Suspected patriotic hacktivists are defacing websites. A cryptomining worm is stealing AWS credentials. Cruise company Carnival suffered a ransomware attack that involved data theft. US measures against Huawei are expected to make things much more difficult for the Chinese company. Ben Yelin on new tools tracking cyber data on US borders. Our guest is Jesse Rothstein from ExtraHop on what happens to enterprise security when the network goes dark. And a look at the organizational structure of North Korea’s hacking units.