Top 10 Alternatives to Castle Recently Reviewed By G2 Community
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SEON helps businesses detect fraud, uncover risk, and stay compliant—without slowing down growth. Our single API analyzes digital footprints, devices, and AML data using 900+ real-time, first-party signals. Teams can use machine learning or custom rules, expand globally in weeks, and automate decisioning without black-box limitations or slow onboarding.
Duo is a cloud-based access security platform built to protect access to any application, from any device. Duo’s passwordless authentication, single sign-on (SSO) and user-friendly multi-factor authentication make secure logins easy for users, reducing friction to their workflow.
Sift is the leading fraud prevention platform securing digital trust for 700+ global brands.
As opposed to top-down, enterprise-focused fraud prevention platforms, FingerprintJS prevents digital fraud by uniquely and accurately identifying users, and empowering technical teams to use that data in a way that works for their applications.
LastPass business solutions help teams & businesses take control of their identity management with password management, single sign-on (SSO), and adaptive multifactor authentication (MFA).
1Password remembers your passwords for you — and helps you make them stronger. All your secrets are secure and always available, safe behind the one password that only you know.
HAProxy is an open-source software load balancer and reverse proxy for TCP, QUIC, and HTTP-based applications. It provides high availability, load balancing, and best-in-class SSL processing. HAProxy One is an application delivery and security platform that combines the HAProxy core with enterprise-grade security layers, management and orchestration, cloud-native integration, and more. Platform components: HAProxy Enterprise: a flexible data plane layer for TCP, UDP, QUIC, and HTTP-based applications that provides high-performance load balancing, high availability, an API/AI gateway, container networking, SSL processing, DDoS protection, bot detection and mitigation, global rate limiting, and a web application firewall (WAF). HAProxy Fusion: a scalable control plane that provides full-lifecycle management, observability, and automation of multi-cluster, multi-cloud, and multi-team HAProxy Enterprise deployments, with infrastructure integration for AWS, Kubernetes, Consul, and Prometheus. HAProxy Edge: a globally distributed application delivery network that provides fully managed application delivery and security services, a secure partition between external traffic and origin networks, and threat intelligence enhanced by machine learning that powers the security layers in HAProxy Fusion and HAProxy Enterprise. Learn more at HAProxy.com.
Cloudflare Application Security and Performance solutions provide performance, reliability, and security for all of your web applications and APIs, wherever they are hosted and wherever your users are.
With identity and intent intelligence from the world’s largest network of online retailers, Signifyd’s Commerce Protection Platform instantly recognizes the ‘who’ behind every transaction. Every approved order is backed by a 100 percent financial guarantee against fraud and abuse, so merchants can automate payments at scale, streamline customer experiences and grow fearlessly.
Harness is the first Continuous Delivery-as-a-Service platform that uses Machine Learning to simplify the entire process of delivering code from artifact into production – quickly, safely, securely, and repeatably.