washington wisconsin ohio california 10 state say friday among 21 state russian government hackers target effort sway 2016 presidential election favor donald trump though vote change department homeland security confirm notify state activity decline identify russia deny election meddle president trump deny collusion russia alabama alaska colorado connecticut florida minnesota texas washington state also confirm target russian hackers say successful arizona illinois confirm last year target associate press confirm iowa maryland north dakota pennsylvania delaware oregon oklahoma virginia also target bring total state identify 21. state immediately return message seek comment late friday remain evidence russians alter one vote change one registration say judd choate president u.s. national association state election directors wisconsin elections commission administrator michael haas say homeland security tell state russian government cyber actors target state voter registration systems homeland security officials say 21 state preliminary activity observe hackers small number network compromise state complain june idea russians attempt infiltrate systems california secretary state alex padilla say friday hackers scan state election systems breach system completely unacceptable take dhs year inform office russian scan systems despite repeat request information say homeland security spokesman scott mcconnell say statement government believe officials keep inform cybersecurity risk election infrastructure also want protect integrity investigations confidentiality system owners u.s. intelligence agencies conclude kremlin orchestrate operation include hack online propaganda intend help trump win reuters report august senator mark warner virginia democrat co-chairs senate cybersecurity caucus say friday statement unacceptable take almost year election notify state elections systems target say officials must inform state attempt enter election systems homeowner would expect alarm company inform break-in attempt even burglar actually get inside house colorado secretary state wayne williams say dhs tell systems scan weeks 2016 election scan similar burglars jiggle doors house move realize doors lock state say washington state top election official kim wyman say state learn 2016 attempt intrusions russian internet address immediately alert federal bureau investigation list target include battleground state like wisconsin ohio iowa key state like michigan say friday tell target also include state seriously contest like california texas wisconsin one handful battleground midwestern state help trump win presidency democratic rival hillary clinton trump carry state 22,748 vote 0.8 percentage point many state seriously contention 2016 race several congressional committees investigate special counsel robert mueller lead separate probe russia matter include whether moscow collude trump campaign wisconsin ohio california among state target russian hackers 2016 race