prompt-injection

6 posts.

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  MCP Attacks on Xata and GitHub MCP: Read-Only Bypass and Issue InjectionDay 8 / 100 · AI cybersecurity

  Two MCP lab walkthroughs: a read-only SQL bypass, a GitHub issue injection, and the model refusals and fixture changes that limited what the results established.

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  MCP security labs: path bypasses and poisoned tool responsesDay 7 / 100 · AI cybersecurity

  Two MCP labs showed different failures at the same boundary: a filesystem server trusted a string prefix, while a facts server poisoned the agent's next tool call.

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  MCP security: when prompt injection gets a toolDay 5 / 100 · AI cybersecurity

  MCP makes it easier for AI systems to use external tools. It also connects model behaviour to permissions, private data, and real actions.

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  Poisoning an AI assistant's memoryDay 4 / 100 · AI cybersecurity

  Lakera's MindfulChat challenge made persistent memory feel like a real application attack surface, not just a model prompt.

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  An interactive playground for LLM security testingDay 3 / 100 · AI cybersecurity

  I worked through an interactive OWASP LLM Top 10 playground and found a useful starting map, a few strong concepts, and several labs that needed more explanation.

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  Web LLM attacks, deeper into indirect prompt injectionDay 2 / 100 · AI cybersecurity

  Indirect prompt injection and insecure output handling showed me that an LLM can turn ordinary application content into an attack path.