The Co-operative Group has revealed the cyberattack that knocked its systems offline earlier this year will leave it nursing an £80 million hangover.

The registered society - owned by members not shareholders - includes a food retail biz and provides legal, funeral and insurance services.

Today it said the breach, which struck in April and forced it to shut parts of its IT systems, has so far cost it £206 million in lost revenue, with Co-op taking an £80 million profit hit in the first half of 2025.

As a result, Co-op slumped to an underlying operating loss of £32 million, a sharp swing from the £47 million profit it notched up a year ago.

The losses, reported on Thursday , include a £20 million one-off payment that Co-op has yet to explain. The company has yet to respond to The Regist

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