
Use AI tools safely across your company
Boost employee productivity with generative AI without risking data security. Nex Firewall acts as a non-intrusive layer guaranteeing secure corporate access to public LLMs.
The risk of unregulated employee access to public AI models
When corporate policies simply ban AI tools, employees do not stop using them—they merely hide their behavior. This unregulated adoption creates severe operational and legal threats across your organization:
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The Shadow AI Trap - Staff copying customer databases, financial projections or internal emails into public tools unintentionally trains external models on your private assets.
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The Data Privacy Breach - Uploading personally identifiable information (PII) of European citizens into public artificial intelligence models violates foundational data privacy laws, leaving your firm exposed to massive regulatory liabilities.

Achieve full visibility and control with our secure enterprise LLM access gateway
Nex Firewall replaces blunt web blocks with intelligent, real-time oversight. Operating as an enterprise-grade proxy, it delivers complete corporate shadow AI prevention by automatically intercepting, analyzing, and managing all outbound generative AI traffic.
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Frictionless user experience - Employees continue using their preferred public tools like ChatGPT, Claude or Microsoft Copilot exactly as they do today, with zero interface changes.
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Centralized workplace controls - HR and security leads can instantly define, adjust and enforce smart usage boundaries across various departments from a single control center.
Core capabilities for Corporate Shadow AI prevention
Real-time Data privacy controls for Public LLMs
Take control of what leaves your network. Nex Firewall delivers proactive GenAI data privacy EU protections by scanning every prompt sent from corporate devices in real time.
Our advanced semantic inspection engine deciphers user intent, ensuring that high-value strategic plans, sensitive company emails, and intellectual property items are caught instantly at the network boundary and blocked from being uploaded to external public model providers.
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Smart PII Masking and GDPR compliant AI access
Enforce regional privacy laws automatically without slowing down your teams. Nex Firewall provides GDPR compliant AI access by featuring an inline Data Loss Prevention (DLP) engine that recognizes and strips sensitive fields.
Before a prompt leaves your network, details like names, addresses, health data or national identity codes are completely masked. The external AI model processes the request safely and the original text is restored for the user locally.
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Context-aware Prompt filtering to stop sensitive data leaks
Simple keyword blocking is outdated and easily bypassed by smart users. Nex Firewall utilizes advanced, context-aware semantic filtering to deliver unparalleled safeguard employee chatgpt usage standards.
Our firewall understands the actual meaning behind uploaded documents or chat boxes, preventing clever variations of data leakage, code copying or unauthorized file uploads while safely permitting benign business inquiries.
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Complete visibility into corporate GenAI data usage
You cannot manage what you do not track. Nex Firewall transforms your unmanaged workforce traffic into a clear, visual stream of actionable business intelligence.
The gateway builds comprehensive analytics dashboards mapping precisely which AI applications are being utilized, which teams drive adoption and how many leak attempts were neutralized, giving management the empirical data needed to guide future corporate AI integration strategies safely.
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Easthampstead Road
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+44 (7887) 505 116
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Freyova 1/12
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190 00 Prague
+420 (730) 561 700
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A-1210 Vienna
+43 (660) 400 1409
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