Overview

• Marks & Spencer's online ordering has been suspended since April 25, causing estimated daily losses of £4 million in sales.
• Hackers from the Scattered Spider group exploited a contractor's error and went undetected for 52 hours before launching a ransomware attack.
• The breach has exposed customer data, including partial credit card details, prompting warnings about potential phishing attempts.
• Analysts estimate the total cost of the attack could reach £200 million, with £100 million potentially covered by insurance.
• Despite the disruption, M&S plans to raise its dividend and will disclose the breach's financial impact during its May 21 results announcement.