A business wished to extend the use of its virus scanning software to the business' customers. This requires the business to allow customers enough access to the internal network so virus scanning software can be downloaded to a customer's computer. Which two security measures will the business have to take to ensure customer access for virus scanning downloads, yet protect internal systems from possible unauthorized access? Ask each customer to sign a non-disclosure agreement. Reboot every router after each download has completed. Require a username and password for network access. Take steps to detect any presences of malware