A Tale of Two Lines

Change is part of daily industrial operations. Detecting a change and assessing the validity of that change are critical to effective ICS cybersecurity. Let’s say, for instance, that two lines have been removed from an SIS configuration file. Now let’s say this change blinds the operator to the availability of the SIS.How will you know this configuration change occurred? This particular change happens deep... Read more

Are We Chasing Our Tail?

Recent security alerts say your car isn’t secure and can be remotely controlled. Your house isn’t secure and can let the bad guys unlock the doors. Your watch isn’t secure and can let your confidential information out. Where does this end?As anyone in the security world will tell you, there is no such thing as a completely secure system. There are just levels of... Read more

When a Cybersecurity Stranger Calls

Ever since I was a kid, certain movies have stuck with me, surfacing unexpectedly. Some because they are irreverently funny; I still quote Caddyshack when on a golf course. Others because they explore some element of humanity; think The Deer Hunter and Apocalypse Now. And others simply scare the ever loving you-know-what out of me; The Exorcist was definitely one of those. The movie ... Read more

Ladies and Gentlemen, the Captain Has Turned on the No Hacking Sign

Recently, a Colorado man named Chris Roberts was questioned by the FBI for allegedlyhacking the in-flight entertainment system of a United Airlines plane and issuing a command to one of the aircraft engines.  The command caused the plane to climb and tilt in one direction. Mr. Roberts claims to have hacked airplane systems for a number of years and was only caught this time because he tweeted about his attack on... Read more

Why ICS Matters

ICS matters.The ICS really matters.In fact, the ICS (Industrial Control System) matters more than any other system in industrial operations because when a plant control system operates at anything less than peak performance, safety, security, and profitability are at risk. The control system is the heart of the plant and, like the one that beats inside our chest, we must work to maintain its health.The ICS is also the brain... Read more

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