The Economics of Dwell Time and Why AI Native SIEM Changes the Equation

Summary: An industry incident response report cited here puts the global median dwell time at 14 days, up from 11 the year before and reversing close to a decade of steady improvement. The article breaks dwell time into mean time to detect and mean time to respond, and cites IBM's 2026 Cost of a Data Breach report at $4.99 million average breach cost and 247 days average to identify and contain.
Why it matters: Breaches lasting more than 200 days cost an average of $5.65 million versus $4.32 million for those resolved sooner, and about 40% of businesses in the 2026 Kaseya Cybersecurity Outlook reported at least a full day of downtime after an incident. Averages can hide the intrusions that matter: a strong mean time to detect can coexist with a handful of serious intrusions that go unnoticed for days.

Read the original at The Hacker News ↗

Topics: Detection & Response
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