Co-op chief executive to step down as cyber attack costs mount
Significant incident last year forced retailer to shut systems to limit impact
Significant incident last year forced retailer to shut systems to limit impact

Spate of attacks in April led to product shortages and cost M&S, Co-op and Harrods hundreds of millions of pounds

Hack caused havoc with UK high street retailer’s online sales earlier this year

Companies and security groups warn government’s proposed measure is unlikely to stop hacking attacks

High-profile hacks raise fears about the potential economic damage caused by disruption to supply chains and services

Companies paid out £197mn, according to the Association of British Insurers, prior to a string of high-profile attacks

Business leaders warned to take digital resilience seriously after spate of incidents involving British groups