \u00bb<\/p><p class=\"MsoListParagraph\" style=\"text-indent: -18.0pt; mso-list: l0 level1 lfo1;\"><!-- [if !supportLists]--><span style=\"font-family: Symbol; mso-fareast-font-family: Symbol; mso-bidi-font-family: Symbol;\">\u00b7<span style=\"font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span><\/span><!--[endif]--><a href=\"https:\/\/ihedn.fr\/wp-content\/uploads\/2026\/10\/Entretien-Chloe-Debieve-consultante.pdf\"><b>Lire l\u2019int\u00e9gralit\u00e9 de l\u2019entretien avec Chlo\u00e9 Debi\u00e8ve<\/b><\/a><b><\/b><\/p><p class=\"MsoNormal\"><a href=\"https:\/\/www.antoinemariesci.com\/\">Antoine Marie<\/a>, chercheur post-doctoral au CEVIPOF, psychologue politique, sp\u00e9cialiste des sciences cognitives, de la polarisation politique et de la d\u00e9sinformation, note qu\u2019une nouvelle information accroche le cerveau des gens \u00ab d\u00e8s lors qu\u2019elle est intuitive \u00bb :<\/p><p class=\"MsoNormal\" style=\"margin-left: 35.4pt;\">\u00ab Un discours qui irait compl\u00e8tement \u00e0 l\u2019encontre des croyances d&rsquo;arri\u00e8re-plan des gens, contre ce qu\u2019ils sont d\u00e9j\u00e0 dispos\u00e9s \u00e0 croire, ne marcherait pas, ne serait pas m\u00e9moris\u00e9. Les agences russes ou chinoises, par exemple, viennent toujours appuyer sur des points de vuln\u00e9rabilit\u00e9 de la soci\u00e9t\u00e9 fran\u00e7aise, des ph\u00e9nom\u00e8nes de d\u00e9fiance politique d\u00e9j\u00e0 bien install\u00e9s. Voil\u00e0 l\u2019\u00e9l\u00e9ment le plus important de tous : pour reprendre une expression du sociologue G\u00e9rald Bronner, leur objectif est de surfer sur des pentes naturelles de l&rsquo;esprit. \u00bb<\/p><p class=\"MsoNormal\">Comme les autres sp\u00e9cialistes interrog\u00e9s pour cet article, le psychologue et politologue appelle \u00e0 \u00ab enseigner les r\u00e8gles, les m\u00e9thodes, les principes qui font qu&rsquo;un discours est fiable ou moins fiable \u00bb :<\/p><p class=\"MsoNormal\" style=\"margin-left: 35.4pt;\">\u00ab Pourquoi un contenu journalistique est-il plus fiable que la production d\u2019un influenceur lambda sur les r\u00e9seaux sociaux ? Parce que derri\u00e8re, il y a des professionnels qui contr\u00f4lent mutuellement leur travail et engagent leur r\u00e9putation quand ils publient des informations et ont beaucoup \u00e0 perdre s&rsquo;ils diffusent des <i>fake news<\/i>.<\/p><p class=\"MsoNormal\" style=\"margin-left: 35.4pt;\">Ces professionnels se contredisent les uns les autres et, de ce fait, peuvent contrecarrer leurs biais ou leur agenda id\u00e9ologique personnel. De cette mani\u00e8re, un discours fiable et rationnel \u00e9merge de proc\u00e9d\u00e9s collectifs, de discussions contradictoires, de correction des biais de chacun, de vigilance par rapport \u00e0 sa r\u00e9putation&#8230; \u00bb<\/p><p class=\"MsoListParagraph\" style=\"text-indent: -18.0pt; mso-list: l0 level1 lfo1;\"><!-- [if !supportLists]--><span style=\"font-family: Symbol; mso-fareast-font-family: Symbol; mso-bidi-font-family: Symbol;\">\u00b7<span style=\"font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span><\/span><!--[endif]--><a href=\"https:\/\/ihedn.fr\/wp-content\/uploads\/2026\/10\/Entretien-Antoine-Marie-CEVIPOF.pdf\"><b>Lire l\u2019int\u00e9gralit\u00e9 de l\u2019entretien avec Antoine Marie<\/b><\/a><b><\/b><\/p><p class=\"MsoNormal\"><a name=\"_Hlk242446824\"><\/a>Chez <a href=\"https:\/\/www.newsguardtech.com\/fr\/\">NewsGuard<\/a>, qui se pr\u00e9sente comme le \u00ab leader mondial pour la fiabilit\u00e9 de l\u2019information \u00bb, l\u2019\u00e9quipe plurinationale est constitu\u00e9e de journalistes professionnels. R\u00e9dactrice en chef et vice-pr\u00e9sidente senior charg\u00e9e des partenariats, Europe et Canada, Chine Labb\u00e9 appelle les m\u00e9dias \u00e0 \u00ab faire \u0153uvre de transparence, rehausser leurs standards, se remettre en question\u2026 Ce n\u2019est pas \u00e9vident de gagner la confiance des citoyens aujourd&rsquo;hui, et c&rsquo;est un beau d\u00e9fi pour la profession \u00bb.