This ebook reviews major ransomware and data-extortion attacks in 2025 across sectors like public services, healthcare, sports, aviation, IT distribution, research, food supply chains, manufacturing, and childcare, showing how attacks often start from weak systems or third-party/vendor gaps and focus on monetization through data theft plus encryption. It argues legacy tools fail due to limited visibility, slow detection, fragmented investigations, alert overload, and lack of unified context, and positions XDR as a stronger approach by unifying monitoring across endpoints, networks, cloud, and email, correlating alerts faster, enabling automated containment, and supporting proactive hunting. It closes with practical 2026 readiness steps such as patching, user training, resilient backups, le

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