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Expert insights on AI security, cybersecurity best practices, and cutting-edge security tools

Latest Blog Articles

Prompt Leaking: How System Prompts Leak and How to Stop It

How attackers extract system prompts and sensitive context — refusal loops, encoding tricks, context switching — and the defenses that work: canary tokens, output filtering, generation-time enforcement.

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ReskSafety: The Deployable Open-Source LLM Firewall

Meet ReskSafety: an OpenAI-compatible LLM firewall with RBAC capability bitmasks, editable filtering policies, multi-provider routing, and a full admin console. Try it live at demo.resk.fr.

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Self-Host an LLM Firewall with Docker in Minutes

A step-by-step guide to deploying ReskSafety — an open-source, OpenAI-compatible LLM firewall — on your own infrastructure with Docker Compose, from clone to enforced policies.

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Capability Bitmasks: Real RBAC for LLM Applications

Why LLM apps need per-user permission enforcement, and how 64-bit capability bitmasks enforce least privilege at the token level — so unauthorized content is never generated.

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LLM Guardrails vs LLM Firewalls: Which One Do You Need?

Guardrails shape behavior; firewalls enforce boundaries. Where each fails, and how production systems combine both.

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Tool Permissions for AI Agents: Least Privilege in Practice

Agents with tools are privileged insiders. Capability bitmasks, generation-time gating, and post-call verification — applied step by step.

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Shadow Banning: Filter LLM Output Without Breaking the User Experience

Hard blocks crash conversations. Shadow banning makes harmful output statistically vanish — silent, invisible, jailbreak-resistant.

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8 Open Source Libraries to Secure Your LLM Applications

Discover the RESK open-source ecosystem: 8 free libraries to secure your LLM applications across Python, TypeScript, and Bun. Free on GitHub, PyPI, and npm.

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AI Red Teaming: The Complete Guide to LLM Security Testing

Master AI red teaming: adversarial testing techniques, prompt injection simulations, jailbreak detection, and how to harden LLM applications against real-world attacks.

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MCP Security: Protecting AI Agents from Model Context Protocol Threats

Understand the security risks of the Model Context Protocol and how resk-mcp protects AI agents from tool-based attacks and prompt injection through tool outputs.

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End-to-End Encryption for AI Conversations: The ReskCrypt Approach

Protect sensitive AI conversations with end-to-end encryption. Discover ReskCrypt's cryptographic approach to LLM data privacy and policy-based access.

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The Complete Guide to Securing AI Applications

Comprehensive guide to implementing robust security measures for AI applications. Covers threat landscape, secure architecture, and the RESK Security Framework for enterprise environments.

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Understanding and Preventing Prompt Injection Attacks

In-depth analysis of prompt injection vulnerabilities in large language models. Research findings on attack vectors, detection methods, and effective prevention strategies.

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Zero Trust AI Security Architecture

Implementing Zero Trust principles in AI systems. Research on trust boundaries, continuous verification, and securing AI workloads in modern enterprise environments.

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Enterprise AI Governance Framework

Establishing robust governance frameworks for enterprise AI deployments. Research on risk management, compliance requirements, and organizational best practices.

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AI Security Best Practices for Developers

Essential security practices for AI application development. Research-backed recommendations for secure coding, testing, and deployment of AI systems.

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LLM Security Best Practices Guide

Comprehensive security guidelines for Large Language Model implementations. Research findings on common vulnerabilities and protection strategies.

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Implementing RESK-LLM Security Framework

Technical guide for implementing the RESK-LLM security framework. Step-by-step instructions and configuration examples for secure LLM deployments.

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