House Homeland Security, other panels to investigate SolarWinds breach; CISA updates alert

House Homeland Security Chairman Bennie Thompson (D-MS) and other Democratic committee leaders have announced an investigation into the SolarWinds cyber attack and want a classified briefing on Friday, according to a letter to top security officials.

“Our Committees are seeking information related to the apparent, widespread compromise of multiple federal government, critical infrastructure, and private sector information technology networks,” the Democratic committee leaders wrote in a letter to Homeland Security Acting Secretary Chad Wolf, FBI Director Christopher Wray and...