A group by the name of OurMine the same group that claimed credit for compromising Facebook chief Mark Zuckerberg's social media accounts on Monday took credit for hacking Williams' account in a tweet on Wednesday, which was deleted minutes later, technology website Mashable reported on Thursday.
The company released a statement later saying it does not comment on individual accounts.
"A number of other online services have seen millions of passwords stolen in the past several weeks. We recommend people use a unique, strong password for Twitter," the company was quoted as saying.
This hack has added another name in the list of high-profile people whose accounts have been compromised recently. Singers Drake and Lana Del Rey and professional American football league NFL have all been hit in recent days.
In early 2015, Twitter's chief financial officer and head of Twitter Ventures, Anthony Noto's account was hacked that resulted in many spam messages.
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