Zero Ri$k

When customer complaints on Christmas Eve about tenfold inflated bank balances herald not early gifts, nor a botched system upgrade, but the most sophisticated cyber-attack in history, new National Bank CEO Rob Tanner finds himself in the eye of a “Black Swan” storm no one predicted, but anyone could have anticipated.

He enlists the help of brilliant American computer security expert Ashley Markham but the attacks only worsen: bank balances rise remors...