UK police arrest four over cyberattacks on M&S, Co-op and Harrods
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Jul 10 2025
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Should l Buy ?
Source: Reuters
Arrests in Cyberattack Investigation: Four individuals under 21 have been arrested in connection with cyberattacks that disrupted operations at major UK retailers, including Marks & Spencer, leading to significant financial losses and operational suspensions.
Impact on Marks & Spencer: The ransomware attack on M&S resulted in a nearly seven-week suspension of online clothing shopping, costing the company approximately £300 million in operating profit, while discussions about mandatory reporting of cyberattacks for businesses are ongoing.
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About the author

Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.





