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AI Security

In-depth guides and analysis on ai security from the Safeguard engineering team.

779 articles

AI Security

Tool Poisoning Attacks: How Malicious Instructions Hide I...

AI agent tools can hide invisible instructions attackers use to steal data. Here's how tool poisoning attacks work and how Safeguard stops them.

Jul 22, 20256 min read
AI Security

Model Context Protocol Security 101: What Could Go Wrong ...

MCP lets AI models call tools automatically — and lets malicious servers hide instructions in plain sight. Here's how tool poisoning, rug pulls, and shadowing actually work.

Jul 22, 20257 min read
AI Security

Agent Skill Marketplaces as the Next Frontier for Supply ...

Agent skill marketplaces are repeating npm and PyPI's supply chain mistakes—except the malicious payload is often a sentence of instructions, not code. Here's what's already been exploited.

Jul 22, 20257 min read
AI Security

Prompt Injection vs Traditional Injection Attacks: A Tech...

SQL injection was solved by separating code from data. Prompt injection can't be, because in an LLM they share one channel. Here's the technical comparison, with real exploits and dates.

Jul 22, 20258 min read
AI Security

Why Autonomous Coding Agents Need Their Own Threat Model

Coding agents run with real credentials and no pause button. Here is the threat model that treats them as autonomous infrastructure, not junior developers.

Jul 21, 20257 min read
AI Security

The Jailbreaking Economy: How Model Vulnerabilities Get D...

Jailbreak prompts now trade like exploits: sold as $200/month "dark" chatbots, bountied by vendors for up to $15,000. Here's how that market actually works.

Jul 21, 20258 min read
AI Security

Least Privilege for AI Agents: Why It's Harder Than It So...

AI agents break least-privilege assumptions built for humans: they chain tools, act autonomously, and compose narrow scopes into broad access no one reviewed.

Jul 21, 20257 min read
AI Security

Distinguishing Model Risk from Application Risk in Agenti...

Model flaws and application flaws in AI agents cause different breaches and need different fixes. Real incidents show where each risk actually lives — and how to test for both.

Jul 21, 20257 min read
AI Security

How Malicious Payloads Get Smuggled Into Trusted AI Skill...

Attackers smuggle malicious payloads into trusted AI skill repositories via typosquats, staged fetches, and split-file obfuscation — here is exactly how it works.

Jul 20, 20258 min read
AI Security

What an AI Model Risk Registry Should Actually Track

Most AI model inventories are name-and-owner spreadsheets. Here's the provenance, licensing, CVE, and revalidation fields a real AI model risk registry needs to track.

Jul 20, 20257 min read
AI Security

Agentic AI Security Glossary: Tool Poisoning, Prompt Inje...

A precise glossary of agentic AI security terms — prompt injection, tool poisoning, model jailbreaking, excessive agency, and MCP rug pulls — with concrete attack examples.

Jul 20, 20258 min read
AI Security

MCP Server Permissions: A Practical Checklist for Reducin...

A practical checklist for scoping MCP server permissions, denying risky defaults, and limiting the blast radius when an AI agent's tool access is exploited.

Jul 20, 20258 min read

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AI Security (Page 62) — Supply Chain Security Blog | Safeguard