diff --git a/backend/src/north/north-azure-blob/manifest.ts b/backend/src/north/north-azure-blob/manifest.ts
index c033f5ed28..15a12c04b1 100644
--- a/backend/src/north/north-azure-blob/manifest.ts
+++ b/backend/src/north/north-azure-blob/manifest.ts
@@ -34,7 +34,7 @@ const manifest: NorthConnectorManifest = {
     {
       key: 'authentication',
       type: 'OibSelect',
-      options: ['sasToken', 'accessKey', 'aad'],
+      options: ['external', 'sasToken', 'accessKey', 'aad', 'powershell'],
       label: 'Authentication',
       defaultValue: 'accessKey',
       newRow: true,
diff --git a/backend/src/north/north-azure-blob/north-azure-blob.spec.ts b/backend/src/north/north-azure-blob/north-azure-blob.spec.ts
index ddf50fc598..d0fd2a8eb6 100644
--- a/backend/src/north/north-azure-blob/north-azure-blob.spec.ts
+++ b/backend/src/north/north-azure-blob/north-azure-blob.spec.ts
@@ -9,7 +9,7 @@ import RepositoryService from '../../service/repository.service';
 import RepositoryServiceMock from '../../tests/__mocks__/repository-service.mock';
 import { NorthConnectorDTO } from '../../../../shared/model/north-connector.model';
 import { BlobServiceClient, StorageSharedKeyCredential } from '@azure/storage-blob';
-import { DefaultAzureCredential } from '@azure/identity';
+import { AzurePowerShellCredential, DefaultAzureCredential } from '@azure/identity';
 import ValueCacheServiceMock from '../../tests/__mocks__/value-cache-service.mock';
 import FileCacheServiceMock from '../../tests/__mocks__/file-cache-service.mock';
 import { NorthAzureBlobSettings } from '../../../../shared/model/north-settings.model';
@@ -28,8 +28,9 @@ jest.mock('@azure/storage-blob', () => ({
   })),
   StorageSharedKeyCredential: jest.fn()
 }));
-jest.mock('@azure/identity', () => ({ DefaultAzureCredential: jest.fn() }));
+jest.mock('@azure/identity', () => ({ DefaultAzureCredential: jest.fn(), AzurePowerShellCredential: jest.fn() }));
 jest.mock('node:fs/promises');
+jest.mock('../../service/utils');
 jest.mock(
   '../../service/cache/archive.service',
   () =>
@@ -184,4 +185,99 @@ describe('NorthAzureBlob', () => {
     expect(getBlockBlobClientMock).toHaveBeenCalledWith('example.file');
     expect(uploadMock).toHaveBeenCalledWith('content', 666);
   });
+
+  it('should properly handle files with external auth', async () => {
+    const filePath = '/path/to/file/example-123.file';
+    (fs.stat as jest.Mock).mockImplementationOnce(() => Promise.resolve({ size: 666 }));
+    (fs.readFile as jest.Mock).mockImplementationOnce(() => Promise.resolve('content'));
+    const defaultAzureCredential = jest.fn();
+    (DefaultAzureCredential as jest.Mock).mockImplementationOnce(() => defaultAzureCredential);
+
+    configuration.settings.authentication = 'external';
+    const north = new NorthAzureBlob(configuration, encryptionService, repositoryService, logger, 'baseFolder');
+
+    await north.start();
+    await north.handleFile(filePath);
+
+    expect(fs.stat).toHaveBeenCalledWith(filePath);
+    expect(fs.readFile).toHaveBeenCalledWith(filePath);
+    expect(DefaultAzureCredential).toHaveBeenCalled();
+    expect(BlobServiceClient).toHaveBeenCalledWith(
+      `https://${configuration.settings.account}.blob.core.windows.net`,
+      defaultAzureCredential
+    );
+    expect(getContainerClientMock).toHaveBeenCalledWith(configuration.settings.container);
+    expect(getBlockBlobClientMock).toHaveBeenCalledWith('example.file');
+    expect(uploadMock).toHaveBeenCalledWith('content', 666);
+  });
+
+  it('should properly handle files with powershell credentials', async () => {
+    const filePath = '/path/to/file/example-123.file';
+    (fs.stat as jest.Mock).mockImplementationOnce(() => Promise.resolve({ size: 666 }));
+    (fs.readFile as jest.Mock).mockImplementationOnce(() => Promise.resolve('content'));
+    const defaultAzureCredential = jest.fn();
