Hackers compromise FBI email system, send thousands of messages

Hackers compromised a Federal Bureau of Investigation (FBI) email system on Saturday and sent tens of thousands of messages warning of a possible cyberattack, according to the agency and security specialists.

Fake emails appeared to come from a legitimate FBI email address ending in @ic.fbi.gov, the FBI said in a statement.

Although the hardware impacted by the incident "was taken offline quickly upon discovery of the...