<\/p><p class=\"MsoNormal\">Dans son dernier rapport, publi\u00e9 le 28 septembre, la start-up am\u00e9ricaine montre que dans ses campagnes de d\u00e9sinformation, la Russie utilise de plus en plus l\u2019usurpation de marques de m\u00e9dias jug\u00e9s cr\u00e9dibles :<\/p><p class=\"MsoNormal\" style=\"margin-left: 35.4pt;\">\u00ab Cette tactique est d\u00e9sormais pr\u00e9sente dans quasiment toutes les campagnes de d\u00e9sinformation russes. Pour quelle raison ? Parce que c&rsquo;est tr\u00e8s prometteur, cela permet de r\u00e9aliser des infox plus cr\u00e9dibles, et potentiellement de tromper plus de gens et de berner les chatbots d&rsquo;IA. \u00bb<\/p><p class=\"MsoNormal\">Le rapport mentionne ainsi un faux article du Point ayant r\u00e9ussi \u00e0 berner l\u2019aper\u00e7u IA de Google. Pour Chine Labb\u00e9, \u00ab si personne ne fait le travail pour montrer qu\u2019un reportage est faux, il y a un risque que ce r\u00e9cit se retrouve dans les r\u00e9ponses donn\u00e9es aux utilisateurs des <i>chatbots<\/i> IA \u00bb :<\/p><p class=\"MsoNormal\" style=\"margin-left: 35.4pt;\">\u00ab C\u2019est tr\u00e8s inqui\u00e9tant, parce qu\u2019on sait que les internautes se servent de plus en plus de l\u2019IA, notamment pour chercher des informations sur les candidats \u00e0 la pr\u00e9sidentielle. \u00bb<\/p><p class=\"MsoNormal\">Par ce vecteur, \u00ab aujourd\u2019hui, ce n&rsquo;est pas parce qu\u2019une infox n&rsquo;a pas de viralit\u00e9 authentique qu&rsquo;elle ne peut pas atteindre les utilisateurs \u00bb, poursuit la journaliste. Quant aux campagnes \u00e0 forte viralit\u00e9, elles pr\u00e9sentent toujours \u00ab un risque de p\u00e9n\u00e9trer le discours authentique, avec le potentiel d&rsquo;influencer une campagne \u00e9lectorale \u00bb.<\/p><p class=\"MsoListParagraph\" style=\"text-indent: -18.0pt; mso-list: l0 level1 lfo1;\"><!-- [if !supportLists]--><span style=\"font-family: Symbol; mso-fareast-font-family: Symbol; mso-bidi-font-family: Symbol;\">\u00b7<span style=\"font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span><\/span><!--[endif]--><a href=\"https:\/\/ihedn.fr\/wp-content\/uploads\/2026\/10\/Entretien-Chine-Labbe-NewsGuard.pdf\"><b>Lire l\u2019int\u00e9gralit\u00e9 de l\u2019entretien avec Chine Labb\u00e9<\/b><\/a><b><\/b><\/p><p class=\"MsoNormal\"><b>POUR APPROFONDIR<\/b><\/p><p class=\"MsoListParagraphCxSpFirst\" style=\"text-indent: -18.0pt; mso-list: l0 level1 lfo1;\"><!-- [if !supportLists]--><span style=\"font-family: Symbol; mso-fareast-font-family: Symbol; mso-bidi-font-family: Symbol;\">\u00b7<span style=\"font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span><\/span><!--[endif]--><a href=\"https:\/\/www.sgdsn.gouv.fr\/publications\/strategie-nationale-de-lutte-contre-les-manipulations-de-linformation-2026-2030\">La strat\u00e9gie nationale de lutte contre les manipulations de l\u2019information 2026-2030<\/a><\/p><p class=\"MsoListParagraphCxSpMiddle\" style=\"text-indent: -18.0pt; mso-list: l0 level1 lfo1;\"><!-- [if !supportLists]--><span style=\"font-family: Symbol; mso-fareast-font-family: Symbol; mso-bidi-font-family: Symbol;\">\u00b7<span style=\"font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span><\/span><!--[endif]--><a href=\"https:\/\/ihedn.fr\/wp-content\/uploads\/2026\/10\/Entretien-Anne-Sophie-Dhiver-VIGINUM.pdf\">Notre entretien avec Anne-Sophie Dhiver (VIGINUM)<\/a><\/p><p class=\"MsoListParagraphCxSpMiddle\" style=\"text-indent: -18.0pt; mso-list: l0 level1 lfo1;\"><!-- [if !supportLists]--><span style=\"font-family: Symbol; mso-fareast-font-family: Symbol; mso-bidi-font-family: Symbol;\">\u00b7<span style=\"font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span><\/span><!--[endif]--><a href=\"https:\/\/ihedn.fr\/wp-content\/uploads\/2026\/10\/Entretien-Guillaume-Chillet-AID.pdf\">Notre entretien avec Guillaume Chillet (Agence de l\u2019innovation de d\u00e9fense)<\/a><\/p><p class=\"MsoListParagraphCxSpMiddle\" style=\"text-indent: -18.0pt; mso-list: l0 level1 lfo1;\"><!-- [if !supportLists]--><span style=\"font-family: Symbol; mso-fareast-font-family: Symbol; mso-bidi-font-family: Symbol;\">\u00b7<span style=\"font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span><\/span><!--[endif]--><a href=\"https:\/\/ihedn.fr\/wp-content\/uploads\/2026\/10\/Entretien-Chloe-Debieve-consultante.pdf\">Notre entretien avec Chlo\u00e9 Debi\u00e8ve (consultante)<\/a><\/p><p class=\"MsoListParagraphCxSpMiddle\" style=\"text-indent: -18.0pt; mso-list: l0 level1 lfo1;\"><!