Blockchain

Everyone is talking about this great technology and every industry is trying to adopt in the business model. Without going deep into technicality and in nutshell, the digital proof of the transaction is established and guaranteed in this distributed ledger.  However, an important element need to think about: how can the digital transaction in the cyber world be enforced for fulfillment in the physical world without any regulation? Think twice: if you have paid ransom via such digital transaction intended to unlock files encrypted by ransomware, how do you ensure that "service" is delivered? Therefore, internal use or limited adoption within closed community enforced with contractual terms are likely the use case in near term....
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Business Value

One of the fundamental principles in cybersecurity is to apply necessary controls to reduce business impact. Business value is the catalyst in the risk management. The cyber poker machine is chosen as an illustration here. If this cyber application is deployed in a casino, the bet outcome means money. The result of each bet must be protected against manipulation like session replay, unauthenticated or fraudulent submission to control the coins release valve. But if it is deployed as part of the entertainment system in an aircraft, then it doesn't matter. The bet outcome is just for fun....
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