Booz Allen isn't commenting. "As part of @BoozAllen security policy, we generally do not comment on specific threats or actions taken against our systems," .

In addition to the e-mail addresses, which Anonymous suggests expose members of the intelligence community, the group also posted other data it said could potentially offer access to other government agencies and contractors.

"We infiltrated a server on [Booz Allen's] network that basically had no security measures in place," Anonymous said in a statement, posted to the torrent site where it uploaded the data.

The group warned on Sunday that it planned new activity. Via the : "ATTN Intelligence community: Your contractors have failed you. Tomorrow is the beginning."

It also said there would be two releases of information on Monday.