diff --git a/leshan-integration-tests/src/test/java/org/eclipse/leshan/integration/tests/util/RedisSecureIntegrationTestHelper.java b/leshan-integration-tests/src/test/java/org/eclipse/leshan/integration/tests/util/RedisSecureIntegrationTestHelper.java
index e907752519..eb472e64d0 100644
--- a/leshan-integration-tests/src/test/java/org/eclipse/leshan/integration/tests/util/RedisSecureIntegrationTestHelper.java
+++ b/leshan-integration-tests/src/test/java/org/eclipse/leshan/integration/tests/util/RedisSecureIntegrationTestHelper.java
@@ -34,7 +34,7 @@ protected SecurityStore createSecurityStore() {
         } else {
             jedis = new JedisPool();
         }
-        securityStore = new RedisSecurityStore.Builder(jedis).build();
+        securityStore = new RedisSecurityStore(jedis);
         return securityStore;
     }
 }
diff --git a/leshan-server-demo/src/main/java/org/eclipse/leshan/server/demo/LeshanServerDemo.java b/leshan-server-demo/src/main/java/org/eclipse/leshan/server/demo/LeshanServerDemo.java
index e521dbc74c..94f4234c32 100644
--- a/leshan-server-demo/src/main/java/org/eclipse/leshan/server/demo/LeshanServerDemo.java
+++ b/leshan-server-demo/src/main/java/org/eclipse/leshan/server/demo/LeshanServerDemo.java
@@ -34,7 +34,7 @@
 import org.eclipse.californium.elements.util.CertPathUtil;
 import org.eclipse.californium.scandium.config.DtlsConfig;
 import org.eclipse.californium.scandium.config.DtlsConfig.DtlsRole;
-import org.eclipse.californium.scandium.config.DtlsConnectorConfig;
+import org.eclipse.californium.scandium.config.DtlsConnectorConfig.Builder;
 import org.eclipse.jetty.server.Server;
 import org.eclipse.jetty.servlet.ServletHolder;
 import org.eclipse.jetty.webapp.WebAppContext;
@@ -162,7 +162,7 @@ public static LeshanServer createLeshanServer(LeshanServerDemoCLI cli) throws Ex
             securityStore = new FileSecurityStore();
         } else {
             // use Redis Store
-            securityStore = new RedisSecurityStore.Builder(cli.main.redis).build();
+            securityStore = new RedisSecurityStore(cli.main.redis);
             builder.setRegistrationStore(new RedisRegistrationStore(cli.main.redis));
         }
         builder.setSecurityStore(securityStore);
@@ -190,10 +190,8 @@ public CaliforniumServerEndpointFactory createDefaultEndpointFactory(URI uri) {
                 return new CoapsServerEndpointFactory(uri) {
 
                     @Override
-                    protected DtlsConnectorConfig.Builder createDtlsConnectorConfigBuilder(
-                            Configuration endpointConfiguration) {
-                        DtlsConnectorConfig.Builder dtlsConfigBuilder = super.createDtlsConnectorConfigBuilder(
-                                endpointConfiguration);
+                    protected Builder createDtlsConnectorConfigBuilder(Configuration endpointConfiguration) {
+                        Builder dtlsConfigBuilder = super.createDtlsConnectorConfigBuilder(endpointConfiguration);
 
                         // Add MDC for connection logs
                         if (cli.helpsOptions.getVerboseLevel() > 0)
diff --git a/leshan-server-redis/src/main/java/org/eclipse/leshan/server/redis/RedisSecurityStore.java b/leshan-server-redis/src/main/java/org/eclipse/leshan/server/redis/RedisSecurityStore.java
index 3d90686723..0dfa20ec5c 100644
--- a/leshan-server-redis/src/main/java/org/eclipse/leshan/server/redis/RedisSecurityStore.java
+++ b/leshan-server-redis/src/main/java/org/eclipse/leshan/server/redis/RedisSecurityStore.java
@@ -49,7 +49,11 @@ public class RedisSecurityStore implements EditableSecurityStore {
 
     private final List<SecurityStoreListener> listeners = new CopyOnWriteArrayList<>();
 
