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Resetting vSphere 6.x ESXi Account Lockouts via SSH

VMware vSphere has had a good security feature added since vSphere ESXi 6.0 to add a root account lockout for safety. After a number of failed login attempts, the server will trigger a lockout. This is a good safety measure for when you have public facing servers and is even important for internally exposed servers on your corporate network. We …

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The Need for IT Operations Agility: Lessons of WannaCry

There is little doubt that the news of ransomware like the recent outbreak of the WannaCry (aka Wcry, WannaCrypt) taking hold in critical infrastructure hits home with every IT professional. The list of affected clients of any ransomware or critical vulnerability is made even more frightening when it means the shutting down of services which could literally affect people’s health …

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Thinking Like the Bad Actors and Prioritizing Security

Assume you’ve been breached. Period. The reason that I start there is because I’ve learned from practice, that we have to work on the assumption that we have had our systems violated in one way or another. The reason that this is important is that we have to start with a mindset to both discover the violation, and prevent it …

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SDN challenges – “You can keep your networking gear. Period.”

You my recall a statement regarding some big U.S. legislation that led us to the forever quoted phrase: “You can keep your insurance. Period.” that has caused quite a ruckus in the insurance industry both for providers and customers because it was found to be untrue. So just imagine that a similar situation that is about to come up in …