John Cusimano


Oil and Gas October 24, 2019

Refinery network switch leads to downtime

A refinery attempted to upgrade their process control network (PCN) switches in one unit during a planned maintenance window, but it led to several hours of downtime.

By John Cusimano
Safety Standards September 1, 2009

Pursuing the discipline of control system cyber security

As a relative newbie to the world of control system cyber security (who isn't?) but an old-timer to control system functional safety, there are two things I have noticed. One, the best performing companies approach safety and security as an engineering discipline. Two, they maintain discipline by having a deeply embedded safety and security corporate culture.

By John Cusimano