Security | Threat Detection | Cyberattacks | DevSecOps | Compliance

Why Data Masking Breaks AI Workflows (And What Works Instead)

What if masking sensitive data actually broke your AI application? Most AI security strategies start with a simple rule: mask sensitive information before it reaches the LLM. But real AI workflows are more complex. An AI agent might need to search a CRM, retrieve a contract, check account details, call external tools, and generate a response. Each step may require a different level of access to sensitive data.

PDF Data Masking: The Missing Security Step in Document AI

PDF data masking is the security step most document AI stacks skip. Most companies building RAG pipelines, agentic workflows, or document intelligence systems have secured the model, the vector store, and the API. They haven’t secured the step before any of that: the data inside the document itself, before it enters the pipeline. That gap shows up everywhere documents meet AI.

Your AI Agents Need Data. But Should They See It? | LibreChat + Protecto

Can enterprises use powerful AI models with sensitive data without forcing everything into a self-hosted model? That's the problem this demo explores. In this session, we demonstrate Protecto Privacy Gateway integrated with LibreChat and show how sensitive enterprise data can be protected across AI chat, RAG, agents, MCP/tool calls, and long-running conversations.

How Protecto's Privacy Gateway protects data inside LibreChat

Self-hosting LibreChat gives you control over your chat infrastructure and conversation storage. But when you connect a hosted model such as OpenAI or Gemini, the prompts and context you send can still expose sensitive data. Protecto Privacy Gateway for AI Chat sits in that gap, in the request path between your LibreChat instance and whichever model you’ve connected.

Protect Sensitive Data in LibreChat with Protecto | PII Masking Demo

Most DLP tools can mask a PII value on the way into a model. Almost none of them can make that value usable again when the AI needs to call a tool with it, so the masking breaks the workflow instead of protecting it. This is Protecto Privacy Gateway for AI Chat, live in a self-hosted LibreChat deployment. Watch what happens when a masked account number needs to resolve at a tool boundary — and comes back correct.