Holy moly!’: Inside Texas’ fight against a ransomware hack. Gibberi sh ransom demands spat out of printers and displayed on some computer screens. Government files were encrypted, with titles like “Budget Document” replaced by nonsensical combinations of letters and symbols. One of the first areas of concern was a smal l North Texas city where the attack locked the “human-machine interface” that workers used to control the water supply, forcing them to operate the system manually. Water purity was not endangered. “That was probably our biggest number one. That’s what’s c onsidered critical infrastructure–when you talk about water.” • What Will It Take to Defend Drinking Water from Cyber Attacks?