Manufacturing Sector
3 articles covering manufacturing OT/ICS security
CISA ICS Advisory: Siemens RUGGEDCOM and SCADABr Remote Code Execution
CISA has released a critical ICS advisory covering unauthenticated remote code execution vulnerabilities in Siemens RUGGEDCOM network devices and SCADABr SCADA software, both widely deployed in energy and manufacturing environments.
OT Network Segmentation: Purdue Model, DMZ Design, and Historian Isolation
A practical guide to network segmentation in OT environments, covering the Purdue Reference Model, industrial DMZ architecture, data historian isolation, and the tradeoffs between operational access and security posture.
The OT Asset Inventory Problem: Visibility Gaps, Passive Discovery, and Unmanaged Devices
Most industrial operators cannot accurately enumerate the devices on their OT networks. This visibility gap is the foundational barrier to OT security—you cannot protect what you cannot see. A practical look at passive discovery tools, the limits of vendor inventories, and strategies for building actionable asset visibility.