The Trump administration has removed Kaspersky Lab products from lists of approved vendors used by US government agencies to buy IT equipment, marking "the most concrete action" it has taken against the Moscow-based firm amid growing security concerns, Reuters reports.

Intelligence officials and lawmakers have become increasingly concerned that Kaspersky Lab may be working too closely with Russian intelligence agencies. As a result, its products have been taken off the US General Services Administration (GSA) list of vendors for contracts including IT services and digital photography equipment.

US government agencies may use Kaspersky products bought outside the GSA contract process, however, the report notes.

Kaspersky said it has not received any updates from GSA or other US government agencies regarding its vendor status. It denies ties to cyberespionage efforts said it is "caught in the middle of a geopolitical fight."

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