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threat intel
The Detection Model Is Upside-Down
ReliaQuest presented a detection architecture rethink at EXPONENT 2026, arguing that the current security information and event management (SIEM)-centric model creates detection delays averaging 51 minutes while adversaries exfiltrate data in six minutes or less. The company proposes pushing detection logic to three layers: at data sources via endpoint detection and response (EDR) and identity tools, in transit before storage, and at SIEM for compliance queries, coupled with agentic artificial intelligence (AI) to orchestrate investigation and response across all three. This shift, already underway among leading organizations, aims to close the gap between attacker speed and detection capability without wholesale SIEM replacement.
Why it matters: Enterprise security leaders need to evaluate whether 76% of their detection use cases are paying speed and cost penalties by running through SIEM indexing rather than firing at source or in motion, particularly as attackers operate faster than current alert timelines allow.
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