diff --git a/backend/ebios_rm/helpers.py b/backend/ebios_rm/helpers.py
index 61f57d768f..33cfacd7b1 100644
--- a/backend/ebios_rm/helpers.py
+++ b/backend/ebios_rm/helpers.py
@@ -1,6 +1,7 @@
 from django.db.models.query import QuerySet
 import math
 import random
+from global_settings.models import GlobalSettings
 
 
 def ecosystem_radar_chart_data(stakeholders_queryset: QuerySet):
@@ -35,7 +36,7 @@ def get_reliability_cluster(value):
     """
     // data format: f1-f4 (fiabilité cyber = maturité x confiance ) to get the clusters and colors
     // x,y, z
-    // x: criticité calculée avec cap à 5,5
+    // x: criticité calculée avec cap basé sur le max finalement
     // y: the angle (output of dict to make sure they end up on the right quadrant, min: 45, max:-45) -> done on BE
     // z: the size of item (exposition = dependence x penetration) based on a dict, -> done on BE
     // label: name of the 3rd party entity
@@ -46,6 +47,8 @@ def get_reliability_cluster(value):
     r_data = {"clst1": [], "clst2": [], "clst3": [], "clst4": []}
     angle_offset = {"client": 135, "partner": 225, "supplier": 45}
 
+    max_val = GlobalSettings.objects.get(name="general").value.get("ebios_radar_max", 6)
+
     for sh in qs:
         # current
         c_reliability = sh.current_maturity * sh.current_trust
@@ -54,8 +57,8 @@ def get_reliability_cluster(value):
 
         c_criticality = (
             math.floor(sh.current_criticality * 100) / 100.0
-            if sh.current_criticality <= 5
-            else 5.25
+            if sh.current_criticality <= max_val
+            else max_val - 1 + 0.25
         )
 
         angle = angle_offset[sh.category] + (
@@ -74,8 +77,8 @@ def get_reliability_cluster(value):
 
         r_criticality = (
             math.floor(sh.residual_criticality * 100) / 100.0
-            if sh.residual_criticality <= 5
-            else 5.25
+            if sh.residual_criticality <= max_val
+            else max_val - 1 + 0.25
         )
 
         angle = angle_offset[sh.category] + (
diff --git a/backend/global_settings/serializers.py b/backend/global_settings/serializers.py
index bb68b0f778..71d0d5ed9f 100644
--- a/backend/global_settings/serializers.py
+++ b/backend/global_settings/serializers.py
@@ -4,6 +4,10 @@
 
 GENERAL_SETTINGS_KEYS = [
     "security_objective_scale",
+    "ebios_radar_max",
+    "ebios_radar_green_zone_radius",
+    "ebios_radar_yellow_zone_radius",
+    "ebios_radar_red_zone_radius",
 ]
 
 
diff --git a/backend/global_settings/views.py b/backend/global_settings/views.py
index 1f969f0951..17e3929346 100644
--- a/backend/global_settings/views.py
+++ b/backend/global_settings/views.py
@@ -59,11 +59,23 @@ def get_object(self):
 
     @action(detail=True, name="Get write data")
     def object(self, request, pk=None):
-        GlobalSettings.objects.get_or_create(
-            name="general",
-            defaults={"value": {"security_objective_scale": "1-4"}},
-        )
-        return Response(GeneralSettingsSerializer(self.get_object()).data.get("value"))
+        default_settings = {
+            "security_objective_scale": "1-4",
+            "ebios_radar_max": 6,
+            "ebios_radar_green_zone_radius": 0.2,
+            "ebios_radar_yellow_zone_radius": 0.9,
+            "ebios_radar_red_zone_radius": 2.5,
+        }
+
+        settings, created = GlobalSettings.objects.get_or_create(name="general")
+
+        if created or not all(key in settings.value for key in default_settings):
+            existing_value = settings.value or {}
+            updated_value = {**default_settings, **existing_value}
+            settings.value = updated_value
+            settings.save()
+
+        return Response(GeneralSettingsSerializer(settings).data.get("value"))
 
