The Democratic Congressional Campaign Committee (DCCC) reacted to a historic leak of Democratic lawmakers' personal information Friday night by playing up its status as a 'target' of hackers.

"As previously noted, the DCCC has been the target of a cybersecurity incident, and we are cooperating with federal law enforcement in their ongoing investigation," DCCC Press Secretary Meredith Kelly said in a statement. "We are aware of reports that documents claimed to be from our network have been released and are investigating their authenticity."

Guccifer 2.0, the hacker who claimed responsibility for hacking the Democratic National Committee's server in June, published a slew of confidential Democratic Congressional Campaign Committee files late Friday, which he alleges belong to members of the Democratic Party.

One of the lists contains the personal phone numbers and email addresses of every House Democrat, including the personal contact information for their top staff members. Each lawmaker's political action committee and details about those groups are also in the documents.

The 2.0 character claimed to be the next generation of Guccifer, who is believed to have been behind the breach of Hillary Clinton's personal email server. In the new post, which the Washington Examiner is not linking to, Guccifer 2.0 lists spreadsheets with publication passwords, 2016 cycle passwords and coordinated shared passwords.