The Federal Bureau of Investigation is looking into a "suspicious" breach of networks containing information about ongoing investigations.

The U.S. military operation in Iran is testing a depleted Justice Department and FBI. Firings of experienced agents and prosecutors have diminished expertise to counter threats.

The FBI says it contained a targeted cyberattack on a sensitive investigative network used to manage surveillance warrants ...

The FBI is investigating suspicious cyber activity in a system used to process surveillance and wiretap warrants, raising concerns about security risks to sensitive data.

The FBI identified a suspected cybersecurity breach on a sensitive network used to manage wiretaps and intelligence ...

The FBI said it has addressed ‘suspicious activities’ on its networks.

Just days before the United States launched a major military operation in Iran, FBI Director Kash Patel fired a dozen agents and staff members from a counterintelligence unit tasked with monitoring ...

FBI Director Kash Patel removed counterintelligence officials days before U.S. strikes on Iran, prompting concerns from ...

The FBI has fired additional agents who worked on an investigation into President Donald Trump, this time terminating ...

Russian national Nomma Zarubina pleads guilty to lying to the FBI and naturalization fraud involving ties to Russian FSB.

The FBI is investigating suspicious cyber activity detected on a sensitive internal network used to manage wiretaps and intelligence surveillance warrants. Officials are assessing the scope of the ...