diff --git a/Launcher/src/main/java/ru/gravit/launcher/LauncherEngine.java b/Launcher/src/main/java/ru/gravit/launcher/LauncherEngine.java
index 7b882b73..40a033bd 100644
--- a/Launcher/src/main/java/ru/gravit/launcher/LauncherEngine.java
+++ b/Launcher/src/main/java/ru/gravit/launcher/LauncherEngine.java
@@ -149,6 +149,7 @@ public static void addLauncherClassBindings(Map<String, Object> bindings) {
 
     public static void main(String... args) throws Throwable {
         JVMHelper.verifySystemProperties(Launcher.class, true);
+        EnvHelper.checkDangerousParametrs();
         LogHelper.printVersion("Launcher");
         // Start Launcher
         Instant start = Instant.now();
diff --git a/Launcher/src/main/java/ru/gravit/launcher/client/ClientLauncher.java b/Launcher/src/main/java/ru/gravit/launcher/client/ClientLauncher.java
index 044653ab..d00431ac 100644
--- a/Launcher/src/main/java/ru/gravit/launcher/client/ClientLauncher.java
+++ b/Launcher/src/main/java/ru/gravit/launcher/client/ClientLauncher.java
@@ -415,6 +415,7 @@ public static void main(String... args) throws Throwable {
         }
         checkJVMBitsAndVersion();
         JVMHelper.verifySystemProperties(ClientLauncher.class, true);
+        EnvHelper.checkDangerousParametrs();
         LogHelper.printVersion("Client Launcher");
         // Read and delete params file
         LogHelper.debug("Reading ClientLauncher params");
diff --git a/libLauncher/src/main/java/ru/gravit/utils/helper/EnvHelper.java b/libLauncher/src/main/java/ru/gravit/utils/helper/EnvHelper.java
index 7e0406fe..057d799a 100644
--- a/libLauncher/src/main/java/ru/gravit/utils/helper/EnvHelper.java
+++ b/libLauncher/src/main/java/ru/gravit/utils/helper/EnvHelper.java
@@ -8,13 +8,10 @@
 
 import ru.gravit.launcher.LauncherAPI;
 
-@LauncherAPI
 public class EnvHelper {
     private static final boolean TST;
     private static final boolean HASXM;
-    @LauncherAPI
     public static final String[] toTest;
-    @LauncherAPI
     public static final Pattern[] test;
 
     static {
@@ -24,7 +21,6 @@ public class EnvHelper {
         HASXM = check1();
     }
 
-    @LauncherAPI
     public static void addEnv(ProcessBuilder builder) {
         if (hasOptsVar()) {
             Map<String, String> repl = new HashMap<>();
@@ -35,6 +31,14 @@ public static void addEnv(ProcessBuilder builder) {
             JVMHelper.appendVars(builder, repl);
         }
     }
+    public static void checkDangerousParametrs()
+    {
+        for(String t : toTest)
+        {
+            String env = System.getenv(t);
+            if(env.contains("-javaagent") || env.contains("-agentpath") || env.contains("-agentlib")) throw new SecurityException("JavaAgent in global optings not allow");
+        }
+    }
 
     private static boolean check0() {
         for (String test : toTest) if (System.getProperty(test) != null) return true;