HTTP Sec-CH-UA-Platform contradicts the JS UA platform
net.ch_platform_header_vs_ua · convicts
network, browserlayer
coherencecategory
1evaders caught
What it catches
Cross-layer OS coherence; JS-only UA spoof leaves Chrome's network client hint intact
Signals it reads
network.ch_platform_header browser.ua_platform
How it fires
not_equal
Evaders it caught 1
Bypassed by 10
Frontier evaders that reach the detector uncaught (scored only suspicious, defeating every convicting tell) — this check is not one that stops them. The red-team frontier this detection still has to convict.