BlockFi discloses failed hack attempt after SIM swapping incident



Cryptocurrency trading platform BlockFi disclosed this week a security incident during which a hacker attempted and failed to steal funds from the company’s users.

The attack took place last week, on May 14, BlockFi said in a post-mortem report [PDF] published on Tuesday.

The hacker used a SIM swapping technique to take control over an employee’s phone number, reset the employee’s email password, and gain access to the email account, along with accounts on the BlockFi platform.

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