Resources

100 Security for AI Apps resources for developers

Securing AI applications requires a shift from traditional perimeter defense to mitigating probabilistic risks such as prompt injection, data leakage through model outputs, and unauthorized API usage. This resource guide provides a curated list of tools and frameworks specifically designed to address the OWASP LLM Top 10 vulnerabilities and secure the infrastructure surrounding large language models.

Prompt Injection & Input Validation

  1. 1

    Rebuff

    intermediatehigh

    An open-source multi-layered self-hosted prompt injection detector that uses heuristics, vector lookups, and LLM-based analysis.

  2. 2

    NeMo Guardrails

    advancedhigh

    NVIDIA's toolkit for defining programmable guardrails using Colang to ensure LLM interactions stay within predefined safety boundaries.

  3. 3

    Guardrails AI

    beginnerstandard

    A framework for adding structural, type, and quality validation to LLM outputs using Pydantic-style schemas.

  4. 4

    Lakera Guard

    beginnerhigh

    An enterprise-grade API for real-time protection against prompt injection, jailbreaking, and PII leakage.

  5. 5

    Promptfoo

    intermediatestandard

    A CLI tool and library for testing prompt quality and security by running test cases against multiple models simultaneously.

  6. 6

    Garak

    advancedstandard

    An LLM vulnerability scanner that probes models for known weaknesses including hallucination, jailbreaks, and data extraction.

  7. 7

    PyRIT

    advancedhigh

    Microsoft's Python Risk Identification Tool for red teaming generative AI systems to identify security and fairness risks.

  8. 8

    LLM-Security-Scanner

    beginnerstandard

    A lightweight tool for scanning prompt templates for common injection patterns before deployment.

  9. 9

    Prompt Armor

    intermediatemedium

    A security proxy layer that sits between your application and the LLM provider to filter malicious payloads.

  10. 10

    Vigil

    intermediatemedium

    A security scanner for LLM prompts that detects prompt injection and jailbreak attempts using a signature-based approach.

Data Privacy & PII Protection

  1. 1

    Microsoft Presidio

    intermediatehigh

    An open-source data protection SDK that provides PII identification and anonymization for text and images.

  2. 2

    LLM Guard

    intermediatehigh

    A comprehensive tool for both input and output sanitization, including PII detection, toxicity filtering, and secret detection.

  3. 3

    Private AI

    beginnerstandard

    A high-accuracy PII redaction API that supports over 50 languages and can be deployed on-premise to maintain data residency.

  4. 4

    Skyflow

    advancedhigh

    A data privacy vault that allows developers to isolate, protect, and govern sensitive customer data used in LLM workflows.

  5. 5

    LangChain Privacy Filters

    beginnerstandard

    Built-in document transformers for LangChain to scrub sensitive data from documents before they are indexed in vector stores.

  6. 6

    Cape Privacy

    advancedmedium

    An API for encrypted LLM processing that ensures the model provider never sees the raw underlying data.

  7. 7

    IronCore Labs Cloak

    advancedstandard

    Transparent application-layer encryption for data stored in vector databases like Pinecone or Weaviate.

  8. 8

    AWS Bedrock Guardrails

    beginnerhigh

    Managed service to filter toxic content and PII from inputs and outputs specifically for models hosted on AWS Bedrock.

  9. 9

    Hugging Face SafeTensors

    intermediatestandard

    A simple, fast, and safe file format for storing tensors that prevents arbitrary code execution during model loading.

  10. 10

    Anonymized RAG

    intermediatemedium

    Implementation pattern using hashing or tokenization for document metadata to prevent LLM reconstruction of user identities.

Infrastructure & Secret Management

  1. 1

    HashiCorp Vault LLM Engine

    intermediatehigh

    Manage and rotate LLM API keys dynamically to prevent long-lived credential exposure in environment variables.

  2. 2

    AWS KMS Envelope Encryption

    advancedstandard

    Encrypting high-dimensional vectors in databases using unique keys to ensure data at rest is unreadable without specific IAM roles.

  3. 3

    Cloudflare Gateway for AI

    beginnerhigh

    An egress proxy that provides visibility, rate limiting, and security filtering for all outbound LLM API requests.

  4. 4

    Pinecone RBAC

    intermediatestandard

    Role-Based Access Control for vector namespaces to ensure users only query segments of the vector database they are authorized to access.

  5. 5

    LangSmith Audit Logs

    beginnerstandard

    Detailed tracing and logging of all LLM inputs and outputs to provide an audit trail for compliance and security forensics.

  6. 6

    Snyk Code for AI

    beginnerstandard

    Static analysis tool configured to detect insecure patterns in LLM orchestration code, such as unsanitized prompt templates.

  7. 7

    Tailscale for GPU Clusters

    intermediatemedium

    Zero-trust networking to secure communications between application servers and private self-hosted GPU inference nodes.

  8. 8

    Istio Egress Gateways

    advancedstandard

    Restricting LLM application pods to only communicate with verified model provider endpoints (e.g., api.openai.com).

  9. 9

    GitHub Secret Scanning

    beginnerhigh

    Automated detection of leaked OpenAI, Anthropic, and Hugging Face tokens within private and public repositories.

  10. 10

    Docker Scout

    beginnerstandard

    Vulnerability scanning for container images containing AI runtimes and libraries like PyTorch or TensorFlow.