Cisco AI Defense vs Zscaler AI vs Prompt Security vs Robust Intelligence
A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.
Cisco AI Defense
Cisco's integrated AI security suite
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Zscaler AI
Zero Trust's AI arm: discovering shadow AI and guarding it
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Prompt Security
Inline LLM application security gateway
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Robust Intelligence
AI security platform — acquired by Cisco
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| RECATOOLS Score | 7.4 / 10 | 7 / 10 | 6.7 / 10 | 7.3 / 10 |
| Capability | ||||
| Value for money | ||||
| Ease of use | ||||
| ASEAN readiness | ||||
| API quality | ||||
| Pricing | Enterprise | Enterprise | Enterprise | Enterprise |
| Free tier | — | — | — | — |
| Paid from | — | — | — | — |
| Has API | ✗ | ✓ | ✗ | ✗ |
| Open source | ✗ | ✗ | ✗ | ✗ |
| Free to use | ✗ | ✗ | ✗ | ✗ |
| Users | — | — | — | — |
| Founded | 2024 | 2024 | 2023 | 2019 |
| Maker | — | — | — | — |
| Verdict | Cisco AI Defense is a serious enterprise-grade play for securing AI and agentic workloads end to end: model and MCP discovery, algorithmic red teaming, AI supply-chain scanning, and runtime guardrails against prompt inje... |
Zscaler's AI push targets a problem that's now unavoidable for large enterprises: employees and developers are already using AI tools security has no visibility into. The AI Security Suite, launched January 2026, splits... |
Prompt Security is a pioneer in securing generative and agentic AI at runtime, giving organisations visibility into how employees and apps use AI, what data is being shared, and enforcement against prompt injection, sens... |
Robust Intelligence is an AI security platform offering automated red-teaming, an AI firewall and runtime guardrails to protect LLM and ML applications from prompt injection, data leakage, jailbreaks and unsafe outputs.... |
| Full review → | Full review → | Full review → | Full review → |
Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.