Castle
Account takeover and abuse detection read from user behavior.
Made by CastleBot and automation defense
About Castle
Castle, the company behind it, provides developer-grade infrastructure to stop bots, abuse, and fraud. Castle turns user behavior into real-time signals that power security for companies like Canva, Rockstar Games, and Atlassian.
Castle states that it serves hundreds of clients, from fast-moving startups to global giants. The homepage says Castle exposes coordinated abuse using its device, email, IP and behavioral intelligence. The device intelligence page states that its fingerprinting is fine-tuned for account abuse.
Drafted from castle.io · not yet confirmed by Castle
How it works
Castle watches how users behave inside your app (device, network, typing and navigation patterns, session history) and scores each request for account takeover, fake account creation, and abuse like promo or referral fraud. It's built for product and fraud teams rather than network security teams: the signals show up per user in a dashboard where you can see why an account was flagged and take action.
You send events from your backend and front end via SDK, define policies (block, challenge, allow) and let Castle act inline. It's strongest on account level abuse, less so on scraping or DDoS.
From the company
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