washington u.s. congressional committee launch probe federal reserve bank new york handle cyber theft 81 million one account hold central bank bangladesh accord letter see reuters letter address new york feed president william dudley send tuesday house representatives science committee request document communications connect february heist bank oversight global financial network swift status review relate feed information technology conduct since attack occur letter follow similar probe launch last month tom carper senate homeland security committee top democrat representative carolyn maloney new york democrat late inquiry come policymakers regulators financial institutions around world increase scrutiny heist relate attack bank vietnam ecuador hackers send fraudulent transaction message across swift light recent cyber attack global financial systems committee believe imperative receive information ny feed response oversight swift status investigation remedial step take address vulnerabilities state letter sign house science committee chairman lamar smith texas republican new york feed spokeswoman say intend respond new request information bank far deny responsibility bangladesh bank intrusion letter say deeply trouble cyber security experts believe attack uncover bank review security systems bangladesh bank systems appear weak link february attack swift society worldwide interbank financial telecommunication last week urge bank bolster security say aware multiple attack bank around world rely swift issue payment instructions committee request response new york feed june 14. congress probe ny feed 's handle bangladesh bank heist letter