Ilya Sachkov (Russian: Илья Сачков) is a Russian cybersecurity expert and founder and CEO of Group-IB, a cybersecurity company specialising in the detection and prevention of cyberattacks. He received an award from Russian President Vladimir Putin for his work in 2019.[1][2] In September 2021, he was detained by the Russian government's Federal Security Service on treason charges.[3][4][5][6]
According to Bloomberg News, he is alleged to have provided the U.S. government with information about the Russian government's "Fancy Bear" operation that sought to influence the 2016 United States presidential election.[2]