Magento 2 Secure Your Admin

It is important to ensure and upgrade the security of your administration. Hence, you should manage the setting to Secure Your Admin to protect your system as well as to suit the characteristics of your store. To help you understand about the security function that Magento 2 supplies, let me instruct you how to find and configure admin security effectively.

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Secure Your Admin in Magento 2

Step 1: Go to the Security tab
Step 2: Set options for the Security section
Step 3: Save the customization

Step 1: Go to the Security tab

On the Admin sidebar, click Stores > Settings > Configuration.
In the panel on the left, choose Advanced > Admin > Security.

Step 2: Set options for the Security section

In the Add Secret Key to URLs field, leave “Yes” as in default to enable a secret key to Admin URLs or choose “No” to disable it. Because Secret Key is useful for preventing CSRF (Cross-site request forgery) Attack, it is recommended to be activated.
In the Login is Case Sensitive field, select “Yes” to recognize the difference between upper and lowercase characters then demand the user to login with the exact account name and password.
In the Admin Session Lifetime (seconds) field, enter a number which is required to be greater than 60 to determine the time that a user is allowed not to have any action in a session before the system auto-logout the account. To skip this setting, leave the field blank.
In the Maximum Login Failures to Lockout Account field, set a number to decide how many times a user can type the wrong password before their accounts are locked.
In the Lockout Time (minutes) field, enter the number of minutes to lock an account before the user can log in again. This option can Tackle brute force attacks.
In the Password Lifetime (days) field, set the number of days a password can be used before it expires. Leave the field blank if you do not want to activate this feature.
In the Password Change field, select “Forced” to require the users to change their password before it expires or choose “Recommended” to give advice about password resetting.