Hackers have proven just how urgently a gaping flaw in the global telecoms network, affecting what's known as Signalling System No. 7 (SS7), needs to be fixed. In a video demonstration, shown to Forbes ahead of publication today, benevolent hackers from Positive Technologies were able to take control of a Coinbase bitcoin wallet and start pilfering funds via the SS7 flaws.

https://www.forbes.com/sites/thomasbrewster/2017/09/18/ss7-google-coinbase-bitcoin-hack/#6ac8741341a4