This guide examines alert overload as a critical problem for lean IT security teams, showing how excessive alert volume causes stress, burnout, missed threats, and weaker security outcomes. It explains that rising attack frequency and overly sensitive tools generate thousands of alerts daily, most of which are false positives, making effective response impossible with human effort alone. While outsourcing to MDR providers can help absorb workload, it is costly and incomplete if not carefully managed. The guide recommends first reducing noise by eliminating or aggregating low value alerts and tuning tools around known activities. It argues the core problem is response, not alerts, and positions automated response as essential, using playbooks and integrated tools to investigate, contain, an

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