+    (AzurePowerShellCredential as jest.Mock).mockImplementationOnce(() => defaultAzureCredential);
+
+    configuration.settings.path = 'my path';
+    configuration.settings.authentication = 'powershell';
+    const north = new NorthAzureBlob(configuration, encryptionService, repositoryService, logger, 'baseFolder');
+
+    await north.start();
+    await north.handleFile(filePath);
+
+    expect(fs.stat).toHaveBeenCalledWith(filePath);
+    expect(fs.readFile).toHaveBeenCalledWith(filePath);
+    expect(AzurePowerShellCredential).toHaveBeenCalled();
+    expect(BlobServiceClient).toHaveBeenCalledWith(
+      `https://${configuration.settings.account}.blob.core.windows.net`,
+      defaultAzureCredential
+    );
+    expect(getContainerClientMock).toHaveBeenCalledWith(configuration.settings.container);
+    expect(getBlockBlobClientMock).toHaveBeenCalledWith('my path/example.file');
+    expect(uploadMock).toHaveBeenCalledWith('content', 666);
+  });
+
+  it('should successfully test', async () => {
+    const defaultAzureCredential = jest.fn();
+    (AzurePowerShellCredential as jest.Mock).mockImplementationOnce(() => defaultAzureCredential);
+    const exists = jest.fn().mockReturnValueOnce(true).mockReturnValueOnce(false);
+    (getContainerClientMock as jest.Mock).mockImplementation(() => {
+      return {
+        exists: exists
+      };
+    });
+    const north = new NorthAzureBlob(configuration, encryptionService, repositoryService, logger, 'baseFolder');
+    await north.testConnection();
+    expect(AzurePowerShellCredential).toHaveBeenCalled();
+    expect(BlobServiceClient).toHaveBeenCalledWith(
+      `https://${configuration.settings.account}.blob.core.windows.net`,
+      defaultAzureCredential
+    );
+    expect(getContainerClientMock).toHaveBeenCalledWith(configuration.settings.container);
+    expect(logger.info).toHaveBeenCalledWith(`Access to container ${configuration.settings.container} ok`);
+    await expect(north.testConnection()).rejects.toThrow(new Error(`Container ${configuration.settings.container} does not exist`));
+  });
+
+  it('should manage test error', async () => {
+    const defaultAzureCredential = jest.fn();
+    (AzurePowerShellCredential as jest.Mock).mockImplementationOnce(() => defaultAzureCredential);
+    (getContainerClientMock as jest.Mock).mockImplementation(() => {
+      throw new Error('connection error');
+    });
+    const north = new NorthAzureBlob(configuration, encryptionService, repositoryService, logger, 'baseFolder');
+
+    await expect(north.testConnection()).rejects.toThrow(new Error('connection error'));
+    expect(getContainerClientMock).toHaveBeenCalledWith(configuration.settings.container);
+    expect(logger.error).toHaveBeenCalledWith(`Error testing Azure Blob connection. ${new Error('connection error')}`);
+  });
+
+  it('should manage bad authentication type', async () => {
+    // @ts-ignore
+    configuration.settings.authentication = 'bad';
+    const north = new NorthAzureBlob(configuration, encryptionService, repositoryService, logger, 'baseFolder');
+
+    await expect(north.start()).rejects.toThrow(
+      new Error(`Authentication "${configuration.settings.authentication}" not supported for North "${configuration.name}"`)
+    );
+  });
 });
diff --git a/backend/src/north/north-azure-blob/north-azure-blob.ts b/backend/src/north/north-azure-blob/north-azure-blob.ts
index 0d16e274a5..ec617d35c1 100644
--- a/backend/src/north/north-azure-blob/north-azure-blob.ts
+++ b/backend/src/north/north-azure-blob/north-azure-blob.ts
@@ -2,7 +2,7 @@ import fs from 'node:fs/promises';
 import path from 'node:path';
 import pino from 'pino';
 import { BlobServiceClient, StorageSharedKeyCredential } from '@azure/storage-blob';
-import { DefaultAzureCredential } from '@azure/identity';
+import { AzurePowerShellCredential, DefaultAzureCredential } from '@azure/identity';
 import NorthConnector from '../north-connector';
