By FRANK BAJAK (AP Technology Writer) The Department of Energy and several other federal agencies were compromised in a Russian cyber-extortion gang’s global hack of a file-transfer program popular with corporations and governments, but the impact was not expected to be great, Homeland Security officials said Thursday. Jen Easterly, director of the Cybersecurity and Infrastructure Security Agency, told reporters that unlike the meticulous, s tealthy SolarWinds hacking campaign attributed to state-backed Russian intelligence agents that was months in the making, this campaign was short, opportunistic and caught quickly. A senior CISA official said neither the U.S.