The leaked NSA exploit EternalBlue is being used by hackers to paralyze American cities like Allentown, San Antonio, and most recently Baltimore (New York Times)

New York Times:
The leaked NSA exploit EternalBlue is being used by hackers to paralyze American cities like Allentown, San Antonio, and most recently Baltimore  —  For nearly three weeks, Baltimore has struggled with a cyberattack by digital extortionists that has frozen thousands of computers …