Castle prevents account takeover by analyzing individual user behavior. Since graduating from Y Combinator, Castle has detected and mitigated more than 250,000 accounts across 15 million users from potential security threats. Hundreds of online applications are utilizing Castle, including e-commerce leader Rue La La.
| Date | Amount | Type | Investors | Valuation |
|---|---|---|---|---|
| 11/09/16 | $2,000,000 | Seed |
F-Prime Capital Partners First Round Capital FundersClub | undisclosed |
