Ledger Chief Technology Officer Charles Guillemet warned cryptocurrency holders against storing sensitive information on iPhones, including recovery phrases and private keys. He said the cost of vulnerabilities that hackers can exploit may soon fall to zero, making large-scale attacks easier. Binance reported an iOS flaw called “worse_query” that can allow malicious applications to access files from other applications installed on the same device. Although no cryptocurrency theft has yet been formally linked to the flaw, Binance advised users to update their operating systems, remove applications from untrusted sources and transfer funds to new wallets if they believe their wallets may have been compromised. The warning follows an incident in which hardware implants allowed hackers to intercept the 24-word recovery phrases of some Ledger devices, with losses estimated at more than $86 million.
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