A Chinese software developer trawled Alibaba’s popular Taobao shopping website for eight months, clandestinely collecting more than 1.1 billion pieces of user information.

Ryuk is the most prolific ransomware gang in the world, accounting for one-third of the 203 million U.S. ransomware attacks in 2020, according to cybersecurity firm SonicWall.

DarkSide has told associates it has lost access to the infrastructure it uses to run its operation and would be shutting down, citing pressure from law enforcement and from the U.S., FireEye said.

Suspected Russian hack involving SolarWinds software that compromised parts of the U.S. government was executed on a scale that has surprised even veteran security experts.