Please create a security infrastructure design document for a fictional organization. Your plan will be evaluated according to how well you met the organization's requirements. Points will be awarded based on how well you met these requirements, considering the security implications of your choices. The following elements should be incorporated into your plan:

-Authentication system

-External website security

-Internal website security

-Remote access solution

-Firewall and basic rules recommendations

-Wireless security

-VLAN configuration recommendations

-Laptop security configuration

-Application policy recommendations

-Security and privacy policy recommendations

-Intrusion detection or prevention for systems containing customer data.