     @action(detail=True, name="Get security objective scales")
     def security_objective_scale(self, request):
@@ -74,6 +86,22 @@ def security_objective_scale(self, request):
         }
         return Response(choices)
 
+    @action(detail=True, name="Get ebios rm radar parameters")
+    def ebios_radar_parameters(self, request):
+        ebios_rm_parameters = {
+            "ebios_radar_max": self.get_object().value.get("ebios_radar_max"),
+            "ebios_radar_green_zone_radius": self.get_object().value.get(
+                "ebios_radar_green_zone_radius"
+            ),
+            "ebios_radar_yellow_zone_radius": self.get_object().value.get(
+                "ebios_radar_yellow_zone_radius"
+            ),
+            "ebios_radar_red_zone_radius": self.get_object().value.get(
+                "ebios_radar_red_zone_radius"
+            ),
+        }
+        return Response(ebios_rm_parameters)
+
 
 @api_view(["GET"])
 @permission_classes([permissions.AllowAny])
diff --git a/frontend/messages/en.json b/frontend/messages/en.json
index c19b3389ce..5b044af158 100644
--- a/frontend/messages/en.json
+++ b/frontend/messages/en.json
@@ -1128,5 +1128,10 @@
 	"missingLibrariesInImport": "Some libraries are missing, see the list above",
 	"yes": "Yes",
 	"no": "No",
-	"updateAvailable": "Update available"
+	"updateAvailable": "Update available",
+	"ebiosRadarParameters": "Ebios RM radar parameters",
+	"maxRadius": "Max Radius",
+	"greenZoneRadius": "Green zone radius",
+	"yellowZoneRadius": "Yellow zone radius",
+	"redZoneRadius": "Red zone radius"
 }
diff --git a/frontend/messages/fr.json b/frontend/messages/fr.json
index a515ce7cdb..d5612a77c5 100644
--- a/frontend/messages/fr.json
+++ b/frontend/messages/fr.json
@@ -1128,5 +1128,10 @@
 	"missingLibrariesInImport": "Certaines bibliothèques sont manquantes, voir la liste ci-dessus",
 	"yes": "Oui",
 	"no": "Non",
-	"updateAvailable": "Mise à jour disponible"
+	"updateAvailable": "Mise à jour disponible",
+	"ebiosRadarParameters": "Paramètres du radar Ebios RM",
+	"maxRadius": "Rayon maximal",
+	"greenZoneRadius": "Rayon de la zone verte",
+	"yellowZoneRadius": "Rayon de la zone jaune",
+	"redZoneRadius": "Rayon de la zone rouge"
 }
diff --git a/frontend/src/lib/components/Chart/EcosystemRadarChart.svelte b/frontend/src/lib/components/Chart/EcosystemRadarChart.svelte
index d4e1b3aff3..5f2b19d3db 100644
--- a/frontend/src/lib/components/Chart/EcosystemRadarChart.svelte
+++ b/frontend/src/lib/components/Chart/EcosystemRadarChart.svelte
@@ -2,6 +2,7 @@
 	import { onMount } from 'svelte';
 	import { safeTranslate } from '$lib/utils/i18n';
 	import * as m from '$paraglide/messages.js';
+	import { page } from '$app/stores';
 
 	// export let name: string;
 
@@ -12,6 +13,11 @@
 	export let name = '';
 	export let data;
 
