The FBI’s email systems were hacked, and spam emails mimicking FBI warnings were sent out. The emails were warning in regards to a “sophisticated chain assault” perpetrated by an advanced threat artist called Vinny Troia.
Thousands of these communications were distributed in two waves, according to SpamHaus, a spam-tracking organization, but unfortunately, the researchers feel that this might be only a minor component of the malicious campaign’s overall strategy.
Researchers at the Spamhaus Project were able to observe two waves of this campaign taking place, one at 5 AM (UTC) and a second one, just two hours later.
This email address is used by the FBI’s Law Enforcement Enterprise Portal (LEEP), and carried the subject “Urgent: Threat actor in systems.”
The false emails appear to have reached at least 100,000 inboxes. However, the figure is a cautious estimate, since the researchers feel “the campaign may have been much, much greater.”
We have been made aware of “scary” emails sent in the last few hours that purport to come from the FBI/DHS. While the emails are indeed being sent from infrastructure that is owned by