U.S. banks scrutinize SWIFT security after hacks -reports

(Reuters) - Major U.S. banks are scrutinizing security of the SWIFT messaging network following cyber attacks in Bangladesh and Vietnam involving fraudulent transfer requests, according to media reports on Tuesday. JPMorgan Chase & Co has limited SWIFT access to some employees amid questions about the breaches at two Asian banks, The Wall Street Journal reported, citing people familiar with the matter. The actions are not tied to a specific concern about JPMorgan's vulnerability to SWIFT, bu