# AI Cyber Defense: the tools companies use

178 companies on usedby use at least one of the 8 tools in this category with a public customer. Abnormal AI leads with 43 companies. Counts are of companies on usedby, not of the whole market. Latest check 2026-10-07: 185 of 185 public lines checked.

> AI that detects, investigates and responds to cyberattacks, from email and network threats to autonomous SOC and pentesting.

Family: [Engineering & Data](https://www.usedby.ai/tools/category/engineering-data.md)

## Ranking

Public customers count every public line, job-post signals included; ties share a rank.

| Rank | Tool | Public customers | Confirmed | Observed | Signals |
|---|---|---|---|---|---|
| 1 | [Abnormal AI](https://www.usedby.ai/tools/abnormal-ai.md) | 43 | 30 | 13 | 0 |
| 2 | [SentinelOne](https://www.usedby.ai/tools/sentinelone.md) | 36 | 19 | 17 | 0 |
| 3 | [Vectra AI](https://www.usedby.ai/tools/vectra-ai.md) | 35 | 32 | 3 | 0 |
| 4 | [Torq](https://www.usedby.ai/tools/torq.md) | 27 | 8 | 19 | 0 |
| 5 | [Darktrace](https://www.usedby.ai/tools/darktrace.md) | 16 | 10 | 6 | 0 |
| 6 | [XBOW](https://www.usedby.ai/tools/xbow.md) | 14 | 7 | 7 | 0 |
| 7 | [Dropzone AI](https://www.usedby.ai/tools/dropzone-ai.md) | 10 | 3 | 7 | 0 |
| 8 | [7AI](https://www.usedby.ai/tools/7ai.md) | 4 | 1 | 3 | 0 |

Tools in this category without a public customer yet: [Horizon3.ai NodeZero](https://www.usedby.ai/tools/horizon3-ai.md).

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Source: https://www.usedby.ai/tools/category/ai-cyber-defense · How we check: https://www.usedby.ai/methodology