Topic

Security testing

3 articles on this topic from the NullSquare blog.

AI security

MCP security: threat model, risks, and production tests

August 28, 202614 min read

MCP security: threat model, risks, and production tests

A production-focused MCP security guide that turns tool poisoning, authorization, state, token, and runtime risks into explicit security boundaries and reproducible tests.

AI security Agent security Security testing Prompt injection

Agent security

AI agent memory needs its own security boundary

July 26, 20266 min read

AI agent memory needs its own security boundary

Persistent memory turns one hostile input into a cross-session risk. Secure the write, retrieval, action, and recovery paths as one system.

Agent security AI securityMemory poisoningPrompt injection Security testing

AI security

Persona is the hidden variable in agent behavior

July 4, 20264 min read

Persona is the hidden variable in agent behavior

NullSquare open-sourced Agent Behavior Lab so teams can measure how personas, tool definitions, histories, and model families shift agent safety.

AI security Prompt injection Agent securityModel governanceSecurity testing