The first layer in prompt injection security
Large Language Models are vulnerable to trickery. AI apps and agents need multiple layers of defense. Start with PID:one's prompt injection detection rules and get visibility into sneaky attacks.

Advanced Security Features
Instant Detection
Near real-time prompt injection detection with sub-millisecond latency. Identify and block malicious prompts before they reach your AI models and other sensitive systems.
Multi-language Support
Leverage our rules in any programming environment with native YARA implementations for Python, JavaScript, Go, Java, Ruby, C#, and more. No matter your tech stack, you're covered.
Flexible Rule Selection
Choose the rules that best fit your needs. Customize protection levels for different applications or environments.
How It Works
1. Subscribe
Subscribe to the PID:one Service to get started with enterprise-grade prompt injection protection.
2. Access Rules
Access our curated prompt injection detection rules via GitHub or container image.
3. Implement
We'll help you bring those rules into your AI app, agent, or security tools to get visibility into attacks and secure your AI tools.
Our Latest Insights
OWASP LLM01:2025 - Prompt Injection Number One on the OWASP LLM Top 10
OWASP believes prompt injection is a big problem, that there is an underlying stochastic nature...
What Are Yara Rules and What Are They Good For?
Pattern matching is a powerful technique for detecting malicious activity. YARA rules are a way...
A Basic Introduction to Prompt Injection
We can program AI with natural language, for example English instructions. But if we can...