# Security: the tools companies use

471 companies on usedby use a tool of its 5 categories with a public customer. Each category ranks its own tools: tools of different jobs are not ranked against each other. Counts are of companies on usedby, not of the whole market. Latest check 2026-10-14: 513 of 513 public lines checked.

> AI for threat detection, application security, data and AI governance, compliance, and fraud and money-laundering prevention.

## Categories

- [Threat detection & SOC](https://www.usedby.ai/tools/category/ai-cyber-defense.md): 163 companies, 7 tools with a public customer; most used: Abnormal AI
- [Fraud & AML](https://www.usedby.ai/tools/category/fraud-aml.md): 136 companies, 7 tools with a public customer; most used: Unit21
- [Application security & pentesting](https://www.usedby.ai/tools/category/application-security.md): 70 companies, 3 tools with a public customer; most used: Snyk
- [Compliance automation](https://www.usedby.ai/tools/category/compliance-automation.md): 68 companies, 2 tools with a public customer; most used: Vanta
- [AI & data security](https://www.usedby.ai/tools/category/ai-security-governance.md): 58 companies, 6 tools with a public customer; most used: Cyera

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Source: https://www.usedby.ai/tools/category/security · How we check: https://www.usedby.ai/methodology