12.7% of EDR-managed devices missed every security agent. 5 checks before autonomous SOC agents go live.
An endpoint agent cannot report its own absence. The 2026 Axonius Actionability Report, conducted with the Ponemon Institute and surveying 662 IT and security professionals, put a number on a gap SOC teams have worked around for years. Across the Axonius customer base, 12.7% of devices in a 298,000-device median inventory are missing their expected security agent.
If a device has no agent, no management console shows it. If a CMDB record is stale, no reconciliation flags it. An employee who installed Claude Enterprise outside procurement created a SaaS workspace, identity surface, and API-token footprint that endpoint telemetry alone will not reliably inventory. The coverage percentage on the EDR dashboard is structurally incomplete because the reporting mechanism cannot see what it does not cover.
That gap matters more now than it did six months ago. SOC and XDR vendors are pushing more autonomous investigation and remediation into production....
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