You have a Microsoft 365 E5 subscription that contains a group named Group1.

User sign-in frequency

Sign-in frequency defines the time period before a user is asked to sign in again when attempting to access a resource.

The Azure Active Directory (Azure AD) default configuration for user sign-in frequency is a rolling window of 90 days.

Sign-in frequency control

Sign in to the Azure portal as a global administrator, security administrator, or Conditional Access administrator.

Browse to Azure Active Directory > Security > Conditional Access.

Select New policy.

Give your policy a name. We recommend that organizations create a meaningful standard for the names of their policies.

Choose all required conditions for customer’s environment, including the target cloud apps.

Under Access controls > Session.

Select Sign-in frequency.

Choose Periodic reauthentication and enter a value of hours or days or select Every time.

Save your policy.