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LarryM99
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Re: Joe Weiss is 100% correct.
LarryM99   7/11/2013 12:16:47 AM
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The current security paradigms are moving away from most of the defenses being at the gateway to the system, because it leads to targets that are described as "crunchy on the outside but soft on the inside". Based on that many would advise making these controllers more resistant to attack. Unfortunately, they are relatively unsophisticated devices. What needs to happen is the creation of an effective strategy to protect their programming. For example, you could set up a disconnected computer to program them (the "air gap" that was described in the article) and set up strict scanning protocols for both that machine and media used to transfer files to it.

This works as long as the controllers can be effective on disconnected systems. Unfortunately from a security point of view, they are most efficient when feeding their data to a network. This requires very strong network configuration and monitoring, but if it can be separated from the programming interface that might be effective.

CMathas
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Re: Joe Weiss is 100% correct.
CMathas   7/10/2013 10:46:33 AM
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So if we have a long way to go--what steps can be taken to get there?


This seems pretty critical.

Charles.Desassure
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Joe Weiss is 100% correct.
Charles.Desassure   7/4/2013 1:48:11 AM
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Joe Weiss is 100% correct.   Many companies talk about security, but their management team has no idea what is going on or what is required for information security processes to be successful for their product.  I worked in the area of information security for many years before moving into higher education where I teach courses in this area. We still have a long way to go before companies understand that security should always be at the top of the list. 



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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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