(Reuters) - The FBI is investigating a mysterious postcard sent to the home of cybersecurity firm FireEye's chief executive days after it found initial evidence of a suspected Russian hacking ...

(Reuters) - FireEye, one of the largest cybersecurity companies in the United States, said on Tuesday that it had been hacked, likely by a government, and that an arsenal of hacking tools used to test ...

The state-backed Russian cyber spies behind the SolarWinds hacking campaign launched a targeted spear-phishing assault on U.S. and foreign government agencies and think tanks this week using an email ...