HackBook is a professional services firm focused on Industrial IoT (IIoT) and operational technology (OT) security services, headquartered in San Francisco, United States, founded in 2024.
| Date | Round | Amount | Investors |
|---|---|---|---|
| 2025-05-01 | Pre-Seed | $1M | Undisclosed |
| 2024-03-04 | Pre-Seed | $150K | Undisclosed |
Data from The Signal by Return on Security — cybersecurity funding, M&A activity, and company intelligence.