New joint statement from FBI, CISA, ODNI, and NSA:

SolarWinds hack was the work of an advanced hacker group "likely Russian in origin" & is believed to be "an intelligence gathering effort."

"Fewer than 10" USG agencies compromised after SW infection, based on current info. pic.twitter.com/T9egICLkJE

— Eric Geller (@ericgeller) January 5, 2021