Marks and Spencer — Cyber Attacks, Breaches & Threat Activity

Threat entity extracted from intelligence sources

Frequency
29
occurrences
First Seen
November 5, 2025
Last Seen
June 27, 2026

Marks and Spencer is a organization tracked across 23 threat clusters and 29 intelligence report mentions on ThreatCluster. First observed November 5, 2025; most recent activity June 27, 2026.

Overview

Marks & Spencer (M&S) is a major UK-based retailer offering clothing, food, and home products with a substantial online and in-store presence. In November 2025 it disclosed a significant cyber attack that disrupted online sales and drove large financial losses, highlighting rising cybersecurity risk for UK retailers and the role of cyber insurance in incident response.

Related Threat Clusters

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    In August 2025, a ransomware attack attributed to Russian hackers severely disrupted Jaguar Land Rover's operations, forcing a five-week production halt and costing the UK economy approximately $2.5 billion. The attack…

    16 articles · Updated June 26, 2026
  • Teenagers Plead Guilty to £39M Cyber Attack on Transport for London

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  • NCA Chief Warns of Technology-Driven Crime Surge Among Teenagers

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  • Network Rail Faces Over 7 Million Cyber Attacks in Three Months

    Network Rail experienced over 7.1 million cyber attacks, primarily through malicious emails, from December 2025 to March 2026. This alarming statistic was revealed through a Freedom of Information request. The surge in…

    2 articles · Updated June 27, 2026
  • Asahi Group Cyberattack Exposes Data of 2 Million Customers

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  • Majority of Ransomware Attacks Occur During Holidays and Weekends

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  • UK Cyber Insurance Claims Surge Amid Ransomware Attacks

    In 2024, UK organizations experienced a significant rise in cyber insurance claims, with payouts reaching £197 million ($259 million), a 230% increase from £59 million in 2023. The surge is primarily attributed to…

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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…

    22 articles · Updated November 5, 2025
  • Jaguar Land Rover Cyberattack Costs £485m in Q2 2025

    Jaguar Land Rover (JLR) reported a £485 million loss for Q2 2025 following a cyberattack that shut down production for over a month. The attack, which occurred in August, resulted in exceptional costs of £196 million…

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  • Teenagers Plead Not Guilty in TfL Cyber Attack Case

    Two teenagers, Thalha Jubair and Owen Flowers, have pleaded not guilty to charges related to a cyber attack on Transport for London (TfL) that resulted in significant financial losses. The attack, attributed to the…

    14 articles · Updated November 21, 2025

Recent Intelligence Reports

  • Stark cyber attacks warning as staggering volume of Network Rail hacks laid bare — Mirror · June 27, 2026
  • Stark cyber attacks warning as staggering volume of Network Rail hacks laid bare — Mirror · June 27, 2026
  • Russia is accused of being behind Jaguar Land Rover cyber-attack that cost UK £1.9billion — Dailymail · June 27, 2026
  • Cybercriminals admit £39 million attack on TfL — Aol · June 22, 2026
  • Cybercriminals admit £39 million attack on TfL — Standard · June 22, 2026
  • Cybercriminals admit £39 million attack on TfL — Uk.News.Yahoo · June 22, 2026
  • Two men including one from Walsall admit carrying out cyber attack on Transport for London — Planetradio · June 22, 2026
  • Retail cyber skills gap in spotlight as govt launches new entry — Retailgazette · April 15, 2026

CVSS v3.1 Breakdown