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

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.

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,