Insights
Cyber threat intelligence, product updates, and industry insights from the Gatekeeper team
A deep technical explanation of JA3/JA4 TLS fingerprinting, why it detects automation tools like Puppeteer, Playwright, and Selenium at the transport layer before any HTTP request reaches the server, and its role in layered bot defense.
A comprehensive technical analysis of anti-detect browsers like Multilogin, GoLogin, and Dolphin Anty -- how they spoof device fingerprints to evade protection systems, and why cross-fingerprint validation catches them through impossible contradictions.
A deep dive into continuous risk scoring (0.0-1.0) in modern CAPTCHA systems, how graduated response tiers balance security with user experience, quality-weighted evidence fusion, and per-signal transparency for debugging.