VendorAI firewalls and guardrailsWorkforce AI usage securityAI model and agent security
Prompt Security
Prompt Security is filed under AI firewalls and guardrails, Workforce AI usage security and AI model and agent security in the CISO Tribune vendor directory. No page on cisonews.ai names it yet; what it sells, and the source for every fact, is on its CISO Tribune company page.
- Website
- prompt.security
- Primary category
- AI firewalls and guardrails
- Headquarters
- HQ not established
- Founded
- 2023
- Ownership
- Owned by SentinelOne since 2025
- Company record
- Prompt Security on cisotribune.com
Directory data as of November 7, 2026 · Updated
On cisonews.ai, newest first
0 pagesNo incident, regulation entry, explainer or glossary term on cisonews.ai names Prompt Security yet. The vendor map lists every company in its categories.
Its categories
- AI firewalls and guardrails · primary
- Inline filters that inspect prompts, responses and tool calls of AI applications an organization builds.
- Workforce AI usage security
- Discovery and control of employees' use of third-party AI tools, including data sent to them.
- AI model and agent security
- Scanning, red-teaming and runtime monitoring of models, AI applications and autonomous agents for attacks and unsafe behaviour.
For what each AI security category defends against, see what the AI security vendor categories mean.
The record above is the CISO Tribune vendor directory’s; what Prompt Security sells, and the source for every fact, is on its company page there.