diff --git a/public/Derelik.json b/public/Derelik.json
new file mode 100644
index 0000000..93199f7
--- /dev/null
+++ b/public/Derelik.json
@@ -0,0 +1,33 @@
+
+[
+  {
+    "solarSystemName": "Hophib",
+    "x": "15",
+    "y": "105",
+    "security": 0.02914748942441414
+  },
+  {
+    "solarSystemName": "Ziriert",
+    "x": "150",
+    "y": "200",
+    "security": 0.4
+  },
+  {
+    "solarSystemName": "Yashunen",
+    "x": "300",
+    "y": "150",
+    "security": 0.8
+  },
+  {
+    "solarSystemName": "Danera",
+    "x": "200",
+    "y": "350",
+    "security": -0.3
+  },
+  {
+    "solarSystemName": "Shastal",
+    "x": "400",
+    "y": "300",
+    "security": -0.8
+  }
+]
diff --git a/public/Devoid.json b/public/Devoid.json
new file mode 100644
index 0000000..c99e24f
--- /dev/null
+++ b/public/Devoid.json
@@ -0,0 +1,21 @@
+
+[
+  {
+    "solarSystemName": "Amarr",
+    "x": "100",
+    "y": "200",
+    "security": 1.0
+  },
+  {
+    "solarSystemName": "Sarum Prime",
+    "x": "250",
+    "y": "300",
+    "security": 0.9
+  },
+  {
+    "solarSystemName": "Niarja",
+    "x": "400",
+    "y": "250",
+    "security": 0.5
+  }
+]
diff --git a/public/Domain.json b/public/Domain.json
new file mode 100644
index 0000000..848e785
--- /dev/null
+++ b/public/Domain.json
@@ -0,0 +1,21 @@
+
+[
+  {
+    "solarSystemName": "Jita",
+    "x": "200",
+    "y": "150",
+    "security": 0.9
+  },
+  {
+    "solarSystemName": "Dodixie",
+    "x": "350",
+    "y": "280",
+    "security": 0.7
+  },
+  {
+    "solarSystemName": "Rens",
+    "x": "150",
+    "y": "400",
+    "security": 0.6
+  }
+]
diff --git a/public/Genesis.json b/public/Genesis.json
new file mode 100644
index 0000000..f7a0a1e
--- /dev/null
+++ b/public/Genesis.json
@@ -0,0 +1,21 @@
+
+[
+  {
+    "solarSystemName": "Yulai",
+    "x": "180",
+    "y": "120",
+    "security": 1.0
+  },
+  {
+    "solarSystemName": "Crielere",
+    "x": "320",
+    "y": "200",
+    "security": 0.3
+  },
+  {
+    "solarSystemName": "Promised Land",
+    "x": "250",
+    "y": "350",
+    "security": -0.5
+  }
+]
diff --git a/public/Kador.json b/public/Kador.json
new file mode 100644
index 0000000..0959085
--- /dev/null
+++ b/public/Kador.json
@@ -0,0 +1,21 @@
+
+[
+  {
+    "solarSystemName": "Kador Prime",
+    "x": "200",
+    "y": "180",
+    "security": 0.8
+  },
+  {
+    "solarSystemName": "Zirsem",
+    "x": "350",
+    "y": "250",
+    "security": 0.2
+  },
+  {
+    "solarSystemName": "Thebeka",
+    "x": "150",
+    "y": "320",
+    "security": -0.2
+  }
+]
diff --git a/public/universe.json b/public/universe.json
new file mode 100644
index 0000000..5d2cf14
--- /dev/null
+++ b/public/universe.json
@@ -0,0 +1,28 @@
+
+[
+  {
+    "regionName": "Derelik",
+    "x": "413",
+    "y": "357"
+  },
+  {
+    "regionName": "Devoid",
+    "x": "200",
+    "y": "250"
+  },
+  {
+    "regionName": "Domain",
+    "x": "600",
+    "y": "300"
+  },
+  {
+    "regionName": "Genesis",
+    "x": "350",
+    "y": "500"
+  },
+  {
+    "regionName": "Kador",
+    "x": "500",
+    "y": "180"
+  }
+]
diff --git a/src/components/GalaxyMap.tsx b/src/components/GalaxyMap.tsx
index c6deef2..4326db5 100644
--- a/src/components/GalaxyMap.tsx
+++ b/src/components/GalaxyMap.tsx
@@ -1,23 +1,55 @@
 
