America's National Crime Agency is warning that people have two weeks to prepare for what they describe as "a powerful computer attack".

A major criminal operation designed to steal "hundreds of millions of dollars" from individuals and businesses has been uncovered in the US.

The move comes after the FBI says it's disrupted a hacking network.

The viruses in question are known as 'Game Over Zeus' and 'CryptoLocker'.

Senior investigator from the NCA Stewart Garrick has more on the virus: