Hackers just broke into America’s tap water

Your credit card is better protected from hackers than your drinking water. | Jonathan Wiggs/The Boston Globe/Getty Images In the teensy Midwestern town of Braham, homemade pie capital of Minnesota, something unusual in the municipality’s computer systems knocked the city’s entire water supply offline last week. Within a few hours, dozens of other Minnesota cities discovered that their water and wastewater utilities, too, had been compromised, most likely as part of a massive Iranian…