Kaspersky argued the ban in the NDAA amounted to an unconstitutional bill of attainder. government for a ban inserted into the National Defense Authorization Act passed last year. Kaspersky Lab sued the Department of Homeland Security for a September 2017 Binding Operational Directive banning the use of certain Kaspersky Lab products and software by federal agencies, the U.S. government claimed that the company's products constitute a threat to national security and could be used to facilitate espionage by the Russian government, while news reports have detailed the role the company's software played in the theft of classified data from the computer of an NSA contractor in 2014 or 2015. But that does not make them unconstitutional,' Kollar-Kotelly wrote. 'These defensive actions may very well have adverse consequences for some third-parties. networks and computer systems are 'extremely important strategic national assets' whose security depends on the government’s ability to act swiftly against potential threats, even if such actions cause adverse affects for third-party providers like Kaspersky Labs. District Court Judge Colleen Kollar-Kotelly wrote in her May 30 opinion that U.S. government over a federal ban on the use of their products.

court has dismissed two lawsuits filed by cybersecurity firm Kaspersky Lab against the U.S.

Kaspersky lab products