Castle

Castle is a security platform focused on real-time bot protection and account security. It assesses risk using device fingerprints, behavioral analytics, and other signals to protect web and mobile apps from fraudulent registrations, account takeovers, and other bot-driven abuse, while enabling rapid deployment and integration.

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Bot protectionAccount security platformFraud preventionReal-time risk detectionPrevent account abuseBot attack protectionFake registrations interceptionDevice fingerprinting

Features of Castle

Real-time risk detection and decisioning, evaluating risk in milliseconds using multi-dimensional data such as device fingerprints and behavioral signals.

Supports automated interception and response, capable of triggering in-app blocking or dynamic verification as needed.

Define abnormal behavior with custom rules and policies and set interception thresholds.

Provides data analytics and insights dashboards to identify attack patterns and fraud networks at scale.

Dual-layer architecture combining edge deployment and in-app SDK to defend against credential stuffing, scripting, and other automated attacks.

Supports rapid front-end and back-end integration, with no-code options to integrate with platforms like Cloudflare—no DNS changes or long-term commitments required.

Delivers real-time alerts and notifications to security teams via Slack or Webhook.

Intelligently distinguishes between benign bots and malicious bots.

Use Cases of Castle

To block fake registrations or multi-account abuse by aggregating registrations from the same device or IP and automatically intercepting them.

When suspicious login behavior is detected, to identify account takeover risk and block attacks in real time.

Addresses SMS verification code abuse by detecting and intercepting high-frequency SMS requests and other fraud.

To quickly identify and block spam content submissions and other automated attacks when protecting content publishing interfaces.

To provide centralized threat monitoring, enabling security teams to gain insights into attack patterns and manage risk events via analytics dashboards.

To optimize the user verification experience by replacing traditional CAPTCHAs with more seamless protection.

FAQ about Castle

QWhat is Castle?

Castle is a real-time bot protection and account security platform that detects and blocks automated attacks and account abuse using behavioral analytics, device fingerprints, and other signals.

QWhat types of attacks does Castle primarily protect against?

Key protection scenarios include fake registrations, account takeovers, credential stuffing, SMS bombing, and other automated fraud involving content abuse.

QHow is Castle deployed and integrated?

Supports quick front-end and back-end integration and offers no-code options, for example with platforms like Cloudflare, without DNS changes or long-term contracts.

QDoes Castle offer a free version?

There is a free tier to start with; specific features and limits depend on the official pricing.

QWill using Castle affect normal user experience?

Castle is designed to minimize impact on legitimate users through inline interception and dynamic responses (such as enhanced verification).

QHow does Castle distinguish normal users from malicious bots?

By analyzing device fingerprints, behavioral signals, risk scores, and applying custom rules to intelligently differentiate.

QDoes Castle offer data analytics capabilities?

Provides analytics dashboards with business intelligence–grade insights to monitor risk events, identify attack patterns, and manage security insights.

QCan non-technical teams configure and use Castle?

Yes. The platform supports no-code integrations with select services and provides customizable rules and policies to lower the configuration barrier.

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