Locked Out

Bill Hart leads a team of federal and academic researchers that's developing a system for monitoring contaminants in real time. The “Canary” data analysis software for detecting contamination, as well as a Sensor Placement Optimization Toolkit (TEVA-SPOT) for pinpointing key sensor locations, is being tested by Tucson Water in Arizona.

Fencing is the first line of security for water treatment plants like this one in Houston. Note that the grid pattern is too small to allow a toehold for climbing.

The cost of risk reduction A cost-risk reduction curve can be a useful tool in determining which security measures to use—and at which point implementing additional security measures would lead to marginal risk reduction. The below graph is an example of a typical cost-to-risk curve.

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