welcome back. microsoft corporation says hackers previously linked to the russian government have exploited a recently discovered security flaw within the windows system. while there s no known connection between this flaw and attempts to hack into the u.s. voter registration system earlier this year, microsoft will be releasing a corrective patch on november 8th election day. joining me now, one of the people who helped discover russian s involvement, president and chief security office of cloud strike services, shawn henry. let s start with the concern here that this could even happen. that the flaw is a serious flaw. yes, it certainly is serious, tam ron, especially in the hands of the group we call fancy bear that we know has exploited different political organizations, nato, even the white house. and now they re using some very sophisticated techniques to do