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
- Series A • Khosla Ventures, $9M Series A in 2019
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.
Research flow
- Validate company baseline on company intelligence.
- Compare market peers via Cybersecurity industry routes and Series A stage pages.
- Track fresh updates in newsroom coverage and signals feed.
Operating context
- Geography: United States directory.
- Stage signal: Series A funding coverage.
- Hiring status: Open Roles.
Related Founders
More founders in Cybersecurity.
Want to get featured on 100Xfounder?
Get your founder profile published with verified funding and hiring context.
Related Pillar Pages
Access the country, industry, stage, startup taxonomy, and newsroom routes connected to this founder.
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.