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NexusNest vs Prompt Security
NexusNest runs self-hosted or fully air-gapped, redacts PDFs and images at pixel level, and manages ChatGPT, Claude and Claude Code seats, none of which Prompt Security states. It deploys as one MDM agent with no browser extension, and its SaaS runs in India.
Prompt Security: “Discover and inventory AI tool usage across your workforce in real time” · SentinelOne, acquired 2025
At a glanceNexusNestPrompt Security
- How it is deployed
- NexusNestYesOne agent on Mac and Windows, rolled out through MDM. No browser extension.
- Prompt SecurityYesBrowser extension plus a lightweight agent for desktop AI, IDEs and terminal assistants
- Self-hosted or air-gapped
- NexusNestYesOur cloud, or self-hosted in your cloud or data centre, including fully air-gapped.
- Prompt SecurityNot statedCloud console in SentinelOne Singularity; self-hosted not stated
- AI tools covered
- NexusNestYesRedacts ChatGPT, Codex, Claude, Claude Code, Gemini, Copilot, Cursor, Perplexity, Grok and MCP servers. Spots Mistral, DeepSeek, OpenRouter and more as shadow AI.
- Prompt SecurityYesClaims 15,000+ AI tools; names ChatGPT, Claude Code, GitHub Copilot and Cursor
- Sensitive data in prompts
- NexusNestYesRedacts to labelled placeholders like [PERSON_1]. Each category can redact, flag, block or stay off.
- Prompt SecurityYesRedacts PII and secrets inline and coaches employees instead of blocking
- AI still gives a useful answer
- NexusNestYesYes. The prompt still goes through, so the AI answers from the structure.
- Prompt SecurityPartlySays redaction is not all-or-nothing blocking; placeholder details not stated
- File uploads
- NexusNestYesPDFs and images redacted pixel by pixel, documents converted to redacted text, on ChatGPT, Claude and Gemini.
- Prompt SecurityNot statedFile upload specifics not detailed on pages checked
- AI usage analytics
- NexusNestYesUsage by person, department and tool, redaction counts, topics and scheduled reports.
- Prompt SecurityYesDashboard of prompts, violations prevented and usage trends; shadow AI discovery
- AI account and seat management
- NexusNestYesCreate, assign and revoke ChatGPT, Claude and Claude Code seats, with usage, quotas and vendor invoices.
- Prompt SecurityNot statedNot stated
- Audit trail and SIEM
- NexusNestYesHash-chained admin audit log, JSON API and signed webhook to your SIEM.
- Prompt SecurityPartlyFull audit trail of prompts, redactions and actions; SIEM export and retention not stated
- India hosting and DPDP
- NexusNestYesHosted in India, India identifiers like Aadhaar, PAN and UPI built in, mapped to DPDP Rule 6.
- Prompt SecurityNot statedResidency and DPDP not stated
Where NexusNest is different
- Runs self-hosted or fully air-gapped on your own Kubernetes or Docker infrastructure. Prompt Security states a cloud console only.
- Redacts files on ChatGPT, Claude and Gemini web, PDFs and images at pixel level, up to 25 MB. File upload specifics are not detailed by Prompt Security.
- Manages ChatGPT, Claude and Claude Code seats, with SaaS in Azure Central India. Neither is stated by Prompt Security.
Choose NexusNest if
- You prefer one MDM-deployed agent to a browser extension.
- You need self-hosted, air-gapped or India-hosted deployment.
- You want seat management and a hash-chained admin audit log with SIEM export.
Questions buyers ask
- What is the best Prompt Security alternative?
- NexusNest is the Prompt Security alternative if you want self-hosted or air-gapped deployment, India hosting and AI account management alongside redaction. It deploys as one agent with no browser extension.
- What are the main Prompt Security alternatives and competitors?
- Prompt Security competitors include Harmonic Security, Nightfall AI, Lakera and Lasso Security. NexusNest adds self-hosting, pixel-level file redaction and AI seat management in one agent.
- Prompt Security vs NexusNest: what is the difference?
- Both redact prompts. NexusNest adds self-hosted and air-gapped deployment, pixel-level file redaction and seat management, none of which Prompt Security states, and needs no browser extension.
- Does Prompt Security redact prompts?
- Yes. SentinelOne's pages describe redacting PII and secrets inline and coaching employees, with placeholder specifics not stated. NexusNest redacts to named placeholders like [PERSON_1] and [SSN_1] and also redacts PDFs and images.
- Does Prompt Security work with ChatGPT and Claude Code?
- Prompt Security names ChatGPT, Claude Code, GitHub Copilot and Cursor. NexusNest covers ChatGPT, Codex, Claude, Claude Code, Cursor, Copilot, Gemini and MCP servers with one agent on Mac and Windows, and it manages ChatGPT, Claude and Claude Code seats, which Prompt Security does not state.
- Does Prompt Security offer on-premise or India hosting?
- Prompt Security runs from a cloud console in SentinelOne Singularity. Self-hosting, residency and DPDP are not stated. NexusNest can run in your cloud or data centre, fully air-gapped, or as SaaS in India, with Aadhaar, PAN and UPI built in and mapped to DPDP Rule 6.
Competitor details are based on each vendor's public website as of October 2026.
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