Wray calls it a warning for all americans, as cyberattacks are on the rise across the country. recent high-profile attacks involved ransomware, where hackers gained control of a computer or entire system, and then hold it for ransom. these kinds of attacks are getting bigger. last month, we saw one of the nation's largest fuel pipelines shut down, for days, in a crippling cyberattack. and just this week, a ransomware attack halted work at the world's largest meat processor. a similar attack disrupted ferry service to martha's vineyard and nantucket. and we learned, new york's subway system was...