Hack The Box is a platform allowing you to test your penetration testing skills, exchange ideas & methodologies with the community.
Hack The Box has raised €61M across 3 funding rounds from 6 investors, most recently a Series B round in Jan 2023. Based in Kent, UK; founded 2017; active in Cybersecurity. Data as of 7 Aug 2026.
Timing: overdue vs cohort gap · momentum up. Funding-only estimates, not predictions and not investment advice — see signals.
| Date | Stage | Amount | Investors |
|---|
| 2023-01-11 | Series B | €51M | Brighteye Ventures,Endeavor Catalyst Fund,Marathon Venture Capital,Osage University Partners,Paladin Capital Group,The Carlyle Group | View deal → |
| 2021-04-13 | Series A | €9.2M | Paladin Capital Group | View deal → |
| 2019-04-01 | Seed | €1.2M | Marathon Venture Capital | View deal → |
