Gates, Musk and Other Top Tech Figures Get Twitter Accounts Hacked

It was about four within the afternoon on Wednesday on the East Coast when chaos struck on-line. Dozens of the largest names in America — together with Joseph R. Biden Jr., Barack Obama, Kanye West, Bill Gates and Elon Musk — posted related messages on Twitter: Send Bitcoin and the well-known folks would ship again double your cash.

It was all a rip-off, in fact, the results of some of the brazen on-line assaults in reminiscence.

A primary wave of assaults hit the Twitter accounts of outstanding cryptocurrency leaders and firms. But quickly after, the listing of victims broadened to incorporate a Who’s Who of Americans in politics, leisure and tech, in a significant present of pressure by the hackers.

Twitter rapidly eliminated lots of the messages, however in some instances related tweets have been despatched once more from the identical accounts, suggesting that Twitter was powerless to take again management of the accounts.

The firm finally disabled broad swaths of its service, together with the flexibility of verified customers to tweet, because it scrambled to forestall the rip-off from spreading additional. The firm despatched a tweet saying that it was investigating the issue and on the lookout for a repair. “You may be unable to Tweet or reset your password while we review and address this incident,” the corporate stated in a second tweet.

The hackers didn’t use their entry to take purpose at any essential establishments or infrastructure — as a substitute simply asking for Bitcoin. But the assault was regarding to safety specialists as a result of it advised that the hackers might have simply prompted far more havoc.

It was the character of the assault — “effective, but also amateurish” within the phrases of 1 senior American intelligence official — that led American intelligence companies to an preliminary evaluation that this was almost certainly the work of a person hacker, not a state. Had it been Russia, China, North Korea or Iran, stated the official, who wouldn’t communicate on the document as a result of they weren’t licensed to debate an intelligence investigation, the hassle would have most likely centered on making an attempt to set off inventory market havoc, or maybe the issuance of political pronouncements within the title of Mr. Biden or different targets.

Officials additionally famous that the breach didn’t have an effect on the account of some of the watched and highly effective customers of Twitter: President Trump. Mr. Trump’s account is underneath a particular form of lock-and-key after previous incidents, the official famous.

Security specialists stated that the wide-ranging assaults hinted that the issue was attributable to a safety flaw in Twitter’s service, not by lax safety measures utilized by the individuals who have been focused. Alex Stamos, director of the Stanford Internet Observatory and the previous chief safety officer at Facebook, stated one of many main theories amongst researchers was that the hacker, or hackers, had obtained the encryption keys to the system, which enabled them to primarily imitate or steal the “tokens” that grant entry to particular person accounts.

There have been a variety of different theories, he stated, however all advised that the attackers obtained inside Twitter’s system, somewhat than stealing the passwords of particular person customers. One American official known as “scary possibility” in a world the place nationwide leaders, generally imitating Mr. Trump’s strategies, have adopted Twitter as a main supply of unfiltered communications.

“It could have been much worse. We got lucky that this is what they decided to do with their power,” Mr. Stamos stated.

The hacker or hackers made some rookie errors. Mr. Stamos stated that as a result of the attackers had despatched equivalent messages from the compromised accounts they have been straightforward to detect and delete. The resolution to ask for cash by way of bitcoin, he added, confirmed that the attackers have been almost certainly unable or unwilling to launder cash or use their entry for a extra subtle rip-off.

The messages have been a model of a long-running rip-off during which hackers pose as public figures on Twitter, and promise to match and even triple any funds which might be despatched to their Bitcoin wallets. But the assaults Wednesday have been the primary time that the true accounts of public figures have been utilized in such a rip-off.

Bitcoin is a well-liked car for any such rip-off as a result of as soon as a sufferer sends cash, the design of Bitcoin, with no establishment in cost, makes it primarily unimaginable to get better the cash.

By Wednesday night, the Bitcoin wallets promoted within the tweets had acquired over 300 transactions and held Bitcoin value over $100,000, in line with web sites that monitor Bitcoin’s public ledger of transactions, which is known as the blockchain.

Twitter initially handled the attacks by taking down the offending tweets. A spokesman for the Biden campaign said that Twitter had removed the tweet promoting the scam and locked down Mr. Biden’s account.

But the hackers kept control of many of the accounts, such as those of Mr. Musk and Mr. West, and sent out new messages as soon as the old ones were taken down.

Twitter has fallen victim to breaches before. Last August, hackers compromised the account of Twitter’s chief executive, Jack Dorsey, and posted racist messages and bomb threats. Mr. Dorsey’s account was taken over after hackers transferred his phone number to a new SIM card, which stores a phone’s number. The practice, known as SIM-swapping, allowed hackers to tweet from Mr. Dorsey’s account.

In 2017, a rogue worker at the company used their access to Twitter’s systems to briefly delete President Trump’s Twitter account. The account was restored within minutes, but the incident raised questions about Twitter’s security as it serves as a megaphone for politicians and celebrities.

And in 2010, Twitter settled a complaint brought by the Federal Trade Commission, in which the regulator claimed that the company did not do enough to protect users’ personal information. The F.T.C. charged that “serious lapses” in Twitter’s security allowed hackers to take control of company systems and send out phony tweets from high-profile accounts, including Mr. Obama’s. As part of the settlement, Twitter agreed to undergo security audits for 10 years.

On Wednesday evening, Senator Josh Hawley, a Republican from Missouri, wrote a letter to Mr. Dorsey asking for information on the attack, including how many users were compromised.

Shares in the social media company fell 3 percent in after-hours trading.

Cybersecurity experts said the attack showed how vulnerable social media remains to attacks.

“This demonstrates a real risk for the elections,” Mr. Stamos said. “Twitter has become the most important platform when it comes to discussion among political elites, and it has real vulnerabilities.”

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