Setting Up Google Authenticator with Two-Factor Authentication (2FA) on Various Services

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This guide will walk through the process of setting up two-factor authentication (2FA), specifically using Google's Time-based One-Time Password (TOTP) and HMAC-Based One-Time Password (HOTP) modes, across multiple services including Microsoft Azure/Office 365.

### Step-by-Step Instructions for Each Service

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#### Part 1: Setting Up Two-Factor Authentication

Before proceeding with the service-specific instructions below, ensure that two-factor authentication is enabled on your account. The exact steps may vary depending on your provider:

* For personal accounts:

* Go to 'your_account_provider'.com/2FA (replace `account_provider` with your actual provider's domain).

* Follow the prompts to enable 2-Step Verification.

* For business accounts or enterprise environments, contact your system administrator for assistance.

### Step-by-step Instructions

#### Microsoft Azure and Office 365

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1. Log in to 'Azure portal'(https://portal.azure.com) using a global admin account if you haven't already.

2. Go to Security > Conditional access from the left-hand menu.

3. Click on + New policy at the top of the Conditional Access policies blade.

4. Select or create an appropriate Policy name, then click Next.

5. Under 'Users and groups', select your target users or groups, then click Next.

6. On the Conditions tab:

* Checkmark both Sign-in IP is options (if desired).

7. Click on Next, then under 'Step-up method':

8. Select Require authenticator app notification”, “ Require a phone one-time code', or “require an Azure Active Directory conditional access factor' depending on your organization's policies.

9. If you choose the Authenticator app option, select either Microsoft Authenticenticator or Authy as the recommended apps to use.

#### Google Account

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1. Go to 'Google account'(https://myaccount.google.com/).

2 Click 'Security'.

3 Under 'Two-Step Verification', click 'Turn on'.

4 In the next window, under 'Get an app', select “Authenticator” (the 2nd option). If you don't see this button, click on More options at the bottom of the page.

5 Scan the QR code with your Google Authenticator app or enter the provided secret key manually. Follow any additional prompts in your authenticator application.

#### Microsoft Account

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1. Sign into 'Microsoft account'(https://account.microsoft.com/).

2 Click 'Security & recovery'.

3 Under “Two-factor options”, select “Get an app' under 'Authenticator App'.

4 Scan the QR code with your Google Authenticator or another TOTP/HOTP compliant authenticator application on your mobile device.

5 Follow any additional prompts in your chosen authentication method.

### Troubleshooting Tips

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If you encounter issues during setup, ensure that:

1. Your phone is connected to an active data signal (Wi-Fi/ cellular).

2. The Google Authenticator app is installed and configured correctly on both your mobile device(s) and the target service(s).

Remember to keep sensitive information such as secret keys secure at all times.

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Congratulations! You have successfully set up two-factor authentication using Google's TOTP/HOTP modes across multiple services, significantly enhancing the security of your online accounts.

Google authenticator totp and hotp mode