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Abstract:

There's no doubt that undertaking the practice of threat modeling can significantly improve an organisation's security posture, but it can be difficult to understand how and where to start. Even with an extensive level of system knowledge, it can often be difficult to truly shift focus from your day-to-day role and take on the attacker's mindset.

In this presentation, we explore the practical application of Large Language Models for threat modeling. We'll examine the benefits and challenges of threat modeling, including an overview of the process itself. A key focus will be on creating meaningful prompt sheets that enable effective LLM-based threat modeling while maintaining the confidentiality of sensitive company information.

The talk includes live demonstrations of threat modelling using ChatGPT and Gemini, with a comparative analysis of both platforms' capabilities and approaches. Time permitting, we'll conclude with questions and follow-up discussion on the topics covered.

Location:

• 📍 Venue: Veracode, 36 Queen Street London, EC4R 1BN
• 📅 Date: Wednesday, 19th November 2025
• 🕕 Time: 6:00 PM – 8:00 PM
• 🎟️ RSVP now and join us on the 19th November!

Sponsors:

• We are incredibly grateful to Veracode and Orca Security for their support and commitment to the DevSecOps London Gathering community!

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