Hackers hijacked cryptocurrency trading platform CoinDash on Monday just as it was in the middle of its initial coin offering, or ICO. It's the first known breach of an ICO, this season's hottest fundraising method.
CoinDash, an Israeli startup, planned to raise capital by selling its own digital tokens in exchange for the cryptocurrency Ethereum, which is similar to Bitcoin. But just 13 minutes before the token sale, which began at 9 a.m. ET Monday, an "unknown perpetrator" hacked CoinDash's website and changed the address for sending investments to a fake one, the company later announced on its website. That diverted millions of dollars in contributions to the attacker. worth of $7 million of Ethereum.
for more detail, source http://fortune.com/2017/07/18/ethereum-coindash-ico-hack/