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IBM Technology

GPT-Red: Can AI red teams stop prompt injections?

Published 2026-07-22 · Duration 31:30

Summary

This technical discussion explores how AI is being used in advanced cybersecurity defense mechanisms, specifically focusing on automated red teaming and scam interception. Key tools discussed include OpenAI's internal GPT-Red model, which significantly improves model resilience against prompt injections (e.g., reducing attack effectiveness from 95% to 10%). Another tool, ScamBuster, uses AI to bait scammers into revealing their tactics and infrastructure for threat intelligence gathering. The conversation concludes by addressing the widening gap between technical skill and raw ability in cybersecurity, warning that while AI provides immense power, human professionals must maintain foundational skills to remain effective.

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Key takeaways

  1. GPT-Red's Effectiveness Against Prompt Injection 0:23

    OpenAI utilizes GPT-Red, an internal automated red teaming model, which performs better than human red teamers. This process was key in making models like GPT 5.6 Sol more robust; for instance, 'fake chain of thought attacks' that were 95% effective on GPT 5.1 are only 10% effective on GPT 5.6.

  2. ScamBuster for Threat Intelligence 5:21

    ScamBuster is an open-source AI tool designed to interact with email scammers, subtly gathering information about their tactics and infrastructure (IOCs) that can be fed back into security teams and law enforcement.

  3. The Skill vs. Ability Gap 10:35

    Bruce Schneier's essay highlights that AI is decoupling skills from abilities in cybersecurity, meaning individuals can now perform sophisticated hacks without the years of training and ethical framework traditionally required.

  4. Maintaining Foundational Skills 20:05

    The consensus takeaway for professionals is that while AI acts as a force multiplier, individuals must continue to develop their personal skills (e.g., the ability to blue/red team) to handle scenarios where the AI fails or cannot complete the task.

Technical details

  • GPT-Red Model 23s

    An internal, automated red teaming model developed by OpenAI. It is trained to be a master prompt injector and performs advanced vulnerability testing on models (e.g., GPT 5.6 Sol) to improve resilience against malicious instructions.

  • Prompt Injection Attacks 23s

    A class of attacks, such as 'fake chain of thought attacks,' that attempt to bypass model safeguards. GPT-Red's use has shown a significant reduction in the success rate of these attacks.

  • ScamBuster Tool 321s

    An open-source AI tool designed to engage with scammers, collecting actionable threat intelligence and Indicators of Compromise (IOCs) without direct human intervention. It is intended for use by security teams.

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