The treason charges that were brought against of a top cybersecurity expert from Kaspersky Lab and two Russian state security officers in December is reportedly linked to allegations made in 2010 by a Russian businessman Pavel Vrublevsky.

According to sources familiar with the matter and Vrublevsky, who is the founder of an online payments firm ChronoPay, the arrests of Kaspersky Lab heads of incidents investigation team Ruslan Stoyanov and Russian Federal Security Service FSB officials Sergei Mikhailov and Dmitry Dokuchayev relate to allegations of the suspects having passed on state secrets to US firm Verisign, as well as to other unnamed US companies.

The firms in turn, are believed to have shared the information with US intelligence agencies, Reuters reported.

Unspecified sources connected with the investigation claim that the arrests were made in response to Vrublevsky's accusations.

The Russian businessman also confirmed that he allegedly learnt that the arrests were made as a response to his 2010 allegations of Stoyanov and Mikhailov having passed on secrets to American firms.

The firm's iDefence team reportedly compiled cybercrime dossiers for its clients, which include private firms and government agencies, including intelligence agencies.

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