You have heard gone in 60 seconds - How about 7 million gone in 180 seconds

It only took three minutes for someone to realise that the CoinDash site had been hacked, and that it was telling investors to send their money to the wrong address – but already over $7 million had been stolen.

More Here:
https://www.tripwire.com/state-of-security/security-data-protection/ethereum-cryptocurrency-heist-7-million-reportedly-stolen-simple-hack/