> For the complete documentation index, see [llms.txt](https://ztrust.gitbook.io/ztrust-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ztrust.gitbook.io/ztrust-documentation/user-manual-ztrust-v4.1/4.-admin-manual/4.13-set-up-multi-factor-authentication/4.13.2-recaptcha-login-flow.md). # 4.13.2 ReCAPTCHA login flow *"reCAPTCHAs are used to distinguish humans from automated bots, protecting websites from malicious activities like spam, fake registrations, data scraping, and brute-force attacks by presenting challenges that are difficult for computers but easy for humans to solve. They enhance online security, prevent abuse of services, ensure fair use of resources, and safeguard sensitive processes like online purchases and voting."* To set up reCAPTCHA login flow, follow the below steps - 1. Click on **Authentication** in the sidebar.

Fig. 4.12.2.a: Navingating to Authentication section

2. Click on the **kebab menu (three dots)** on the right side of the browser flow. Select **Duplicate**. A popup will appear.

Fig 4.12.2.b: Duplicating the existing browser flow

3. Enter a **Name**, "ReCAPTCHA login" and give a description to it.\

Fig 4.12.2.c: Giving a name to the new browser flow for reCAPTCHA login

4. Click **Duplicate**. You will be redirected to the flow configuration.

Fig 4.12.2.d: Duplicated browser flow configuration page for reCAPTCHA login

5. Delete everything under **ReCAPTCHA login forms**.

Fig 4.12.2.e: reCAPTCHA browser flow configuration page after deleting executions

6. Click on the **plus** icon on the right side of the **ReCaptcha login forms**. Select **Add Execution**. A popup will appear to select an execution.

Fig 4.12.2.f: Proceeding to add a new execution to reCAPTCHA login flow

7. Search for **Login Recaptcha Form**, select it and click **Add**.

Fig 4.12.2.g: Select 'Login ReCaptcha Form' execution to add

8. Click on the **settings menu (gear icon)** on the right side of the **Login Recaptcha form**. A popup will appear to configure the **reCAPTCHA**.

Fig 4.12.2.h: Proceeding to configure reCAPTCHA for login

9. Give it an alias. Enter your reCAPTCHA Site Key and reCAPTCHA Secret.

Fig 4.12.2.i: Configuring reCAPTCHA for login

Field Name	Mandatory (Yes/No)	Field Type	Description
Recaptcha Site Key	Yes	Text	Enter the reCAPTCHA site key as generated from Google Cloud Console
Recaptcha Secret	Yes	Text	Enter the reCAPTCHA secret key as generated from Google Cloud Console

10. Click **Save**. 11. Set the **Requirement** for **Login Recaptcha form** as **Required**.

Fig 4.12.2.j: Changing the 'Requirement' of reCAPTCHA for login

12. Click on the **Actions**, on the top right of the page, and then **Bind flow**. A popup will appear.

Fig 4.12.2.k: Proceeding to bind the login reCAPTCHA flow

13. Select the **binding type** as **browser flow** and click **Save**.

Fig 4.12.2.l: Selecting a flow to bind reCAPTCHA login to

The ReCAPTCHA will now be enabled in the login page.