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
Collect this signal alongside session context, request metadata, and other independent indicators. 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.
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