An internet security firm in Moscow. While much about Russia’s cyberwarfare program is shrouded in secrecy, details of the government’s effort to recruit programmers in the months before the American presidential election shed light on the Kremlin’s plan to create teams of computer hackers.Credit...Kirill Kudryavtsev/Agence France-Presse — Getty Images MOSCOW — Aleksandr B. Vyarya thought his job