Vitalik Buterin reveals X account hack was caused by SIM-swap attack
Ethereum co-founder Vitalik Buterin has confirmed that the recent hack of his X (Twitter) account was the result of a SIM-swap attack.
Speaking on the decentralized social media network Farcaster on Sept. 12, Buterin said that he has finally recovered his T-Mobile account after the hacker managed to gain control of it via a SIM swap attack.
The Ethereum co-founder added some lessons and learnings from his experience with X.
“A phone number is sufficient to password reset a Twitter account even if not used as 2FA,” he said be for adding that users can “completely remove phone from Twitter.”
On Sept. 9, Buterin’s X account was taken over by scammers who posted a fake NFT giveaway prompting users to click a malicious link which resulted in victims collectively losing over $691,000.
Related: How easy is a SIM swap attack? Here’s how to prevent one
A SIM-swap or simjacking attack is a technique used by hackers to gain control of a victim’s mobile phone number. With control of the number, scammers can use two-factor authentication (2FA) to access social media, bank, and crypto accounts.
It is not the first time T-Mobile has been involved in this type of attack vector. In 2020, the telecoms giant was sued for allegedly enabling the theft of $8.7 million worth of crypto in a series of SIM-swap attacks.
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