diff --git a/packages/bruno-converters/src/openapi/openapi-to-bruno.js b/packages/bruno-converters/src/openapi/openapi-to-bruno.js
index 0d177af30..7d1cf3b11 100644
--- a/packages/bruno-converters/src/openapi/openapi-to-bruno.js
+++ b/packages/bruno-converters/src/openapi/openapi-to-bruno.js
@@ -57,7 +57,7 @@ const transformOpenapiRequestItem = (request) => {
       url: ensureUrl(request.global.server + path),
       method: request.method.toUpperCase(),
       auth: {
-        mode: 'none',
+        mode: 'inherit',
         basic: null,
         bearer: null,
         digest: null
@@ -419,6 +419,19 @@ export const parseOpenApiCollection = (data) => {
           uid: uuid(),
           name: group.name,
           type: 'folder',
+          root: {
+            request: {
+              auth: {
+                mode: 'inherit',
+                basic: null,
+                bearer: null,
+                digest: null
+              }
+            },
+            meta: {
+              name: group.name
+            }
+          },
           items: group.requests.map(transformOpenapiRequestItem)
         };
       });
diff --git a/packages/bruno-converters/tests/openapi/openapi-to-bruno/openapi-circular-references.spec.js b/packages/bruno-converters/tests/openapi/openapi-to-bruno/openapi-circular-references.spec.js
index eedf52567..debaedc72 100644
--- a/packages/bruno-converters/tests/openapi/openapi-to-bruno/openapi-circular-references.spec.js
+++ b/packages/bruno-converters/tests/openapi/openapi-to-bruno/openapi-circular-references.spec.js
@@ -233,7 +233,7 @@ const circularRefsOutput = {
         "url": "{{baseUrl}}/",
         "method": "POST",
         "auth": {
-          "mode": "none",
+          "mode": "inherit",
         },
         "headers": [],
         "params": [],
diff --git a/packages/bruno-converters/tests/openapi/openapi-to-bruno/openapi-to-bruno.spec.js b/packages/bruno-converters/tests/openapi/openapi-to-bruno/openapi-to-bruno.spec.js
index 6cffe78f6..91ff66460 100644
--- a/packages/bruno-converters/tests/openapi/openapi-to-bruno/openapi-to-bruno.spec.js
+++ b/packages/bruno-converters/tests/openapi/openapi-to-bruno/openapi-to-bruno.spec.js
@@ -8,6 +8,13 @@ describe('openapi-collection', () => {
     expect(brunoCollection).toMatchObject(expectedOutput);
   });
 
+  it('should set auth mode to inherit when no security is defined in the collection', () => {
+    const brunoCollection = openApiToBruno(openApiCollectionString);
+    
+    // The openApiCollectionString has no security defined, so auth mode should be 'inherit'
+    expect(brunoCollection.items[0].items[0].request.auth.mode).toBe('inherit');
+  });
+
   it('trims whitespace from info.title and uses the trimmed value as the collection name', () => {
     const openApiWithTitle = `
 openapi: '3.0.0'
@@ -109,6 +116,124 @@ servers:
     expect(result.name).toBe('Untitled Collection');
   });
 
+  describe('authentication inheritance', () => {
+    it('should set auth mode to inherit when no security is defined', () => {
+      const openApiWithoutSecurity = `
+openapi: '3.0.0'
+info:
+  version: '1.0.0'
+  title: 'API without security'
+paths:
+  /test:
+    get:
+      summary: 'Test endpoint'
+      operationId: 'testEndpoint'
+      responses:
+        '200':
+          description: 'OK'
+servers:
+  - url: 'https://example.com'
+`;
+      const result = openApiToBruno(openApiWithoutSecurity);
+      expect(result.items[0].request.auth.mode).toBe('inherit');
+    });
+
+    it('should set auth mode to inherit when no global security schemes exist', () => {
+      const openApiWithEmptySecurity = `
+openapi: '3.0.0'
+info:
+  version: '1.0.0'
+  title: 'API with empty security'
+security: []
+paths:
+  /test:
+    get:
+      summary: 'Test endpoint'
+      operationId: 'testEndpoint'
+      responses:
+        '200':
+          description: 'OK'
+servers:
+  - url: 'https://example.com'
+`;
+      const result = openApiToBruno(openApiWithEmptySecurity);
+      expect(result.items[0].request.auth.mode).toBe('inherit');
+    });
+
+    it('should set auth mode to inherit when components.securitySchemes is empty', () => {
+      const openApiWithEmptyComponents = `
+openapi: '3.0.0'
+info:
+  version: '1.0.0'
+  title: 'API with empty components'
+components:
+  securitySchemes: {}
+paths:
+  /test:
+    get:
+      summary: 'Test endpoint'
+      operationId: 'testEndpoint'
+      responses:
+        '200':
+          description: 'OK'
+servers:
+  - url: 'https://example.com'
+`;
+      const result = openApiToBruno(openApiWithEmptyComponents);
+      expect(result.items[0].request.auth.mode).toBe('inherit');
+    });
+
+    it('should set auth mode to inherit when operation has empty security array', () => {
+      const openApiWithEmptyOperationSecurity = `
+openapi: '3.0.0'
+info:
+  version: '1.0.0'
+  title: 'API with empty operation security'
+components:
+  securitySchemes:
+    basicAuth:
+      type: http
+      scheme: basic
+paths:
+  /test:
+    get:
+      summary: 'Test endpoint'
+      operationId: 'testEndpoint'
+      security: []
+      responses:
+        '200':
+          description: 'OK'
+servers:
+  - url: 'https://example.com'
+`;
+      const result = openApiToBruno(openApiWithEmptyOperationSecurity);
+      expect(result.items[0].request.auth.mode).toBe('inherit');
+    });
+
+    it('should set auth mode to inherit for folder root when no security is defined', () => {
+      const openApiWithTags = `
+openapi: '3.0.0'
+info:
+  version: '1.0.0'
+  title: 'API with tags'
+paths:
+  /test:
+    get:
+      tags:
+        - TestGroup
+      summary: 'Test endpoint'
+      operationId: 'testEndpoint'
+      responses:
+        '200':
+          description: 'OK'
+servers:
+  - url: 'https://example.com'
+`;
+      const result = openApiToBruno(openApiWithTags);
+      expect(result.items[0].type).toBe('folder');
+      expect(result.items[0].root.request.auth.mode).toBe('inherit');
+    });
+  });
 });
 
 const openApiCollectionString = `
@@ -174,7 +299,7 @@ const expectedOutput = {
               "basic": null,
               "bearer": null,
               "digest": null,
-              "mode": "none",
+              "mode": "inherit",
             },
             "body": {
               "formUrlEncoded": [],