M&S profits plunge by more than half after cyber-attack

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Marks & Spencer Reports Major Profit Loss Due to Cyber Attack Marks & Spencer (M&S) experienced a significant decline in profits following a cyber attack in April 2025, which forced the retailer to suspend online orders for seven weeks. The company's underlying pre-tax profits fell by 55.4% to £184.1 million, with statutory profits dropping to £3.4 million from £391.9 million in the previous year. The incident is estimated to have cost M&S around £136 million in total, impacting both its online and in-store sales. 22 sources 50