An organization offers SaaS services through a public email and storage provider. To facilitate

password resets, a simple online system is set up$.$ During a routine check of the storage each

month, a significant increase in use of storage can be seen. Which of the following techniques

would remediate the attack?

A$.$ Including input sanitization to the logon page

B$.$ Configuring an account lockout policy

C$.$ Implementing a new password reset system

D$.$ Adding MFA to all accounts