Palo Alto Networks' VM-Series Virtual Firewall is the industry’s leading cloud security software, delivering the world’s most effective network security to any cloud or virtualized environment. It is a virtualized form factor of Palo Alto Networks' next-generation firewalls, built to protect your applications from zero-day threats, providing consistent security and easy deployment across all clouds and virtualized environments, including technologies from Amazon Web Services, Microsoft Azure, Google Cloud, VMware, Cisco, KVM, Nutanix, OpenStack, and more.