The file format (QEMU Copy-On-Write) used for virtual disks.
While the string looks like a jumble of characters, it is actually a highly specific filename used by network administrators and security researchers. It refers to a FortiGate Next-Generation Firewall (NGFW) virtual appliance image. fgtvm64kvmv721fbuild1254fortinetoutkvmqcow2 patched
Using a patched QCOW2 file allows a student to run 5 or 10 firewalls simultaneously to simulate a corporate network without spending thousands of dollars on licensing. The Risks of Using "Patched" Firmware The file format (QEMU Copy-On-Write) used for virtual disks
Often restricts the VM to 1 vCPU and 2GB of RAM. why people look for "patched" versions
Here is a deep dive into what this file is, why people look for "patched" versions, and the risks involved. Breaking Down the Filename