SecurityM&S says customer data stolen in cyberattack, forces password resets Posted on May 13, 2025 by Onsite Computing, Inc. Marks and Spencer (M&S) confirms that customer data was stolen in a cyberattack last month, when ransomware was used to encrypt servers. […] Go to Source Author: Bill Toulas Onsite Computing, Inc. Building Effective Security Programs Requires Strategy, Patience, and Clear Vision Increase Red Team Operations 10X with Adversarial Exposure Validation