 import manifest from '../north-azure-blob/manifest';
 import { NorthConnectorDTO } from '../../../../shared/model/north-connector.model';
@@ -27,6 +27,11 @@ export default class NorthAzureBlob extends NorthConnector<NorthAzureBlobSetting
   }
 
   async start(): Promise<void> {
+    await super.start();
+    await this.prepareConnection();
+  }
+
+  async prepareConnection(): Promise<void> {
     this.logger.info(
       `Connecting to Azure Blob Storage for account ${this.connector.settings.account} and container ${this.connector.settings.container}`
     );
@@ -51,8 +56,21 @@ export default class NorthAzureBlob extends NorthConnector<NorthAzureBlobSetting
         const defaultAzureCredential = new DefaultAzureCredential();
         this.blobClient = new BlobServiceClient(`https://${this.connector.settings.account}.blob.core.windows.net`, defaultAzureCredential);
         break;
+      case 'external':
+        const externalAzureCredential = new DefaultAzureCredential();
+        this.blobClient = new BlobServiceClient(
+          `https://${this.connector.settings.account}.blob.core.windows.net`,
+          externalAzureCredential
+        );
+        break;
+      case 'powershell':
+        this.blobClient = new BlobServiceClient(
+          `https://${this.connector.settings.account}.blob.core.windows.net`,
+          new AzurePowerShellCredential()
+        );
+        break;
       default:
-        throw new Error(`Authentication "${this.connector.settings.authentication}" not supported for South "${this.connector.name}"`);
+        throw new Error(`Authentication "${this.connector.settings.authentication}" not supported for North "${this.connector.name}"`);
     }
   }
 
@@ -76,4 +94,22 @@ export default class NorthAzureBlob extends NorthConnector<NorthAzureBlobSetting
     const uploadBlobResponse = await blockBlobClient.upload(content, stats.size);
     this.logger.info(`Upload block blob "${blobName}" successfully with requestId: ${uploadBlobResponse.requestId}`);
   }
+
+  override async testConnection(): Promise<void> {
+    this.logger.info('Testing Azure Blob connection');
+    await this.prepareConnection();
+
+    let result = false;
+    try {
+      result = await this.blobClient!.getContainerClient(this.connector.settings.container).exists();
+    } catch (error) {
+      this.logger.error(`Error testing Azure Blob connection. ${error}`);
+      throw error;
+    }
+    if (result) {
+      this.logger.info(`Access to container ${this.connector.settings.container} ok`);
+    } else {
+      throw new Error(`Container ${this.connector.settings.container} does not exist`);
+    }
+  }
 }
diff --git a/shared/model/north-settings.model.ts b/shared/model/north-settings.model.ts
index a467a37b14..71bc138d5e 100644
--- a/shared/model/north-settings.model.ts
+++ b/shared/model/north-settings.model.ts
@@ -2,7 +2,7 @@
 // This file is auto-generated by the script located backend/src/settings-interface.generator.ts
 // To update the typescript model run npm run generate-settings-interface on the backend project
 
-const NORTH_AZURE_BLOB_SETTINGS_AUTHENTICATIONS = ['sasToken', 'accessKey', 'aad'] as const
+const NORTH_AZURE_BLOB_SETTINGS_AUTHENTICATIONS = ['external', 'sasToken', 'accessKey', 'aad', 'powershell'] as const
 export type NorthAzureBlobSettingsAuthentication = (typeof NORTH_AZURE_BLOB_SETTINGS_AUTHENTICATIONS)[number];
 
 const NORTH_CSV_TO_HTTP_SETTINGS_REQUEST_METHODS = ['GET', 'POST', 'PUT', 'PATCH'] as const
diff --git a/shared/model/south-settings.model.ts b/shared/model/south-settings.model.ts
index 7c92f9d354..91aa87346d 100644
--- a/shared/model/south-settings.model.ts
+++ b/shared/model/south-settings.model.ts
@@ -616,4 +616,4 @@ export type SouthItemSettings =
   | SouthOracleItemSettings
   | SouthPostgreSQLItemSettings
   | SouthSlimsItemSettings
-  | SouthSQLiteItemSettings
+  | SouthSQLiteItemSettings
\ No newline at end of file