Alternatives to Castle

The security platform for the agentic layer, detecting and stopping dangerous AI agentic behavior in real time.

Arkose Labs provides AI security solutions to protect against bot attacks and fraud.

Verifies digital interactions to distinguish humans from bots and AI, protecting against fraud and abuse.

ShieldSquare provides a bot mitigation and management solution to protect online businesses from automated threats and fraud.

Behavioral biometrics platform that analyzes human-device interaction patterns to detect fraud and authenticate users.

Kasada protects websites, mobile apps, and APIs from automated attacks with real-time threat detection.

Cybersecurity platform for third-party risk management and supply chain security.

Combats phishing and fraud at scale with an agentic AI platform.

Server-side bot and agent management platform that identifies humans, good bots, bad bots, and AI agents before traffic lands.

Cybersecurity solutions provider focused on vulnerability management, detection, and response.

Pistachio is an AI-powered human risk management cybersecurity platform for SMBs, offering automated, personalized security awareness training and phishing attack simulations.

QIZ Security helps organizations manage cryptographic risk by providing visibility, automation, context, and actionable insights into their cryptographic layer, ensuring adaptability to emerging security demands.

Mobile app security and API protection platform for preventing fraud and abuse.

Financial fraud prevention platform combating authorized push payment fraud for banks.

Pando Cyber Security provides a unified platform for enterprise cybersecurity risk management and compliance.

SentinelOne delivers autonomous cybersecurity through its AI-powered Singularity Platform, protecting endpoints, cloud workloads, and identities.

Surf AI is an agentic operations platform that helps enterprises operationalize security programs with AI to continuously identify and remediate security exposures.

Cyber asset attack surface management and SaaS management platform for IT and security teams.

Claroty is an industrial cybersecurity platform that protects operational technology, IoT, and medical device networks from cyber threats.

Develops hardware and software for identity verification, authentication, and data protection.

Global cybersecurity leader providing AI-powered solutions for enterprises and governments.