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Worth Reading: IoT devices will never be secure

The biggest problem with IoT security is that most devices are going to be relatively simple and inexpensive connected things. The bandwidth consumption of these devices should be kept to the minimum to save bandwidth. Yet at the same time, security is supposed to be a continuous process. This involves a party that is responsible for keeping an eye on the various security vulnerabilities that emerge from time to time, and another one to make sure that suitable patches are being prepared and applied on timely basis. —CircleID

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Troubleshooting: Half Split

The best models will support the second crucial skill required for troubleshooting: seeing the system as a set of problems to be solved. The problem/solution mindset is so critical in really understanding how networks really work, and hence how to troubleshoot them, that Ethan Banks and I are writing an entire book around this concept. The essential points are these—

  • Understand the set of problems being solved
  • Understand a wide theoretical set of solutions for this problem, including how each solution interacts with other problems and solutions, potential side effects of using each solution, and where the common faults lie in each solution
  • Understand this implementation
  • of this solution

Having this kind of information in your head will help you pull in detail where needed to fill in the models of each system; just as you cannot keep all four of the primary systems in your head at once, you also cannot effectively troubleshoot without a reservoir of more detailed knowledge about each system, or the ready ability to absorb more information about each system as needed. Having a problem/solution mindset also helps keep you focused in troubleshooting.
So you have built models of each system, and you have learned Continue reading

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