Astra Linux is a Russian Linux-based computer operating system (OS) that is being widely deployed in the Russian Federation in order to replace Microsoft Windows. Initially it was created and developed to meet the needs of the Russian army, other armed forces and intelligence agencies. It provides data protection up to the level of "top secret" in Russian classified information grade by featuring mandatory access control. It has been officially certified by Russian Defense Ministry, Federal Service for Technical and Export Control and Federal Security Service.

RPA RusBITech JSC is a Russian technology company specializing in production of high technology solutions for Russian state enforcement structures, mainly for the Russian Army. The most known product is the computer operating system called Astra Linux which is nowadays used almost totally throughout Russian military forces. The main Russian Army headquarters, The National Defense Management Center's, information systems are based on Astra Linux. The Director General of RusBITech is Alexei Bocharov.