+	export let max = $page.data.settings.ebios_radar_max;
+	export let greenZoneRadius = $page.data.settings.ebios_radar_green_zone_radius;
+	export let yellowZoneRadius = $page.data.settings.ebios_radar_yellow_zone_radius;
+	export let redZoneRadius = $page.data.settings.ebios_radar_red_zone_radius;
+
 	// data format: f1-f4 (fiabilité cyber = maturité x confiance ) to get the clusters and colors
 	// x,y, z
 	// x: criticité calculée avec cap à 5,5
@@ -122,7 +128,7 @@
 			},
 			radiusAxis: {
 				type: 'value',
-				max: 6,
+				max: max,
 				inverse: true,
 				axisLabel: { show: true },
 				axisLine: {
@@ -188,50 +194,48 @@
 					}
 				},
 				{
-					name: 'Circle',
+					name: 'CircleR',
 					type: 'line',
 					coordinateSystem: 'polar',
 					itemStyle: { borderJoin: 'round' },
 					symbol: 'none',
 					data: new Array(360).fill(0).map((_, index) => {
-						return [2.5, index];
+						return [redZoneRadius, index];
 					}),
 					lineStyle: {
 						color: '#E73E51',
 						width: 5
 					},
-					// If you don't want this to show up in the legend:
 					showInLegend: false,
 					silent: true,
 					zlevel: -1
 				},
 				{
-					name: 'Circle',
+					name: 'CircleY',
 					type: 'line',
 					coordinateSystem: 'polar',
 					symbol: 'none',
 					data: new Array(360).fill(0).map((_, index) => {
-						return [0.2, index];
+						return [yellowZoneRadius, index];
 					}),
 					lineStyle: {
-						color: '#00ADA8',
+						color: '#F8EA47',
 						width: 5
 					},
-					// If you don't want this to show up in the legend:
 					showInLegend: false,
 					silent: true,
 					zlevel: -1
 				},
 				{
-					name: 'Circle',
+					name: 'CircleG',
 					type: 'line',
 					coordinateSystem: 'polar',
 					symbol: 'none',
 					data: new Array(360).fill(0).map((_, index) => {
-						return [0.9, index];
+						return [greenZoneRadius, index];
 					}),
 					lineStyle: {
-						color: '#F8EA47',
+						color: '#00ADA8',
 						width: 5
 					},
 					// If you don't want this to show up in the legend:
@@ -250,7 +254,7 @@
 						color: '#007FB9',
 						borderWidth: 1
 					},
-					data: [[5.999, 0]],
+					data: [[max - 0.001, 0]],
 					silent: true,
 					zlevel: -1,
 					showInLegend: false
@@ -267,7 +271,7 @@
 					},
 					data: mainAngles.flatMap((angle) => [
 						[0, angle],
-						[6, angle],
+						[max, angle],
 						[NaN, NaN]
 					])
 				}
diff --git a/frontend/src/lib/components/Forms/ModelForm/GeneralSettingForm.svelte b/frontend/src/lib/components/Forms/ModelForm/GeneralSettingForm.svelte
index 9860f23b21..3f7c6a42c5 100644
--- a/frontend/src/lib/components/Forms/ModelForm/GeneralSettingForm.svelte
+++ b/frontend/src/lib/components/Forms/ModelForm/GeneralSettingForm.svelte
@@ -1,8 +1,10 @@
 <script lang="ts">
 	import Select from '../Select.svelte';
+	import NumberField from '../NumberField.svelte';
 	import * as m from '$paraglide/messages';
 	import type { CacheLock, ModelInfo } from '$lib/utils/types';
 	import type { SuperForm } from 'sveltekit-superforms';
+	import { Accordion, AccordionItem } from '@skeletonlabs/skeleton';
 
 	export let form: SuperForm<any>;
 	export let model: ModelInfo;
@@ -10,12 +12,67 @@
 	export let formDataCache: Record<string, any> = {};
 </script>
 
