Cloudflare launches precursor to strengthen bot detection through continuous behavioural analysis
Cloudflare has announced the general availability of Precursor, a browser-based behavioural validation engine designed to help organisations detect increasingly sophisticated automated bot traffic without relying on traditional CAPTCHA-based verification.
The launch comes as automated traffic continues to grow across the internet. According to Cloudflare, bots now account for about 57% of all web requests, overtaking human-generated traffic. The company said this shift is being driven by the increasing use of AI agents and advanced automation, creating new challenges for organisations trying to protect applications, user accounts and online services.
Unlike conventional security checks that validate users at a single point in time, Precursor continuously analyses browser interactions throughout an entire session. The platform evaluates behavioural signals such as mouse movement, scrolling patterns, typing cadence, clipboard activity and page visibility to distinguish human users from automated scripts.
Cloudflare said the system is designed to identify bots that can bypass one-time security...
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