[API Security & Data Protection Blog]

Guides, best practices, and product updates on securing API traffic, detecting sensitive data, and staying compliant.

Security

OpenAI Privacy Filter: A New PII Model You Can Run Locally

OpenAI released Privacy Filter, an open-weight 1.5B-parameter MoE model for PII redaction. Here's what it detects, how it compares, and where it fits in a real pipeline.

Ben @ Grepture

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Securing MCP Connections Through Your AI Gateway

MCP gives AI agents access to your tools and data. Here's how to monitor, inspect, and block malicious MCP traffic at the gateway layer.

Security

Best Open Source Models for PII Redaction

Compare the best open source models for PII detection and redaction in AI pipelines — GLiNER, DeBERTa, Piiranha, StarPII, and more.

Security

Indirect Prompt Injection: The Attack That Hides in Your Data

Direct prompt injection is obvious — a user types something malicious. Indirect injection is invisible: poisoned documents, emails, and web pages that hijack your AI when it reads them. Here's how it works, real incidents, and how to defend against it.

Security

Your LLM Observability Tool Is Logging PII — Here's How to Fix It

How to Secure Your RAG Pipeline: Preventing Data Leaks in Retrieval-Augmented Generation

Why Your AI Agents Are Leaking Data (And How to Stop Them)

How to Prevent Sensitive Data Leaks in LLM API Calls

Prompt Injection Prevention for Production LLM Apps

PII Detection Best Practices for AI Pipelines