Officials ascribe a DDoS attack against the HHS in March 2020 to a state-level actor; docs: the DDoS attack was largest the US government had ever experienced (Bloomberg)

Bloomberg:

Officials ascribe a DDoS attack against the HHS in March 2020 to a state-level actor; docs: the DDoS attack was largest the US government had ever experienced  —  Former officials at the US Department of Health and Human Services ascribe the cyberattack to a state-level actor.