"The Lefortovo court of Moscow granted the investigation's petition to extend the measure of restraint for Sachkov in the form of detention for a period of three months," RIA Novosti reports.
As he drowns, the arrest of Sachkov was extended until February 28, 2022.
Earlier, the POC told about the conditions of detention of the founder of Group-IB Ilya Sachkov in the Lefortovo remand prison.
On September 29, the Lefortovo court in Moscow arrested for two months the founder of Group-IB, Ilya Sachkov, who is suspected of high treason.
According to the accused's lawyer, Sachkov denies his guilt.