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Castle

Castle prevents account takeover in web and mobile apps.

Blog Posts

Roll your own bot detection: server-side detection (part 2)

October 15, 2025

Roll your own bot detection: fingerprinting/JavaScript (part 1)

October 8, 2025

Fraudulent email domain tracker: September 2025

September 30, 2025

Deep dive: how navigator.deviceMemory can be used for fingerprinting and bot detection

September 10, 2025
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