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A notorious Romanian hacker claimed to Fox News that he easily and repeatedly breached Hillary Clinton's email server when she was secretary of state in 2013.

Marcel Lehel Lazar, who goes by the moniker "Guccifer," spoke exclusively to Chief Intelligence Correspondent Catherine Herridge at the Virginia jail where he's being held.

"For me, it was easy ... easy for me, for everybody," he said about getting into Clinton's server.

She reported on FoxNews.com:

The 44-year-old Lazar said he first compromised Clinton confidant Sidney Blumenthal's AOL account, in March 2013, and used that as a stepping stone to the Clinton server. He said he accessed Clinton’s server “like twice,” though he described the contents as “not interest[ing]” to him at the time.

“I was not paying attention. For me, it was not like the Hillary Clinton server, it was like an email server she and others were using with political voting stuff," Guccifer said.

While Lazar's claims couldn't be independently verified, cybersecurity experts say the process he described is plausible.

He faces federal charges alleging he hacked political elites, including Gen. Colin Powell, a member of the Bush family, and Blumenthal.

Watch the report above.

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