Apple iCloud account attack results in man losing $650,000 from his cryptocurrency wallet


Cryptocurrency wallet maker MetaMask has warned its 21 million monthly users to be wary of Apple iCloud backing up their app’s data by default, after attackers successfully stole $650,000 of funds and NFTs.

MetaMask user Domenic Iacovone revealed in a series of posts on Twitter that he had fallen victim to a social engineering attack that gave scammers access to his iCloud account.

The problems started on April 15, according to Iacovone, when he received multiple messages asking him to reset his Apple ID password, followed by a phone call from “Apple Inc.”

The scammer on the phone, who had spoofed caller ID to pretend to be Apple, told Iacovone that there had been suspicious activity on his Apple iCloud account.  All Iacovone had to do to resolve the issue, he was told, was confirm that he was the genuine user of the account by sharing a one-time verification code that his phone was about to receive.

Iacovone, who says he was lulled into a false sense of security because the caller had an American accent, duly handed over the six-digit code.  The scammer duly promptly hung up the call and emptied $650,000 worth of funds and NFTs from his MetaMask cryptocurrency wallet.

Gaining access to someone’s Apple iCloud account is not particularly difficult, if the target can be tricked into providing a verification code sent by Apple when someone (in this case the scammers) is struggling to log into an account.

For this reason, you should never give a verification code to someone who asks for it, even if they claim to work for Apple.

So, a criminal had successfully broken into the Apple iCloud account, but how had that resulted in Iacovone’s cryptocurrency wallet being emptied?

As a security expert going by the name of Serpent explained on Twitter, by default data from MetaMask is automatically backed up to Apple iCloud – data which includes the secret 12-word recovery phrase.

Many MetaMask users may have been reassured that MetaMask stores a user’s Secret Recovery Phrase, passwords, and private keys in an encrypted format locally on the device where the MetaMask is installed – but be unaware that by default it is backed up to Apple iCloud.

MetaMask’s FAQ tells users never to give their secret…

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