> ## Documentation Index
> Fetch the complete documentation index at: https://docs.katyar.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Semantic Protection & Threat Detection

Traditional WAFs stop network attacks — Katyar stops **semantic attacks** that target LLM reasoning.

### Key Features

* Prompt injection & jailbreak detection (direct + indirect)
* PII / sensitive data detection & masking (email, phone, SSN, credit card, custom patterns)
* Secrets leakage prevention (API keys, tokens, connection strings)
* Output scanning for harmful / off-policy content
* Powered by guard models (LlamaGuard-style) + rule engines — sub-100ms latency
* Configurable actions: block, mask, log, custom reply to agent

### Outcomes

* Blocks 90%+ of common prompt-injection attacks before they reach tools
* Prevents accidental or malicious PII exfiltration
* Gives security teams visibility into attempted exploits