Wed. Feb 11th, 2026

The AI Firewall: Using Local Small Language Models (SLMs) to Scrub PII Before Cloud Processing


As organizations increasingly rely on powerful cloud-based AI services like GPT-4, Claude, and Gemini for sophisticated text analysis, summarization, and generation tasks, a critical security concern emerges: what happens to sensitive data when it’s sent to external AI providers?

Personal Identifiable Information (PII) — including names, email addresses, phone numbers, social security numbers, and financial data — can inadvertently be exposed during cloud AI processing. This creates compliance risks under regulations like GDPR, HIPAA, and CCPA, and opens the door to potential data breaches.

By uttu

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