COMPANY PROFILE · UPDATED 18 NOV 2025
Castle
A fully automated approach to account security that lets your good users shape the risk models.
San Francisco, CA · Cambridge, MA
CybersecurityIdentity & AccessThreat Detection & ResponseB2b Software And ServicesSan Francisco13-60SecurityFintech Companies With Less Than 200 EmployeesY Combinator Companies In San FranciscoSoftware CompaniesSoftware Companies In San FranciscoSofware Companies In San FranciscoComputer Security Companies In San FranciscoFirst Round Capital Portfolio Companies In San FranciscoSeries ASoftware As A Service Companies
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- 2015
- Headcount
- 23
- Open roles
- 2
- Last raised
- Series A
LOCATIONS
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FUNDING
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OPEN ROLES
Hiring at Castle
LEADERSHIP
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