오바마•바이든•빌 게이츠 등 트위터 계정 동시다발 해킹<br /><br />High-profile politicians and businesses have seen their Twitter accounts hacked by scammers offering fake bitcoin deals.<br />The accounts of Apple, Bill Gates and Barack Obama were among those hacked.<br />Twitter has had to disable 'blue-tick' accounts to try to stop the scammers.<br />Our Lee Kyung-eun reports what we know so far.<br />The worst day in Twitter's history.<br />That's how Twitter's CEO described the hacking attack.<br />About 4 in the afternoon on Wednesday, some of the biggest Twitter accounts in America were hacked.<br />Among them, U.S. Democratic presidential nominee Joe Biden and former President Barack Obama, as well as Bill Gates, Elon Musk,...and the official accounts of Apple and Uber.<br />The scam accounted asked followers to send Bitcoin, saying they would send back double the money.<br />Soon after, the list of victims went on.<br />Twitter quickly removed many of the tweets, and eventually disabled verified users' accounts from posting.<br />But so far, it is not clear who the scammers are and how they hacked the accounts, despite strong passwords and an authentication system.<br />Twitter says it is investigating the problem.<br />The original Tweets have been deleted, but similar Tweets have been appearing.<br />Following the security incident, the company's shares fell more than 3 percent in extended trading.<br />Lee Kyung-eun, Arirang News.<br />