Side-by-Side Comparison
| Metric | Castle | Deduce |
|---|---|---|
| Founded | ||
| Founded | 2015 older | 2019 |
| Headquarters | ||
| Headquarters | Brooklyn, United States | New York, United States |
| Employees | ||
| Employees | 48 | 24 |
| Industry | ||
| Industry | Big Data, Cyber Security, Fintech | AI, Analytics, Big Data |
| Funding Stage | ||
| Funding Stage | Venture round | Series B |
| Total Funding | ||
| Total Funding | $11.56M | $26.30M |
| Funding Rounds | ||
| Funding Rounds | 5 | 5 |
| Services | ||
| Services | fraud defense at the edge, in-app fraud detection with SDK, real-time risk analysis and management, custom security flows and rules engine, API integration for threat insights | Not tracked yet |
| Target Customers | ||
| Target Customers | enterprises, businesses handling online transactions, platforms vulnerable to bot attacks, companies needing real-time fraud detection, developers integrating security features | Not tracked yet |
| Taxonomy | ||
| Taxonomy | Bot ProtectionFraud PreventionAccount Takeover ProtectionTransaction Fraud DetectionSpam BlockingDevice Fingerprinting +9 | Identity VerificationFraud PreventionAccount SecurityData ProtectionIdentity NetworkAuthentication +1 |
| Website | ||
| Website | castle.io | deduce.com |
About Castle
Castle, founded in 2015, has positioned itself as a pivotal player in the realms of Big Data, Cyber Security, and Fintech. Based in the United States, the company offers advanced solutions to block bad bots, account takeovers, transaction fraud, and spam, distinguishing itself by eliminating the nee...
About Deduce
Deduce is a cybersecurity startup founded in 2019, aiming to protect businesses and their customers from unauthorized account access and identity fraud. The company utilizes a vast identity network to combat account takeover and new registration fraud. With its focus on analytics, big data, and cybe...
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Compiled from the BounceWatch company index. We last looked at Castle on 27 Mar 2026, and Deduce on 11 Sep 2024. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.
