A year on from the Marks & Spencer cyber attack, we look back at the incident, consider the lessons learned, and ask if the retail sector is any more secure today. Over the four-day Easter weekend of 18 to 21 April 2025, customers of British high street fixture Marks & Spencer (M&S) took to social media in droves to lament an apparent outage that was causing disruption to in-store contactless payments. At first... [10960 chars]