NSA warns that the GRU’s Sandworm outfit has been actively exploiting a known vulnerability in Exim. Someone is attacking industrial targets in Japan and Europe using steganography and other evasive tactics. NTT Communications is breached, and Michigan State University sustains a ransomware attack. Ben Yelin unpacks the President’s executive order aimed at social media companies. Our guest is Vik Arora of the Hospital for Special Surgery on protecting health care organizations during COVID-19.