Shipping firm Clarksons braces for data leak after refusing to pay hacker

World's largest shipbroker follows large corporations including Deloitte, Yahoo and Equifax in falling victim to cyber-attack

Shipping company Clarksons is bracing for a tranche of private data to be released, after refusing to pay a ransom to a hacker who staged a "criminal attack" on its computer systems.

In a statement to the stock market, the world's largest shipbroker said it was working with specialist police and contacting customers who may have been affected after a "cybersecurity incident".