Russian hackers attacked email accounts linked to the Republican National Committee (RNC), according to a report late Sunday by ABC News.

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Neither federal authorities nor RNC officials reportedly were concerned, however, because the email systems in question were outdated.

RNC spokesman Sean Spicer told the network that one of the emails belonged to an employee who departed from the RNC several years ago. A cybersecurity firm hired by the RNC to investigate the issue found that the employee’s email account was still on his personal computer, but the investigation found that the device had not been linked to an RNC server in several years.

The news that Russians attempted to hack the RNC comes several months after the Obama administration formally accused Russia of trying to meddle in the United States election. Following a hack of Democratic National Committee emails, the administration made the announcement in October.

“The DNC [hack] was the crown jewels. The RNC not as much,” an official briefed on the information, who is affiliated with Republicans, told ABC.

According to another official who spoke to ABC, federal authorities were not as worried about the hack on the RNC because “the extent of the compromises were completely different.”

Reince Priebus, the chairman of the RNC and the incoming White House chief of staff for President-elect Donald Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE, insisted Sunday on ABC’s “This Week” that the organization was not hacked.

“I know of no instance that you’re describing involving the RNC or the RNC’s data,” he told host George Stephanopoulos.

“We know where our data is stored. We do,” he added.