Half of security professionals name data quality or quantity as their biggest barrier to effective threat hunting, according to the SANS 2026 Threat Hunting Survey. Teams with working playbooks describe the logs as their ceiling, and gaps in cloud logging and identity telemetry come up most often. Gaps in the logs hurt most against the attackers respondents see most often, the ones who blend in with legitimate activity.
Half of threat hunters say bad data is their biggest problem
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