The U.S. Department of Energy has been hit by recent successful cyber attacks and needs to do more to protect its computer systems, the department’s internal watchdog said in a report Monday.
The report by the department’s inspector general did not disclose who launched the cyber attacks or the consequences at four affected locations.
The Department of Energy (DOE) has dozens of agencies, regional offices and laboratories. Among other tasks, it manages the U.S. nuclear weapon stockpile through its National Nuclear Security Administration.
The audit found a growing number of weaknesses in the department’s computer systems.
The report said investigators found 60 percent more weaknesses in the DOE’s computer systems than during a similar audit in 2010, making this the second year in a row that the number of problems has jumped. The DOE fixed only 11 of 35 weaknesses identified in the prior audit, the report said.
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