INS Security Blog

Deep dives into MCP security, AI agent threats, detection strategies, and best practices for protecting your AI infrastructure.

Threats April 26, 2026

Anthropic MCP STDIO RCE: 11 CVEs, 150M Downloads, and the Case for External Gateways

A systemic flaw in Anthropic's MCP STDIO transport exposes 200,000+ AI servers. Anthropic declined to patch the protocol. Here is what to do now.

Guide April 9, 2026

Setting Up an MCP Security Gateway: Architecture and Deployment Guide

Architecture overview, deployment patterns, configuration, and policy setup for securing your MCP infrastructure.

Best Practices April 8, 2026

AI Agent Security Best Practices for 2026

Comprehensive guide covering least privilege, input validation, output scanning, session management, and monitoring for AI agents.

Compliance April 6, 2026

How to Audit AI Agent Tool Calls: A Complete Guide

Why audit trails matter, what to log, session correlation, and compliance requirements for SOC 2 and GDPR.

Threats April 5, 2026

Data Exfiltration Through AI Agents: Attack Vectors and Defenses

How attackers use AI agents to extract sensitive data across multiple tool calls and how to detect multi-step exfiltration chains.

Compliance April 4, 2026

OWASP LLM Top 10 (2025): A Practical Compliance Guide for AI Teams

Walk through each of the OWASP LLM Top 10 items, understand the risks, and learn practical mitigation strategies.

Architecture April 2, 2026

MCP Proxy vs API Gateway: Which One Secures Your AI Agents?

Compare traditional API gateways with MCP-aware proxies. What works, what doesn't, and why MCP needs specialized security.

Data Protection April 1, 2026

How to Prevent PII Leaks in AI Agent Workflows

Types of PII exposure in MCP workflows, detection approaches, masking strategies, and compliance implications.

Threats March 30, 2026

Rug Pull Attacks on MCP Tools: The Silent Threat to AI Agent Security

How tool descriptions can be silently modified after approval, and why SHA-256 hashing is essential for detection.

Threats March 28, 2026

MCP Tool Poisoning Attacks: How Malicious Tool Descriptions Compromise AI Agents

Deep dive into tool poisoning attack vectors, real examples of malicious tool descriptions, and detection methods.

Fundamentals March 25, 2026

What Is MCP Security? A Complete Guide to Securing Model Context Protocol

Everything you need to know about MCP, its attack surfaces, and how to protect your AI agent infrastructure.

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