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  1. M

    GE MARK VI Controller Hard-Coded Password Vulnerability Notice

    Hi Folks, This may come as a surprise to some, but there is a hard coded root password in some versions of the GE MARK VIe controllers, and other similar MARK control systems. The root password allows access to the MARK controller, and based on several years I've spent working around these...
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    What is the Cimplicity Alarm Message on a High-High Vibration Trip?

    Hi Everyone. I'm writing up a document to serve as a knowledge base for cyber security in PowerGen, and ran into a snag. Basically, my understanding is that 7FAs (and I'm assuming other frames) usually have a Bently 3500/3300 system installed to watch for excessive vibration. The...
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    Generation Cyber Security Training May 17th

    List, My name is Michael Toecker, and I'm an engineer with Digital Bond who specializes in Cyber Security for power systems. I'm conducting an 8 hour Cyber Security training specifically for Power Generation personnel in Rosemont, IL on May 17th, and would like to invite Control.com readers...
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    Heads Up - PCAnywhere

    Everyone, Not every engineer watches the advisories I do, so I thought a small PSA might be appropriate. Symantec, the vendor of PCAnywhere, is recommending that customers disable use of PCAnywhere until they have time to produce patches for currently known vulnerabilities. On of the...
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    Erasing MARK VIe/Ve Controller Media

    We're performing an upgrade of our Mark VIe controllers, and as part of our NERC CIP requirements we have to clear out the controller media before the controllers can leave the site. The requirement states that I need to "destroy or erase the data storage media to prevent unauthorized...
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    Survey: A Question for Controls ENgineers

    I'd like the control system experts on the board to consider a hypothetical situation, and describe their next few steps in analyzing and fixing the problem. <b>The Situation:</b> You've been experiencing periodic failures of equipment that is important in the reliable and successful...
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    Media Converter Madness

    Problems communicating with an INFI-90 system over fiber media converters using serial SemAPI interface. Communications drop constantly, points take forever to load. Basically: INFI-90<->MediaCon<->~500M MMF<->MediaCon<->SemAPI We're reasonably sure the problem is not at the system...
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    GE MARK IV/V/VI Interface Options

    Hello Owners of the GE MARK IV/V/VI D-EHC system! I'm doing a little bit of research regarding the ways these systems can interface directly to the DCS, and I'm trying to come up with some of the technical benefits/deficiencies associated with each of the methods. The methods I'm looking at...
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