▁Int elligence ▁Agency ▁( DI A ), ▁revealed ▁that ▁the ▁United ▁States ▁government ▁had ▁hack ed ▁into ▁Chinese ▁mobile ▁phone ▁companies ▁to ▁collect ▁text ▁messages ▁and ▁had ▁sp ied ▁on ▁T sing h ua ▁University , ▁one ▁of ▁China ' s ▁biggest ▁research ▁institutions , ▁as ▁well ▁as ▁home ▁to ▁one ▁of ▁China ' s ▁six ▁major ▁back bone ▁networks , ▁the ▁China ▁Education ▁and ▁Research ▁Network ▁( C ER NET ), ▁from ▁where ▁internet ▁data ▁from ▁millions ▁of ▁Chinese ▁citizens ▁could ▁be ▁m ined . ▁He ▁said ▁U . S . ▁sp y ▁ag encies ▁have ▁been ▁watching ▁China ▁and ▁Hong ▁Kong ▁for ▁years . ▁ ▁According ▁to ▁class ified ▁documents ▁provided ▁by ▁Edward ▁Snow den , ▁the ▁National ▁Security ▁Agency ▁( NS A ) ▁has ▁also ▁in fil tr ated ▁the ▁servers ▁in ▁the ▁headquarters ▁of ▁H ua wei , ▁China ' s ▁largest ▁tele communic ations ▁company ▁and ▁the ▁largest ▁tele communic ations ▁equipment ▁mak er ▁in ▁the ▁world . ▁The ▁plan ▁is ▁to ▁explo it ▁H ua wei ' s ▁technology ▁so ▁that ▁when ▁the ▁company ▁sold ▁equipment ▁to ▁other ▁countries — including ▁both ▁al lies ▁and ▁nations ▁that ▁avoid ▁bu ying ▁American ▁products — the ▁NS A ▁could ▁ro am ▁through ▁their ▁computer ▁and ▁tele phone ▁networks ▁to ▁conduct ▁surve ill ance ▁and , ▁if ▁ordered ▁by ▁the ▁president , ▁off ensive ▁cy ber oper ations . ▁ ▁Russia ▁In ▁June ▁ 2 0 1 9 , ▁Russia ▁has ▁conced ed ▁that ▁it ▁is ▁" possible " ▁its