Senators Push for Changes in Wake of SolarWinds Attack Compliance Twitter Director of National Intelligence Avril Haines testifies before the Senate Intelligence Committee. The SolarWinds supply chain attack that led to follow-on attacks on nine government agencies and 100 companies points to the need for a federal law requiring prompt breach notification, several senators said at a Wednesday hearing. At the hearing, members of the Senate Select Committee on Intelligence heard from the leaders of the FBI, the CIA, the National Security Agency and the Office of the Director of National Intelligence about what these agencies are doing to address the fallout from the SolarWinds attack.