How an antivirus program could accidentally smuggle government secrets into Russia

For weeks, one of the world’s top security firms has been dogged by reports of government espionage. According to a string of reports, Kaspersky Lab’s antivirus software was used as part of a sophisticated effort by Russian intelligence to steal classified NSA documents. The software had flagged classified materials brought home by a luckless NSA contractor, and used the antivirus system to transmit the materials back to Kaspersky’s headquarters in Moscow. When Israeli agents b