- cheq.ai
Detecting Automated and Anti-Detect Browsers: A Security Researcher’s Approach
Introduction Automated and anti-detect browsers are increasingly used for credential stuffing, account takeover, ad fraud, scraping, and bypassing security controls. From a defender’s perspective, the…
- cheq.ai
The Cyborg Session: Reversing & Detecting Claude AI Agent Chrome Extension
The Shift to Local Execution Until recently, “Computer Use Agents” (CUAs) were predominantly server-side operations, sandboxed in Virtual Machines within datacenters. While safer in theory…
- cheq.ai
The Story of TLS Fingerprints
CHEQ’s security research team details the evolution of TLS fingerprinting, from JA3’s limitations to Chrome’s randomization challenges and the adoption of JA4. The post highlights how CHEQ normalizes …
- cheq.ai
When Traffic Never Sleeps: Detecting Bots with Entropy
CHEQ unveiled a new bot detection layer using Shannon entropy to measure traffic uniformity across hours, leveraging the fact that bots never sleep while humans do. At a threshold of 3.9, the method a…
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