"There was minimal security leadership at the top," said the cybersecurity expert, who left SolarWinds after giving his warning.
The Republican senator described the SolarWinds cyberattack—which Secretary of State Mike Pompeo and top GOP lawmakers blame Russia for—as "extraordinary." The president has downplayed it.
President Donald Trump has downplayed the threat from the SolarWinds cyberattack and attempted to cast doubt on Russia's involvement.
"CISA expects that removing this threat actor from compromised environments will be highly complex and challenging for organizations," the agency under the Department of Homeland Security warned.
SolarWinds says on its website its products are currently used by more than 300,000 customers, spanning military, government, business giants and educational institutions.
A viral Space Shuttle launch video reveals fascinating commentary by NASA aerospace engineers from shortly before the program's retirement in 2011.
The annual event usually begins around October 2, picking up steam towards the middle of the month and petering out as we head into November.
The space agency is hoping to put the first woman on the lunar surface by 2024.
The moon is considered "full" when it is positioned exactly opposite to the sun, or 180 degrees away, with Earth aligned directly between the two bodies.
The space agency was making preparations for the launch of its next-generation Space Launch System.
See our own Milky Way galaxy before floating to a place where baby stars are formed.
The next class of astronauts could head to the ISS, fly on NASA's Orion or embark on a commercial crew spacecraft.
NASA's test flight launched early Friday morning and successfully splashed back down in the Pacific hours later.