Canva Shares S3 Based Architecture for Session Revocation across Hundreds of Millions of Sessions

Leela Kumili — Mon, 10 Aug 2026 14:14:00 GMT

Canva redesigned session revocation infrastructure to support 100M active sessions while reducing database lookups. The architecture uses Amazon S3 for durable revocation records and distributes compact, in-memory indexes to application gateways. Canva said the design improved deployment speed, reduced database infrastructure requirements, and cut the revocation cache memory footprint by 87.5%.

By Leela Kumili

Cloudflare's Precursor Detects Bots and AI Agents through Continuous Behavioral Analysis

Renato Losio — Sat, 08 Aug 2026 07:54:00 GMT

Cloudflare recently introduced Precursor, a client-side behavioral analysis engine that continuously evaluates session interactions, such as mouse movements and keyboard timing, to improve detection of sophisticated bots and AI agents without relying solely on one-time challenges like CAPTCHAs.

By Renato Losio

InfoQ - Authentication

Canva Shares S3 Based Architecture for Session Revocation across Hundreds of Millions of Sessions

Cloudflare's Precursor Detects Bots and AI Agents through Continuous Behavioral Analysis