OT DEFENSEREVIEW

Intelligence for systems that move the physical world.

Coverage desk

Compensating controls

Source-backed reporting and analysis connected to the companies, capabilities, authorities, and operating domains it affects.

Fortinet virtual patching needs signature-applicability evidence

Fortinet presents OT IPS signatures and automated virtual patching as compensating protection for unpatched and legacy assets. The temporary control is defensible only when the exact asset, vulnerable path, signature version, traffic position, test, exception, and vendor-patch decision remain linked.

A Palo Alto OT asset profile is not communication authority

Palo Alto Networks describes passive OT asset discovery, profiling, risk context, and policy controls. A device profile can inform review, but permitted communications still require validated identity, process context, zone and conduit intent, engineering constraints, approved rules, controlled change, and post-change evidence.