What Is a CAPTCHA Challenge? Cost, bypass and detection
Most teams deploy a CAPTCHA challenge believing it separates humans from bots. The published measurements say it does something narrower and stranger than that. This piece walks the request flow, the solver economics, and the false-positive population, using other people's numbers because they are better than ours.
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How Residential Proxy Networks Work (and where they leak)
A residential proxy pool is not a list of IP addresses. It is a live market that pays a household two cents per gigabyte, resells that gigabyte for four dollars, and routes a credential stuffing run through a smart TV in Belo Horizonte on the way. Federal enforcement has taken
WASM SIMD CPU Fingerprinting: A Signal, Not an Identity
A bot lands on your login page claiming to be a Windows desktop on an Intel chip. Its User-Agent says so, its navigator.platform says so, and its screen size and timezone all agree. One WebAssembly instruction says it's running on ARM. That contradiction is the whole
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