Which tool aids in the migration from competitive firewalls?

The tool that aids in the migration from competitive firewalls is called Expedition. This tool is specifically designed to simplify the process of migrating configurations from other firewall vendors to Palo Alto Networks firewalls. It provides features that allow users to analyze existing configurations, map security policies, and adapt them to the Palo Alto Networks environment efficiently. By using Expedition, organizations can transition more smoothly to Palo Alto Networks' firewalls, ensuring that they maintain necessary security functions and minimize potential misconfigurations during the switch.

Other tools mentioned, such as BPA (Best Practice Assessment), PPA (Policy Optimization), and SLR (Security Lifecycle Review), serve different purposes. BPA provides evaluations to ensure that a firewall is configured according to best practices, PPA focuses on optimizing existing policies, and SLR manages ongoing security posture and compliance. While these tools are valuable for various aspects of firewall management and compliance, they do not specifically address the migration from competitive firewalls like Expedition does.