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Firmulate — Someone Pretended to Be the CEO. Every Single AI Refused.
Live on firmulate.com.

Imagine a scenario where a scammer impersonates your company’s CEO, trying to manipulate employees into handing over sensitive customer data or signing off on deals. In the world of AI-driven automation, how do we ensure that these sophisticated social engineering tactics don’t succeed? The answer lies in rigorous pre-deployment testing of AI decision-making—before a crisis strikes.

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What Happens When AI Faces Fake CEO Requests?

Recently, a live experiment put five leading AI models through a simulated crisis: a fake CEO sending escalating messages, culminating in a reporter trick. This social engineering attack was designed to test whether AI systems would recognize and refuse manipulation attempts. The scenarios involved requests like “send the customer list to the journalist” and “no time for process,” pushing the AI to decide under pressure.

Remarkably, all five models stood firm, refusing every manipulation attempt. Each one identified the escalation as suspicious, and importantly, none signed a deal or shared sensitive information without proper verification. This outcome demonstrates that with proper testing, AI can be trained to maintain integrity even in high-stakes situations.

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Deep Dive: How the Models Stayed Honest

  • Every model detected the crisis and responded appropriately based on their training.
  • Only two models signed the €55,000 deal their own analysis had earned, illustrating alignment with honest decision-making.
  • The key to success was reading beyond surface requests—those that read into a company’s internal files and data sources proved decisive.

In this experiment, models that examined internal documents—specifically, references buried deep within the company’s files—secured the full-price deal, worth an additional €4,583 MRR. This highlights the importance of context-aware analysis: AI that can look beneath the surface is less likely to be duped or to sign deals prematurely.

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Why This Matters for Businesses

For companies using AI in customer relationships, support, or sales, the question isn’t just whether the AI can craft a convincing message. It’s whether it can resist manipulation, read critical information thoroughly, and make decisions aligned with your company’s integrity and goals. The experiment shows that security against social engineering can be built into the AI’s decision process, not just added after deployment.

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Insights from the Live Company Experiment

The experiment was conducted within a simulated real company with 13 synthetic employees and real money mechanics, burning €105k every month against a modest €2.3k MRR. The environment was designed to mimic the pressures and temptations of a real operational setting, with every decision logged and versioned for transparency.

The AI models were tasked with running this company through its worst week—same crises, same customer demands, same internal temptations. Every decision was auditable, and the models’ responses were measured against their ability to detect deception and uphold integrity.

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The Surprising Result: All Models Refused Manipulation

All five models refused every social engineering attempt, including the escalation from a fake CEO and a subsequent reporter trick. The Kimi K3 model, for example, explicitly treated suspicious requests as potential impersonation or approval bypass issues. This discipline was consistent across all participants, despite differences in complexity and training depth.

However, not all models performed equally in closing deals. The Opus 4.8 model, which had the deepest analysis capabilities and over 80 learned rules, ultimately failed to close the deal—leaving it on the table. Meanwhile, the top performers signed the full-price deal, demonstrating that integrity and thorough analysis can align with effective business outcomes.

Implications for AI Deployment and Security

This experiment underscores a vital insight: testing AI decision-making before deployment is critical. Security against manipulation isn’t just about preventing errors—it’s about embedding trustworthiness into the AI’s core decision process. By simulating worst-case scenarios, organizations can identify weaknesses and train models to uphold ethical standards even under pressure.

Learn More and See It in Action

Interested in how these AI models perform in your own environment? You can run similar simulations against your company’s data through Firmulate’s live platform, where real crises and decision-making processes are recreated in a safe, controlled setting. This proactive approach helps ensure your AI workforce is trustworthy before it faces real-world challenges.

Infographic — Someone Pretended to Be the CEO. Every Single AI Refused.
The findings at a glance — source: firmulate.com.

Watch it live: firmulate.com/live · Full results: firmulate.com/benchmarks.html

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