Organizations first detected evidence of malicious activity internally 52% of the time in 2025, up from 43% in 2024.

Publisher	Mandiant
Report	M-Trends 2026 Report
Published	23 March 2026
Topics	Detection, Incident Response

Published by Mandiant in M-Trends 2026 Report, 23 March 2026. The figure is taken from the report as published; the full methodology is in the source.

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