The attackers “apparently deem[ed] the powerful SolarWinds backdoor too valuable to lose in case of discovery,” Microsoft said.

A nesting doll of hacking tools has emerged in the SolarWinds campaign.

Why waste a prized hacking tool when email will do just fine?

Malicious browser extensions aren't new. But this one's different.

"The bigger picture here is authentication, and it’s a problem that’s unfortunately typical for medical devices," said CyberMDX's Elad Luz.

The market is driven by cash-flush organizations that don’t want a malicious campaign traced back to them.