-    private RedisSecurityStore(Builder builder) {
+    public RedisSecurityStore(Pool<Jedis> pool) {
+        this(new Builder(pool));
+    }
+
+    protected RedisSecurityStore(Builder builder) {
         this.pool = builder.pool;
         this.securityInfoByEndpointPrefix = builder.securityInfoByEndpointPrefix;
         this.endpointByPskIdKey = builder.endpointByPskIdKey;
@@ -186,29 +190,24 @@ public static class Builder {
 
         private String prefix;
 
-        /**
-         * Set the Redis connection pool for the {@link RedisSecurityStore}.
-         */
-        public void setPool(Pool<Jedis> pool) {
-            this.pool = pool;
-        }
-
         /**
          * Set the key prefix for security info lookup by endpoint.
          * <p>
-         * Default value is {@literal SEC#EP#}.
+         * Default value is {@literal SEC#EP#}. Should not be {@code null} or empty.
          */
-        public void setSecurityInfoByEndpointPrefix(String securityInfoByEndpointPrefix) {
+        public Builder setSecurityInfoByEndpointPrefix(String securityInfoByEndpointPrefix) {
             this.securityInfoByEndpointPrefix = securityInfoByEndpointPrefix;
+            return this;
         }
 
         /**
          * Set the key for endpoint lookup by PSK identity.
          * <p>
-         * Default value is {@literal EP#PSKID}.
+         * Default value is {@literal EP#PSKID}. Should not be {@code null} or empty.
          */
-        public void setEndpointByPskIdKey(String endpointByPskIdKey) {
+        public Builder setEndpointByPskIdKey(String endpointByPskIdKey) {
             this.endpointByPskIdKey = endpointByPskIdKey;
+            return this;
         }
 
         /**
@@ -217,8 +216,9 @@ public void setEndpointByPskIdKey(String endpointByPskIdKey) {
          * <p>
          * Default value is {@literal SECSTORE#}.
          */
-        public void setPrefix(String prefix) {
+        public Builder setPrefix(String prefix) {
             this.prefix = prefix;
+            return this;
         }
 
         public Builder(Pool<Jedis> pool) {
@@ -231,11 +231,27 @@ public Builder(Pool<Jedis> pool) {
         /**
          * Create the {@link RedisSecurityStore}.
          * <p>
-         * @return the Redis security store.
+         * Throws {@link IllegalArgumentException} when {@link #securityInfoByEndpointPrefix} or
+         * {@link #endpointByPskIdKey} are not set or are equal to each other.
          */
-        public RedisSecurityStore build() {
-            this.securityInfoByEndpointPrefix = this.prefix + this.securityInfoByEndpointPrefix;
-            this.endpointByPskIdKey = this.prefix + this.endpointByPskIdKey;
+        public RedisSecurityStore build() throws IllegalArgumentException {
+            if (this.securityInfoByEndpointPrefix == null || this.securityInfoByEndpointPrefix.isEmpty()) {
+                throw new IllegalArgumentException("securityInfoByEndpointPrefix should not be empty");
+            }
+
+            if (this.endpointByPskIdKey == null || this.endpointByPskIdKey.isEmpty()) {
+                throw new IllegalArgumentException("endpointByPskIdKey should not be empty");
+            }
+
+            if (this.securityInfoByEndpointPrefix.equals(this.endpointByPskIdKey)) {
+                throw new IllegalArgumentException(
+                        "securityInfoByEndpointPrefix should not be equal to endpointByPskIdKey");
+            }
+
+            if (this.prefix != null) {
+                this.securityInfoByEndpointPrefix = this.prefix + this.securityInfoByEndpointPrefix;
+                this.endpointByPskIdKey = this.prefix + this.endpointByPskIdKey;
+            }
 
             return new RedisSecurityStore(this);
         }