I am the cybersecurity incident responder for Plainfield Health System — I validate endpoint telemetry against vendor SOC reports for a living — and when I finally pulled the raw EDR alert export and laid it beside the “low-confidence indicator clusters — dismissed” line in Cliff Guthrie’s monthly SOC summary, I understood that for eleven months a sustained ransomware foothold had been hidden on 412 endpoints, and my signed monthly validation letters were the cover.

I am the cybersecurity incident responder for Plainfield Health System — I validate endpoint telemetry against vendor SOC reports for a living — and when I finally pulled the raw EDR alert export and laid it beside the “low-confidence indicator clusters — dismissed” line in Cliff Guthrie’s monthly SOC summary, I understood that for eleven months a sustained ransomware foothold had been hidden on 412 endpoints, and my signed monthly validation letters were the cover.

ByDorte Karman