You may also be looking for Xenia Onatopp (Kate Magowan)
Xenia Zaragevna Onatopp was a Georgian lust murderer and ex-KGB officer who was a member of the Janus Syndicate during her last days. She worked for Alec Trevelyan and helped him in his plot to rob and destroy London. During her mission, she slept with James Bond and tried to kill him, but failed. She later tried to kill him again in the Cuban jungle, but she was killed instead.