CPU Micro-Architecture

Detection approach

Math instruction set validation failed. The User-Agent claims to be an ARM mobile or Mac device, but the Math.cos calculations executed with the exact hardware rounding signature of an Intel/AMD CPU.

How this helps detect bots

This signal is assessed with other independent session, browser, and network evidence. A single anomaly is a lead, not a verdict; corroborating anomalies make automated traffic more likely.

Legitimate traffic to consider

Developers or QA testers utilizing responsive design modes in desktop Chrome.