-import React, { useState, useRef, useCallback } from 'react';
+import React, { useState, useRef, useCallback, useEffect } from 'react';
 import { useNavigate } from 'react-router-dom';
 import { MapNode } from './MapNode';
-import { Connection } from './Connection';
-import { galaxyData } from '../data/galaxyData';
+import { useQuery } from '@tanstack/react-query';
+
+interface Region {
+  regionName: string;
+  x: string;
+  y: string;
+}
 
 interface Position {
   x: number;
   y: number;
 }
 
+const fetchUniverseData = async (): Promise<Region[]> => {
+  const response = await fetch('/universe.json');
+  if (!response.ok) {
+    throw new Error('Failed to fetch universe data');
+  }
+  return response.json();
+};
+
 export const GalaxyMap = () => {
   const navigate = useNavigate();
   const [draggedNode, setDraggedNode] = useState<string | null>(null);
-  const [nodePositions, setNodePositions] = useState<Record<string, Position>>(galaxyData.nodePositions);
+  const [nodePositions, setNodePositions] = useState<Record<string, Position>>({});
   const svgRef = useRef<SVGSVGElement>(null);
 
-  const handleNodeClick = (regionId: string) => {
-    navigate(`/regions/${regionId}`);
+  const { data: regions, isLoading, error } = useQuery({
+    queryKey: ['universe'],
+    queryFn: fetchUniverseData,
+  });
+
+  // Initialize node positions when data is loaded
+  useEffect(() => {
+    if (regions) {
+      const positions: Record<string, Position> = {};
+      regions.forEach(region => {
+        positions[region.regionName] = {
+          x: parseInt(region.x),
+          y: parseInt(region.y)
+        };
+      });
+      setNodePositions(positions);
+    }
+  }, [regions]);
+
+  const handleNodeClick = (regionName: string) => {
+    navigate(`/regions/${regionName}`);
   };
 
   const handleMouseDown = useCallback((nodeId: string) => {
@@ -41,6 +73,22 @@ export const GalaxyMap = () => {
     setDraggedNode(null);
   }, []);
 
+  if (isLoading) {
+    return (
+      <div className="w-full h-screen bg-gradient-to-br from-slate-900 via-purple-900 to-slate-900 flex items-center justify-center">
+        <div className="text-white text-xl">Loading universe data...</div>
+      </div>
+    );
+  }
+
+  if (error) {
+    return (
+      <div className="w-full h-screen bg-gradient-to-br from-slate-900 via-purple-900 to-slate-900 flex items-center justify-center">
+        <div className="text-red-400 text-xl">Error loading universe data</div>
+      </div>
+    );
+  }
+
   return (
     <div className="w-full h-screen bg-gradient-to-br from-slate-900 via-purple-900 to-slate-900 overflow-hidden relative">
       <div className="absolute inset-0 bg-[radial-gradient(ellipse_at_center,_var(--tw-gradient-stops))] from-purple-900/20 via-slate-900/40 to-black"></div>
@@ -70,25 +118,16 @@ export const GalaxyMap = () => {
               </filter>
             </defs>
             
-            {/* Render connections first (behind nodes) */}
-            {galaxyData.connections.map((connection, index) => (
-              <Connection
-                key={index}
-                from={nodePositions[connection.from]}
-                to={nodePositions[connection.to]}
-              />
-            ))}
-            
             {/* Render nodes */}
-            {galaxyData.regions.map((region) => (
+            {regions?.map((region) => (
               <MapNode
-                key={region.id}
-                id={region.id}
-                name={region.name}
-                position={nodePositions[region.id]}
-                onClick={() => handleNodeClick(region.id)}
-                onMouseDown={() => handleMouseDown(region.id)}
-                isDragging={draggedNode === region.id}
+                key={region.regionName}
+                id={region.regionName}
+                name={region.regionName}
+                position={nodePositions[region.regionName] || { x: 0, y: 0 }}
+                onClick={() => handleNodeClick(region.regionName)}
+                onMouseDown={() => handleMouseDown(region.regionName)}
+                isDragging={draggedNode === region.regionName}
                 type="region"
               />
             ))}
diff --git a/src/components/MapNode.tsx b/src/components/MapNode.tsx
index 5b0284a..46d0c3b 100644
--- a/src/components/MapNode.tsx
+++ b/src/components/MapNode.tsx
@@ -1,5 +1,6 @@
 
 import React, { useState } from 'react';
+import { getSecurityColor } from '../utils/securityColors';
 
 interface MapNodeProps {
   id: string;
@@ -9,6 +10,7 @@ interface MapNodeProps {
   onMouseDown: () => void;
   isDragging: boolean;
   type: 'region' | 'system';
+  security?: number;
 }
 
 export const MapNode: React.FC<MapNodeProps> = ({
@@ -18,16 +20,20 @@ export const MapNode: React.FC<MapNodeProps> = ({
   onClick,
   onMouseDown,
   isDragging,
-  type
+  type,
+  security
 }) => {
   const [isHovered, setIsHovered] = useState(false);
   
   const nodeSize = type === 'region' ? 12 : 8;
   const textOffset = type === 'region' ? 20 : 15;
   
