Paul Greengrass will direct Fox 2000's adaptation of the Robert Harris thriller novel Fear Index, reports Deadline.

The story centers on a scientist who uses a revolutionary system of computer algorithms to trade on the volatility of the world's financial markets. His hedge fund is wildly successful until he is targeted by an intruder who breaks into his home.

The novel will be published next month in the UK and January in the US.

No production date has been set.