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Twitter accounts of Obama, Biden, Musk and others compromised

Several prominent Twitter accounts, including those of former Vice President Joe BidenJoe BidenExpanding child tax credit could lift 4 million children out of poverty: analysis Maria Bartiromo defends reporting: 'Keep trashing me, I'll keep telling the truth' The Memo: The center strikes back MORE, former President Obama, Tesla CEO Elon MuskElon Reeve MuskNASA's sudden interest in Venus is all about climate change Press: Even Jeff Bezos should pay income taxes Democrats face new pressure to raise taxes MORE and Microsoft co-founder Bill Gates, were compromised Wednesday in what appears to be a bitcoin scam.

The attack is likely the largest ever on Twitter's security system and may have already cost users ten of thousands of dollars.

The accounts – which included other tech CEO's including Amazon's Jeff BezosJeffrey (Jeff) Preston BezosThe tax code's Achilles' heel is surprisingly popular — and that's a problem for taxing the rich Overnight Energy: Lake Mead's decline points to scary water future in West | White House leads opposition to raising gas tax | Biden taps ex-New Mexico lawmaker for USDA post On The Money: Centrists gain leverage over progressives in Senate infrastructure battle | White House rules out gas tax hike MORE, celebrities such as Kanye WestKanye Omari WestCaitlyn Jenner: My family not 'involved whatsoever' in gubernatorial bid Chris Rock, 'SNL' cast reflect on 'messed up' year in politics, pop culture during season finale Elon Musk asks Twitter for skit ideas ahead of 'Saturday Night Live' appearance MORE, and other political figures like former New York City Mayor Michael BloombergMichael BloombergBiden's domestic and global challenges on COVID vaccinations Press: Even Jeff Bezos should pay income taxes What the Democrats should be doing to reach true bipartisanship MORE – posted similar messages offering to double bitcoin payments sent to an address during a set period of time.

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The posts all included the address of the same bitcoin wallet, which has seen as much as $112,000 pour into it over the last few hours. It is unclear if this money came from unsuspecting users or the scammers themselves.

Other major accounts that were hacked include companies such as Uber, Square's Cash App and Apple.

All of the tweets were deleted soon after being posted, but, given the accounts' large followings, they have been viewed widely. While individual accounts – especially ones that do not use security measures such as two-factor authentication – are often hacked, the scope of this effort suggests a deeper security failure.

Sen. Josh HawleyJoshua (Josh) David HawleyGOP divided over bills targeting tech giants Pence heckled with calls of 'traitor' at conservative conference Five takeaways on the Supreme Court's Obamacare decision MORE (R-Mo.), a fervent critic of big tech companies, sent a letter to Twitter CEO Jack Dorsey raising concerns about the impacts of the platform being compromised.

“I am concerned that this event may represent not merely a coordinated set of separate hacking incidents but rather a successful attack on the security of Twitter itself," he wrote. "As you know, millions of your users rely on your service not just to tweet publicly but also to communicate privately through your direct message service. A successful attack on your system’s servers represents a threat to all of your users’ privacy and data security.”

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Twitter support posted that "we are aware of a security incident impacting accounts on Twitter."

"We are investigating and taking steps to fix it," it continued. "We will update everyone shortly."

Verified accounts were briefly blocked from posting on Twitter later in the evening.

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A spokesperson for Biden's campaign told The Hill that Twitter locked down the presumptive Democratic presidential nominee's account and removed the tweet "immediately following the breach."

"We remain in touch with Twitter on the matter," they added.

Updated: 6:43 p.m.