diff --git a/src/main/java/DNPM/analyzer/EinzelempfehlungAnalyzer.java b/src/main/java/DNPM/analyzer/EinzelempfehlungAnalyzer.java
index efcc0a7..1bf56df 100644
--- a/src/main/java/DNPM/analyzer/EinzelempfehlungAnalyzer.java
+++ b/src/main/java/DNPM/analyzer/EinzelempfehlungAnalyzer.java
@@ -1,8 +1,8 @@
 package DNPM.analyzer;
 
 import DNPM.dto.Variant;
-import DNPM.security.DelegatingDataBasedPermissionEvaluator;
-import DNPM.security.IllegalSecuredObjectAccessException;
+import DNPM.security.PermissionType;
+import DNPM.security.PersonPoolBasedPermissionEvaluator;
 import DNPM.services.molekulargenetik.MolekulargenetikFormService;
 import de.itc.onkostar.api.Disease;
 import de.itc.onkostar.api.IOnkostarApi;
@@ -12,13 +12,14 @@ import de.itc.onkostar.api.analysis.IProcedureAnalyzer;
 import de.itc.onkostar.api.analysis.OnkostarPluginType;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.springframework.security.core.context.SecurityContextHolder;
 import org.springframework.stereotype.Component;
 
 import java.util.List;
 import java.util.Map;
 
 /**
- * Diese Klasse implementiert ein Plugin, welches Funktionen für DNPM UF Einzelempfehlung bereit stellt.
+ * Diese Klasse implementiert ein Plugin, welches Funktionen für DNPM UF Einzelempfehlung bereitstellt.
  *
  * @since 0.2.0
  */
@@ -31,12 +32,12 @@ public class EinzelempfehlungAnalyzer implements IProcedureAnalyzer {
 
     private final MolekulargenetikFormService molekulargenetikFormService;
 
-    private final DelegatingDataBasedPermissionEvaluator permissionEvaluator;
+    private final PersonPoolBasedPermissionEvaluator permissionEvaluator;
 
     public EinzelempfehlungAnalyzer(
             final IOnkostarApi onkostarApi,
             final MolekulargenetikFormService molekulargenetikFormService,
-            final DelegatingDataBasedPermissionEvaluator permissionEvaluator
+            final PersonPoolBasedPermissionEvaluator permissionEvaluator
     ) {
         this.onkostarApi = onkostarApi;
         this.molekulargenetikFormService = molekulargenetikFormService;
@@ -103,10 +104,10 @@ public class EinzelempfehlungAnalyzer implements IProcedureAnalyzer {
             return List.of();
         }
 
-        try {
+        if (permissionEvaluator.hasPermission(SecurityContextHolder.getContext().getAuthentication(), procedure, PermissionType.READ)) {
             return molekulargenetikFormService.getVariants(procedure);
-        } catch (IllegalSecuredObjectAccessException e) {
-            logger.error("Security", e);
+        } else {
+            logger.error("Security: No permission to access procedure '{}'", procedure.getId());
             return List.of();
         }
     }
diff --git a/src/main/java/DNPM/security/FormBasedSecurityAspects.java b/src/main/java/DNPM/security/FormBasedSecurityAspects.java
index 3dea944..306c062 100644
--- a/src/main/java/DNPM/security/FormBasedSecurityAspects.java
+++ b/src/main/java/DNPM/security/FormBasedSecurityAspects.java
@@ -8,11 +8,11 @@ import org.aspectj.lang.annotation.Before;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.security.core.context.SecurityContextHolder;
-import org.springframework.stereotype.Component;
 
 import java.util.Arrays;
 
-@Component
+// TODO Disabled for now - check bytecode reported incompatibility for older OS installations
+//@Component
 @Aspect
 public class FormBasedSecurityAspects {
 
diff --git a/src/main/java/DNPM/services/molekulargenetik/OsMolekulargenetikFormService.java b/src/main/java/DNPM/services/molekulargenetik/OsMolekulargenetikFormService.java
index 06ab9d2..e3d057f 100644
--- a/src/main/java/DNPM/services/molekulargenetik/OsMolekulargenetikFormService.java
+++ b/src/main/java/DNPM/services/molekulargenetik/OsMolekulargenetikFormService.java
@@ -1,7 +1,6 @@
 package DNPM.services.molekulargenetik;
 
 import DNPM.dto.Variant;
-import DNPM.security.PersonPoolSecured;
 import de.itc.onkostar.api.Procedure;
 
 import java.util.List;
@@ -21,7 +20,6 @@ public class OsMolekulargenetikFormService implements MolekulargenetikFormServic
      * @return Die unterstützten Varianten oder eine leere Liste, wenn keine Varianten gefunden wurden.
      */
     @Override
-    @PersonPoolSecured
     public List<Variant> getVariants(Procedure procedure) {
         if (! "OS.Molekulargenetik".equals(procedure.getFormName())) {
             return List.of();
diff --git a/src/test/java/DNPM/analyzer/EinzelempfehlungAnalyzerTest.java b/src/test/java/DNPM/analyzer/EinzelempfehlungAnalyzerTest.java
index 337ffdb..f72159d 100644
--- a/src/test/java/DNPM/analyzer/EinzelempfehlungAnalyzerTest.java
+++ b/src/test/java/DNPM/analyzer/EinzelempfehlungAnalyzerTest.java
@@ -1,6 +1,7 @@
 package DNPM.analyzer;
 
-import DNPM.security.DelegatingDataBasedPermissionEvaluator;
+import DNPM.security.PermissionType;
+import DNPM.security.PersonPoolBasedPermissionEvaluator;
 import DNPM.services.molekulargenetik.MolekulargenetikFormService;
 import de.itc.onkostar.api.IOnkostarApi;
 import de.itc.onkostar.api.Procedure;
@@ -22,22 +23,27 @@ class EinzelempfehlungAnalyzerTest {
 
     private MolekulargenetikFormService molekulargenetikFormService;
 
+    private PersonPoolBasedPermissionEvaluator permissionEvaluator;
+
     private EinzelempfehlungAnalyzer analyzer;
 
     @BeforeEach
     void setup(
             @Mock IOnkostarApi onkostarApi,
             @Mock MolekulargenetikFormService molekulargenetikFormService,
-            @Mock DelegatingDataBasedPermissionEvaluator permissionEvaluator
+            @Mock PersonPoolBasedPermissionEvaluator permissionEvaluator
     ) {
         this.onkostarApi = onkostarApi;
         this.molekulargenetikFormService = molekulargenetikFormService;
+        this.permissionEvaluator = permissionEvaluator;
         this.analyzer = new EinzelempfehlungAnalyzer(onkostarApi, molekulargenetikFormService, permissionEvaluator);
     }
 
     @Test
     void testShouldRequestVariantsFromMolekulargenetikFormService() {
         doAnswer(invocationOnMock -> new Procedure(this.onkostarApi)).when(onkostarApi).getProcedure(anyInt());
+        when(this.permissionEvaluator.hasPermission(any(), any(Procedure.class), any(PermissionType.class)))
+                .thenReturn(true);
 
         analyzer.getVariants(Map.of("id", 123));
         verify(molekulargenetikFormService, times(1)).getVariants(any(Procedure.class));