Insecure trade assistant

[bazhil]

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Proposed changes

This PR represents a new example for the OWASP Agentic Security Initiative.

• The agent was implemented using the OpenAI framework.
• The scenario demonstrates some attacks to AI agent and defence for it.
• For research, the attack was tested on GPT-4o-mini, with input tickers, extended with insecure prompts.
• No external calls or real data collection is performed — the project is purely illustrative.

Types of changes

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• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Documentation Update (if none of the other choices apply)

Checklist

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Further comments

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[hoeg]

Hi @bazhil, thank you for the PR. We will take a look at it 👌