Castle logo — Defend against bots, fraud, and abuse.

Castle

Defend against bots, fraud, and abuse.

Founded 2015 United States Brooklyn, United States 48 employees Series Unknown Total: $11.56M Big Data, Cyber Security +3

General Information

Company Name Castle
Founded Year 2015
Location United States Brooklyn, United States +1
Employees 48
Industries Big Data, Cyber Security, Fintech +2
Funding Stage Series Unknown
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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 need for CAPTCHAs. Their slogan, "Defend against bots, fraud, and abuse," succinctly captures their core mission.

Aligned with the increasing global demand for enhanced security measures, Castle continues to capture the interest of investors. The latest financial backing was secured in a Venture Round investment on 01 January 2021, led by Page One Ventures.

In an era where cyber threats are a constant concern, Castle offers a robust, CAPTCHA-free defense framework, aligning with the growing trend of businesses seeking to optimize user experience and security. As such, it presents a promising investment opportunity for those focused on innovation within the privacy and security sectors.

Taxonomy: bot protection, fraud prevention, account takeover protection, transaction fraud detection, spam blocking, device fingerprinting, user behavior analysis, cybersecurity solutions, user account security, API integration, e-commerce security, mobile app security, online business protection, real-time threat detection, customer-facing application protection

Services & Products

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

Target Customers

enterprises businesses handling online transactions platforms vulnerable to bot attacks companies needing real-time fraud detection developers integrating security features

Funding Rounds & Investors (5)

View All
Funding Stage Amount Investors Lead Investors Date
Venture Round •••••• 1
Investor
01 Jan 2021
Series A •••••• 7
Investor Investor Investor Investor
•••• ••••
08 Feb 2019
Seed Round •••••• 2
Investor
•••• ••••
09 Nov 2016
Seed Round •••••• - 22 Mar 2016
Seed Round •••••• - 12 Feb 2015

Castle Alternatives & Competitors

View All Alternatives
Castle vs
Guardinex, Inc.
Guardinex, Inc. United States

Protect businesses and their customers from identity fraud

Series A
14 employees
Analytics, Big Data
Castle vs

We stop ATOs with the newest and latest Fraud technology. Secure your customer's accounts with Alacr...

Pre Seed
2 employees
Big Data, Internet
Castle vs
Deduce
Deduce United States

Deduce protects businesses from AI-generated identity fraud

Series B
24 employees
AI, Analytics

FAQ About Castle

Defend against bots, fraud, and abuse.
Castle was founded in 2015.
Castle is headquartered in Brooklyn, United States.
Castle operates in the following industries: Big Data, Cyber Security, Fintech, Internet, Privacy and Security.
Castle has approximately 48 employees.
Castle has completed 5 funding rounds, raising a total of $11.56M. The latest funding stage is Series Unknown.
Castle offers: 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.
Top alternatives and competitors to Castle include Guardinex, Inc., Alacrity (YC W24), Deduce, HUMAN, Allure Security. These companies operate in related industries and serve comparable markets. You can compare them side by side on Bounce Watch.
Castle and Guardinex, Inc. are both companies in similar industries. Compare their funding, team size, growth signals, and market position on Bounce Watch to see which one fits your needs.

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