-  const nodeColor = type === 'region' 
-    ? (isHovered ? '#8b5cf6' : '#a855f7')
-    : (isHovered ? '#06b6d4' : '#0891b2');
+  // Use security-based color for systems, default colors for regions
+  const nodeColor = type === 'system' && security !== undefined
+    ? getSecurityColor(security)
+    : type === 'region' 
+      ? (isHovered ? '#8b5cf6' : '#a855f7')
+      : (isHovered ? '#06b6d4' : '#0891b2');
 
   return (
     <g
diff --git a/src/components/RegionMap.tsx b/src/components/RegionMap.tsx
index 8b9b2ba..1a1fff2 100644
--- a/src/components/RegionMap.tsx
+++ b/src/components/RegionMap.tsx
@@ -1,10 +1,17 @@
 
-import React, { useState, useRef, useCallback } from 'react';
+import React, { useState, useRef, useCallback, useEffect } from 'react';
 import { useNavigate } from 'react-router-dom';
 import { MapNode } from './MapNode';
-import { Connection } from './Connection';
 import { Button } from '@/components/ui/button';
 import { ArrowLeft } from 'lucide-react';
+import { useQuery } from '@tanstack/react-query';
+
+interface System {
+  solarSystemName: string;
+  x: string;
+  y: string;
+  security: number;
+}
 
 interface Position {
   x: number;
@@ -12,22 +19,44 @@ interface Position {
 }
 
 interface RegionMapProps {
-  regionData: {
-    name: string;
-    systems: Array<{ id: string; name: string }>;
-    nodePositions: Record<string, Position>;
-    connections: Array<{ from: string; to: string }>;
-  };
+  regionName: string;
 }
 
-export const RegionMap: React.FC<RegionMapProps> = ({ regionData }) => {
+const fetchRegionData = async (regionName: string): Promise<System[]> => {
+  const response = await fetch(`/${regionName}.json`);
+  if (!response.ok) {
+    throw new Error(`Failed to fetch ${regionName} data`);
+  }
+  return response.json();
+};
+
+export const RegionMap: React.FC<RegionMapProps> = ({ regionName }) => {
   const navigate = useNavigate();
   const [draggedNode, setDraggedNode] = useState<string | null>(null);
-  const [nodePositions, setNodePositions] = useState<Record<string, Position>>(regionData.nodePositions);
+  const [nodePositions, setNodePositions] = useState<Record<string, Position>>({});
   const svgRef = useRef<SVGSVGElement>(null);
 
-  const handleSystemClick = (systemId: string) => {
-    navigate(`/systems/${systemId}`);
+  const { data: systems, isLoading, error } = useQuery({
+    queryKey: ['region', regionName],
+    queryFn: () => fetchRegionData(regionName),
+  });
+
+  // Initialize node positions when data is loaded
+  useEffect(() => {
+    if (systems) {
+      const positions: Record<string, Position> = {};
+      systems.forEach(system => {
+        positions[system.solarSystemName] = {
+          x: parseInt(system.x),
+          y: parseInt(system.y)
+        };
+      });
+      setNodePositions(positions);
+    }
+  }, [systems]);
+
+  const handleSystemClick = (systemName: string) => {
+    navigate(`/systems/${systemName}`);
   };
 
   const handleMouseDown = useCallback((nodeId: string) => {
@@ -51,6 +80,22 @@ export const RegionMap: React.FC<RegionMapProps> = ({ regionData }) => {
     setDraggedNode(null);
   }, []);
 
+  if (isLoading) {
+    return (
+      <div className="w-full h-screen bg-gradient-to-br from-slate-900 via-cyan-900 to-slate-900 flex items-center justify-center">
+        <div className="text-white text-xl">Loading {regionName} data...</div>
+      </div>
+    );
+  }
+
+  if (error) {
+    return (
+      <div className="w-full h-screen bg-gradient-to-br from-slate-900 via-cyan-900 to-slate-900 flex items-center justify-center">
+        <div className="text-red-400 text-xl">Error loading {regionName} data</div>
+      </div>
+    );
+  }
+
   return (
     <div className="w-full h-screen bg-gradient-to-br from-slate-900 via-cyan-900 to-slate-900 overflow-hidden relative">
       <div className="absolute inset-0 bg-[radial-gradient(ellipse_at_center,_var(--tw-gradient-stops))] from-cyan-900/20 via-slate-900/40 to-black"></div>
@@ -66,7 +111,7 @@ export const RegionMap: React.FC<RegionMapProps> = ({ regionData }) => {
             Back to Galaxy
           </Button>
           <div>
-            <h1 className="text-4xl font-bold text-white">{regionData.name} Region</h1>
+            <h1 className="text-4xl font-bold text-white">{regionName} Region</h1>
             <p className="text-cyan-200">Explore the systems within this region</p>
           </div>
         </div>
@@ -92,26 +137,18 @@ export const RegionMap: React.FC<RegionMapProps> = ({ regionData }) => {
               </filter>
             </defs>
             
