June 1, 2018 - Ethereum wallets JSON-RPC 38,642 ETH

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Researchers have noticed that cybercriminal group have managed to steal a total 38,642 Ether, in past few months by hijacking Ethereum wallets of users who had opened their JSON-RPC port 8545 to the outside world. Geth is one of the most popular clients for running Ethereum node and enabling JSON-RPC interface on it allows users to remotely access the Ethereum blockchain and node functionalities, including the ability to send transactions from any account which has been unlocked before sending a transaction and will stay unlocked for the entire session.