How Ransomware Gets In Through a Device Nobody Owns
Ransomware operators look for the device nobody owns. A network printer installed by a department, a contractor's laptop, a test server that outlived its project: each sits on the network without patching, monitoring, or an owner to notice. One unmanaged device is usually enough to establish a foothold.
Ownership is the actual control here, not technology. A device with a named owner gets patched because someone is accountable for it; a device without one is invisible to every process that would have protected it, including the inventory the security team believes is complete. Deliberately left off screen is your own asset gaps: counts of unmanaged devices, network segments, and the systems that cannot be patched are exactly what an attacker would want to read.
The template covers it in seven scenes: one on how a foothold is established, two on where unmanaged devices come from and why each arrival seemed reasonable, one on what the attacker does next, one on the ownership rule that closes the gap, one on what a department should do before connecting anything, and one on how to report a device with no owner.

