At least eight U.S. telecommunications carriers were compromised during a wide-reaching Chinese espionage campaign, Anne Neuberger, deputy adviser of cybersecurity and emerging tech, told reporters Wednesday. Why it matters: This is the first time the U.S. has confirmed the number of carriers reeling from the Salt Typhoon campaign — more than three months after news reports started uncovering details about the operation. The big picture: Salt Typhoon is now believed to have compromised telecom...