Week 31: Internal Segmentation Review

Your task this week will vary based on the type of system you operate. Asset owners with SCADA have more work this week. SCADA Systems SCADA systems monitoring and controlling geographically dispersed systems, such as pipelines, electric grids, and water delivery,...

Week 30: Securing Cloud Service Access To OT

Predictive maintenance, efficiency studies and controls, security monitoring, and other cloud services can offer real benefits to asset owners. This trend of vendors offering, and asset owners using, cloud services is almost certain to increase. The challenge is to...

Week 27: Evaluate And Improve Your OT DMZ

De-militarized zones (DMZ), semi-trusted zones, are a common electronic security perimeter good practice. The firewall segmenting IT from the Internet will often have one or more DMZ to limit direct Internet to IT network communication. A web server, database...