Co-op took a profit hit in its latest interim results, as it grappled with the impact from its cyber-attack in April.
The convenience giant reported a £80m drop in its first half half operating profits for the six months to 5 July. This included a £20m hit from one-off costs.
The group pulled in a £75m pre-tax loss during the period, compared to a £3m profit the same time last year.
Co-op estimated that it had lost £206m in sales as a result of the cyber attack.
The supermarket said the total profit damage from the incident was forecast to reach £120m for its full financial year.
Although the convenience specialist had insurance cover for operational disruption, it did not have dedicated cyber insurance before the attack.
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Co-op chair Debbie White said: “The first half of 2025 brought significant challenges, most notably from a malicious cyber attack.
“Our balance sheet strength and the magnificent response of our 53,000 colleagues enabled us to maintain vital services for our members and their communities.
“We must now build our Co-op back better and stronger to meet the challenges and opportunities that lie ahead.”
Rival supermarket M&S suffered a cyber attack days before Co-op was hit with the incident. The food and fashion retailer initially experiencing contactless payment failures across its UK stores.
In August, it was reported that M&S was still grappling with the fallout from the attack in April, with several of its internal IT systems not fully recovered.
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