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Castle Team
Verified ProfileSeries ACybersecurityUnited StatesTIER_1

Castle Team

Castle

Last updated: February 23, 2026

Intelligent protection against user account fraud and hijacks. Cybersecurity Fraud Detection

Khosla Ventures, $9M Series A in 2019

Intelligent protection against user account fraud and hijacks. Cybersecurity Fraud Detection

Khosla Ventures, $9M Series A in 2019

Total Funding: $9.00MLast Round: Series A Khosla Ventures, $9M Series A in 2019Hiring: Yes
  • Series AKhosla Ventures, $9M Series A in 2019
Open Roles

Founder Intelligence Brief: Castle Team

This profile is built to help readers move from a founder name to decision-ready context. Castle Team is mapped to Castle in the Cybersecurity category, with current stage context as Series A. The primary operating market is San Francisco Bay Area, California, USA, which connects this profile directly to regional ecosystem pages and related industry hubs.

Funding visibility currently shows $9.00M, with the latest mapped round as Series A (Khosla Ventures, $9M Series A in 2019). This makes it easier to evaluate growth narrative against capital stage rather than reading isolated updates without baseline context.

For deeper research, combine this founder page with the company profile, company news hub, country newsroom and Cybersecurity startup list. This route gives a cleaner picture of execution, market demand, and competitive movement.

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FAQs About Castle Team

Common questions people ask about this profile.

Who is Castle Team?

Castle Team is the founder profile listed on 100Xfounder for Castle, tracked for market signals, company intelligence, and operator-level context.

What does Castle do?

Intelligent protection against user account fraud and hijacks. Cybersecurity Fraud Detection

Where is Castle based?

Castle is listed as operating from San Francisco Bay Area, California, USA.

What is the current funding stage of Castle?

Castle is currently categorized at Series A on 100Xfounder. Funding signal: Khosla Ventures, $9M Series A in 2019

What is the latest funding round for Castle?

The latest tracked round for Castle is Series A Khosla Ventures, $9M Series A in 2019. Total tracked rounds: 1.

Is Castle hiring right now?

Current hiring signal for Castle: Open Roles.

Is Castle Team's profile verified?

Yes. Castle Team's profile is marked as verified on 100Xfounder as of March 3, 2026.

How can I connect with Castle Team?

You can use the profile action buttons and listed links on 100Xfounder. Contact context is provided with business relevance and profile metadata for castle.io.

What technologies are associated with Castle?

Castle is associated with AWS, React, Python, and PostgreSQL based on current profile intelligence.