First, cities are massive and they never throw out any information. That means that there is data being stored on outdated technology from 20 years ago that might not be secure; obviously, 20 years ago, no one was concerned about being hacked.
This also means that there is a mix of old and new technology sprawled across the city, including legacy applications and programs like PowerBuilder and intelligent smart city devices such as LED street lights that create security gaps and blind spots.
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