Last week, Coinbase ( COIN -1.07%) told customers about a security breach in which criminals accessed personal data from around 1% of its monthly transacting users. The popular cryptocurrency exchange estimates the hack could cost it between $180 million and $400 million, per its May 14 SEC filing.

Protect your crypto investments after the Coinbase hack by using cold storage, being wary of scams, and employing additional safeguards.

Coinbase, the world’s third-largest cryptocurrency exchange, has been rocked by a massive cyber attack — with damages potentially reaching $400 million. Hackers tricked employees and contractors outside the US into leaking sensitive customer data like names,