AdvertisementHow A Cybersecurity Firm Uncovered The Massive Computer HackDecember 21, 2020Greg MyreLaurel WamsleyfacebookEmailKevin Mandia, CEO of the cybersecurity firm FireEye, testifies before the Senate Intelligence Committee in 2017. Mandia's company was the first to sound the alarm about the massive hack of government agencies and private companies on Dec. 8. (AP)