-            {/* Render connections first (behind nodes) */}
-            {regionData.connections.map((connection, index) => (
-              <Connection
-                key={index}
-                from={nodePositions[connection.from]}
-                to={nodePositions[connection.to]}
-              />
-            ))}
-            
             {/* Render systems */}
-            {regionData.systems.map((system) => (
+            {systems?.map((system) => (
               <MapNode
-                key={system.id}
-                id={system.id}
-                name={system.name}
-                position={nodePositions[system.id]}
-                onClick={() => handleSystemClick(system.id)}
-                onMouseDown={() => handleMouseDown(system.id)}
-                isDragging={draggedNode === system.id}
+                key={system.solarSystemName}
+                id={system.solarSystemName}
+                name={system.solarSystemName}
+                position={nodePositions[system.solarSystemName] || { x: 0, y: 0 }}
+                onClick={() => handleSystemClick(system.solarSystemName)}
+                onMouseDown={() => handleMouseDown(system.solarSystemName)}
+                isDragging={draggedNode === system.solarSystemName}
                 type="system"
+                security={system.security}
               />
             ))}
           </svg>
diff --git a/src/pages/RegionPage.tsx b/src/pages/RegionPage.tsx
index 3bc6905..187159f 100644
--- a/src/pages/RegionPage.tsx
+++ b/src/pages/RegionPage.tsx
@@ -1,7 +1,6 @@
 
 import { useParams } from 'react-router-dom';
 import { RegionMap } from '../components/RegionMap';
-import { regionData } from '../data/galaxyData';
 import { Button } from '@/components/ui/button';
 import { ArrowLeft } from 'lucide-react';
 import { useNavigate } from 'react-router-dom';
@@ -10,7 +9,7 @@ const RegionPage = () => {
   const { region } = useParams<{ region: string }>();
   const navigate = useNavigate();
   
-  if (!region || !regionData[region]) {
+  if (!region) {
     return (
       <div className="min-h-screen bg-gradient-to-br from-slate-900 via-purple-900 to-slate-900 flex items-center justify-center">
         <div className="text-center">
@@ -28,7 +27,7 @@ const RegionPage = () => {
     );
   }
 
-  return <RegionMap regionData={regionData[region]} />;
+  return <RegionMap regionName={region} />;
 };
 
 export default RegionPage;
diff --git a/src/utils/securityColors.ts b/src/utils/securityColors.ts
new file mode 100644
index 0000000..c748e91
--- /dev/null
+++ b/src/utils/securityColors.ts
@@ -0,0 +1,24 @@
+
+export const getSecurityColor = (security: number): string => {
+  if (security > 0.5) {
+    // Green to blue for high security (0.5, 1]
+    const ratio = (security - 0.5) / 0.5;
+    const green = Math.round(34 + (16 - 34) * ratio); // From #22c55e to #1065d4
+    const blue = Math.round(197 + (212 - 197) * ratio);
+    return `rgb(${Math.round(34 * (1 - ratio) + 16 * ratio)}, ${green}, ${blue})`;
+  } else if (security >= 0) {
+    // Red to yellow for low security [0.0, 0.5]
+    const ratio = security / 0.5;
+    const red = Math.round(239 + (234 - 239) * ratio); // From #ef4444 to #eab308
+    const green = Math.round(68 + (179 - 68) * ratio);
+    const blue = Math.round(68 + (8 - 68) * ratio);
+    return `rgb(${red}, ${green}, ${blue})`;
+  } else {
+    // Purple to red for null security [-1, 0)
+    const ratio = (security + 1) / 1;
+    const red = Math.round(147 + (239 - 147) * ratio); // From #9333ea to #ef4444
+    const green = Math.round(51 + (68 - 51) * ratio);
+    const blue = Math.round(234 + (68 - 234) * ratio);
+    return `rgb(${red}, ${green}, ${blue})`;
+  }
+};