B anks have been warned of an imminent threat that their cash machines could be mass-hacked by cyber criminals.
In a confidential alert on Friday, America's Federal Bureau of Investigation told international banks that criminals are plotting a concerted global malware attack on cash machines in the next few days.
The FBI issued a warning about a highly choreographed fraud scheme known as an ATM "jackpotting", in which crooks hack a bank or payment card processor and use cloned cards at cash machines around the world to take out millions in just a few minutes.
UK-based banks with large international operations, such as HSBC and Barclays, are among those thought to have been made aware of the...