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At a minimum, these systems should be firewalled off from public addressing, Ellis stresses. Municipal utilities and water treatment plants, constrained by limited budgets and resource shortages, often took shortcuts to enable remote access. Why Are HMIs Being Exposed?
By now, you’ve probably heard the theoretically scary story of how hackers managed to infiltrate the computer systems at a water treatment plant in Oldsmar, Florida and remotely control the chemical levels — but it turns out that description gives the hackers far, far too much credit. The reality?
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