Aperture Sectors › Cybersecurity AI › Email, fraud & brand protection
Email, fraud & brand protection funding
Email, fraud & brand protection
A sub-sector of Cybersecurity AI. Each company counts once, in its main sub-sector.
60 rounds, $1.4B raised by 45 companies, Jan 2, 2023 to Nov 14, 2026, 6% of Cybersecurity AI capital. Top three companies: Abnormal Security 18%, Sublime Security 17%, Adaptive Security 9%.
| Company | HQ | Capital raised | Rounds | Exit |
|---|---|---|---|---|
| Abnormal Security | United States | $250M | 1 | — |
| Sublime Security | United States | $230M | 3 | — |
| Adaptive Security | United States | $124M | 3 | — |
| Guardio | Israel | $120M | 2 | — |
| Doppel | United States | $119M | 3 | — |
| AegisAI | United States | $49M | 2 | — |
| Blackbird.AI | United States | $48M | 2 | — |
| DataDome | United States | $42M | 1 | — |
| Outtake | United States | $40M | 1 | — |
| Resistant AI | Czech Republic | $36M | 2 | — |
| imper.ai | Israel | $34M | 2 | — |
| Ocean | Israel | $20M | 1 | — |
| Alethea | United States | $20M | 1 | — |
| Darwinium | United States | $18M | 1 | — |
| GetReal Security | United States | $18M | 1 | — |
| Clarity | United States | $16M | 1 | Acquired |
| Reality Defender | United States | $15M | 2 | — |
| Zepo Intelligence | United States | $15M | 1 | — |
| Bolster | United States | $14M | 1 | — |
| Scamnetic | United States | $13M | 1 | — |
| ThreatFabric | Netherlands | $13M | 1 | — |
| AcoruAI | Spain | $12M | 1 | — |
| Apate.AI | Australia | $11M | 2 | — |
| EchoMark | United States | $10M | 1 | — |
| StrongestLayer | United States | $9.3M | 2 | — |
| Company | Amount | Stage | Announced |
|---|---|---|---|
| Abnormal Security | $250M | Series D | Aug 6, 2024 |
| Sublime Security | $150M | Series C | Oct 28, 2025 |
| Adaptive Security | $81M | Series B | Dec 16, 2025 |
| Guardio | $80M | Series B | Nov 19, 2025 |
| Doppel | $70M | Series C | Nov 19, 2025 |
| Sublime Security | $60M | Series B | Dec 12, 2024 |
| Adaptive Security | $43M | Series A | Apr 2, 2025 |
| DataDome | $42M | Series C | Mar 30, 2023 |
| Guardio | $40M | Unlabeled | Sep 4, 2026 |
| Outtake | $40M | Series B | Jan 28, 2026 |