The $404 million cyberattack: Britain’s M&S faces pay hit and expects disruption to last through to July

British clothes-to-food retailer Marks and Spencer on Wednesday said a cyberattack affecting its online service is set to last through to July and cost the group £300 million ($404 million).

Marks last week revealed that some personal data of its customers had been stolen in a cyberattack that has crippled its online services for weeks.

“In Fashion, Home & Beauty, online sales and trading profit have been heavily impacted by the necessary decision to pause online shopping...