Features

Overview

Castle's Device Fingerprinting technology creates unique, persistent identifiers for devices accessing your application. This helps track user behavior across sessions and detect suspicious patterns, even when traditional identifiers are changed.

Key capabilities

• 99.5% accurate device identification
• Persistent tracking across sessions
• Detection of device spoofing attempts
• Browser and OS fingerprinting
• Mobile device identification

Implementation

Our device fingerprinting is automatically enabled when you integrate Castle's SDK into your application. The system begins collecting and analyzing device signals immediately.

Advanced usage

Learn how to leverage device fingerprinting data in your security policies and risk assessment workflows. Create custom rules based on device characteristics and behavior patterns.