-<Select
-	{form}
-	field="security_objective_scale"
-	cacheLock={cacheLocks['security_objective_scale']}
-	bind:cachedValue={formDataCache['security_objective_scale']}
-	options={model.selectOptions['security_objective_scale']}
-	helpText={m.securityObjectiveScaleHelpText()}
-	label={m.securityObjectiveScale()}
-/>
+<Accordion regionControl="font-bold">
+	<AccordionItem open>
+		<svelte:fragment slot="summary"><i class="fa-solid fa-gem mr-2"></i>{m.asset()}</svelte:fragment
+		>
+		<svelte:fragment slot="content">
+			<Select
+				{form}
+				field="security_objective_scale"
+				cacheLock={cacheLocks['security_objective_scale']}
+				bind:cachedValue={formDataCache['security_objective_scale']}
+				options={model.selectOptions['security_objective_scale']}
+				helpText={m.securityObjectiveScaleHelpText()}
+				label={m.securityObjectiveScale()}
+			/>
+		</svelte:fragment>
+	</AccordionItem>
+	<AccordionItem open>
+		<svelte:fragment slot="summary"
+			><i class="fa-solid fa-gopuram mr-2"></i>{m.ebiosRadarParameters()}</svelte:fragment
+		>
+		<svelte:fragment slot="content">
+			<NumberField
+				{form}
+				field="ebios_radar_max"
+				label={m.maxRadius()}
+				min={6}
+				max={16}
+				step={0.1}
+				cacheLock={cacheLocks['ebios_radar_max']}
+				bind:cachedValue={formDataCache['ebios_radar_max']}
+			/>
+			<NumberField
+				{form}
+				field="ebios_radar_green_zone_radius"
+				label={m.greenZoneRadius()}
+				min={0.1}
+				max={16}
+				step={0.1}
+				cacheLock={cacheLocks['ebios_radar_green_zone_radius']}
+				bind:cachedValue={formDataCache['ebios_radar_green_zone_radius']}
+			/>
+			<NumberField
+				{form}
+				field="ebios_radar_yellow_zone_radius"
+				label={m.yellowZoneRadius()}
+				min={0.5}
+				max={16}
+				step={0.1}
+				cacheLock={cacheLocks['ebios_radar_yellow_zone_radius']}
+				bind:cachedValue={formDataCache['ebios_radar_yellow_zone_radius']}
+			/>
+			<NumberField
+				{form}
+				field="ebios_radar_red_zone_radius"
+				label={m.redZoneRadius()}
+				min={1}
+				max={16}
+				step={0.1}
+				cacheLock={cacheLocks['ebios_radar_red_zone_radius']}
+				bind:cachedValue={formDataCache['ebios_radar_red_zone_radius']}
+			/>
+		</svelte:fragment>
+	</AccordionItem>
+</Accordion>
diff --git a/frontend/src/lib/components/Forms/NumberField.svelte b/frontend/src/lib/components/Forms/NumberField.svelte
index 2ca5183a20..7b77edde75 100644
--- a/frontend/src/lib/components/Forms/NumberField.svelte
+++ b/frontend/src/lib/components/Forms/NumberField.svelte
@@ -6,6 +6,7 @@
 	let _class = '';
 	export { _class as class };
 	export let label: string | undefined = undefined;
+	export let step: number = 1;
 	export let field: string;
 	export let helpText: string | undefined = undefined;
 	export let cachedValue: string | undefined;
@@ -57,6 +58,7 @@
 	<div class="control">
 		<input
 			type="number"
+			{step}
 			class="{'input ' + _class} {classesTextField($errors)}"
 			data-testid="form-input-{field.replaceAll('_', '-')}"
 			name={field}
diff --git a/frontend/src/lib/utils/schemas.ts b/frontend/src/lib/utils/schemas.ts
index 00b53bb3f9..643c3df8b0 100644
--- a/frontend/src/lib/utils/schemas.ts
+++ b/frontend/src/lib/utils/schemas.ts
@@ -290,7 +290,11 @@ export const EvidenceSchema = z.object({
 });
 
 export const GeneralSettingsSchema = z.object({
-	security_objective_scale: z.string()
+	security_objective_scale: z.string(),
+	ebios_radar_max: z.number(),
+	ebios_radar_green_zone_radius: z.number(),
+	ebios_radar_yellow_zone_radius: z.number(),
+	ebios_radar_red_zone_radius: z.number()
 });
 
 export const SSOSettingsSchema = z.object({