-- [if !supportLists]--><span style=\"font-family: Symbol; mso-fareast-font-family: Symbol; mso-bidi-font-family: Symbol;\">\u00b7<span style=\"font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span><\/span><!--[endif]--><a href=\"https:\/\/ihedn.fr\/wp-content\/uploads\/2026\/10\/Entretien-Antoine-Marie-CEVIPOF.pdf\">Notre entretien avec Antoine Marie (CEVIPOF)<\/a><\/p><p class=\"MsoListParagraphCxSpLast\" style=\"text-indent: -18.0pt; mso-list: l0 level1 lfo1;\"><!-- [if !supportLists]--><span style=\"font-family: Symbol; mso-fareast-font-family: Symbol; mso-bidi-font-family: Symbol;\">\u00b7<span style=\"font-style: normal; font-variant: normal; font-size-adjust: none; font-language-override: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span><\/span><!--[endif]--><a href=\"https:\/\/ihedn.fr\/wp-content\/uploads\/2026\/10\/Entretien-Chine-Labbe-NewsGuard.pdf\">Notre entretien avec Chine Labb\u00e9 (NewsGuard)<\/a><\/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<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>With major elections approaching and artificial intelligence booming, information attacks are on the rise in France. How can we tackle them, both as a society and as individual citizens? Representatives from VIGINUM and the Defence Innovation Agency, a psychologist, a consultant and a journalist: five experts with complementary backgrounds share their insights.<\/p>","protected":false},"author":16,"featured_media":63986,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"page_builder":"","footnotes":""},"categories":[41,171],"tags":[],"class_list":["post-63984","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lundis-de-lihedn","category-notre-selection"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Lutte contre la d\u00e9sinformation : de l\u2019\u00e9chelle individuelle \u00e0 l\u2019\u00e9chelle nationale - L&#039;IHEDN : Institut des hautes \u00e9tudes de d\u00e9fense nationale<\/title>\n<meta name=\"description\" content=\"\u00c0 l\u2019approche d\u2019\u00e9ch\u00e9ances \u00e9lectorales majeures, en plein essor de l\u2019intelligence artificielle, les attaques informationnelles se multiplient en France. Comment les affronter, en tant que collectivit\u00e9 et en tant que citoyen ? Responsables de VIGINUM et de l\u2019Agence de l\u2019innovation de d\u00e9fense, psychologue, consultante, journaliste : cinq experts aux profils compl\u00e9mentaires nous r\u00e9pondent.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ihedn.fr\/en\/lundis-de-lihedn\/lutte-contre-la-desinformation-de-lechelle-individuelle-a-lechelle-nationale\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Lutte contre la d\u00e9sinformation : de l\u2019\u00e9chelle individuelle \u00e0 l\u2019\u00e9chelle nationale\" \/>\n<meta property=\"og:description\" content=\"Le 28 septembre 1781 d\u00e9butait la bataille de Yorktown, pr\u00e9lude \u00e0 la d\u00e9faite britannique dans la guerre d\u2019ind\u00e9pendance des \u00c9tats-Unis. Retour sur quatre figures parmi les milliers de Fran\u00e7ais engag\u00e9s aux c\u00f4t\u00e9s des Am\u00e9ricains : un appui sans lequel ces derniers n&#039;auraient pu gagner leur souverainet\u00e9 si t\u00f4t, selon l&#039;historienne Iris de Rode.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ihedn.fr\/en\/lundis-de-lihedn\/lutte-contre-la-desinformation-de-lechelle-individuelle-a-lechelle-nationale\/\" \/>\n<meta property=\"og:site_name\" content=\"L&#039;IHEDN : Institut des hautes \u00e9tudes de d\u00e9fense nationale\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/ihedn\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-10-09T16:23:29+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-12T07:43:01+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/ihedn.fr\/wp-content\/uploads\/2026\/09\/BANDEAU_LIH_28092026-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1080\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Ayoub Chennoufi\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Lutte contre la d\u00e9sinformation : de l\u2019\u00e9chelle individuelle \u00e0 l\u2019\u00e9chelle nationale\" \/>\n<meta name=\"twitter:description\" content=\"Le 28 septembre 1781 d\u00e9butait la bataille de Yorktown, pr\u00e9lude \u00e0 la d\u00e9faite britannique dans la guerre d\u2019ind\u00e9pendance des \u00c9tats-Unis. 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