WASHINGTON (Reuters) -The U.S. Department of Energy got ransom requests from the Russia-linked extortion group Cl0p at both its nuclear waste facility and scientific education facility that were recently hit in a global hacking campaign, a spokesperson said on Friday. The DOE contractor Oak Ridge Associated Universities and the Waste Isolation Pilot Plant, the New Mexico-based facility for disposal of defense-related radioactive nuclear waste, were hit in the attack, which was first reported on Thursday. Data was "compromised" at the two DOE entities after hackers breached their systems through a security flaw in the file transfer tool MOVEit Transfer.