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Showing 10 latest Hextree courses

Learn what actually happens when an AI assistant uses tools and completes a multi-step task. This course follows the process from structured LLM output and function calls to autonomous agent loops and code execution, giving you an intuitive understanding of modern AI agents.Artificial Intelligence
Introduction to Agents
This course builds a practical mental model of modern LLMs. You’ll understand how they are trained, how tokens move through transformer layers, different forms of attention, and what MoE, distillation, and quantization means.Artificial Intelligence
LLM Architecture and Training
This course explains the core mechanics and brief history behind modern LLMs. You'll learn about tokenization, embeddings, attention, sampling, special tokens and prompt templates, to develop an intuitive understanding of LLMs.Artificial Intelligence
How LLMs Generate Text
In this training you learn how to reproduce the infamous wallet.fail glitch used to recover millions from crypto hardware wallets.No continent assigned
Glitching the STM32 (Conference Edition)
With the rise of IoT, a lot of Android applications communicate with Bluetooth devices - in this course we look at reverse-engineering Bluetooth applications, and building our own BLE attack application.Android
Bluetooth Reverse Engineering Basics
Want to break into Google’s Android Bug Bounty programs but don’t know where to start? This course introduces different hunting methodologies, practical techniques, and creative approaches to finding vulnerabilities.Android
Android Bug Bounty
In this course you learn how to bypass the nRF52 firmware read-out protection by reproducing LimitedResult's APPROTECT bypass! All you need is a Faultier, a GlitchTag and some jumper-wires!Hardware Hacking
Glitching nRF52 APPROTECT (AirTag Glitch)
Android WebViews expose both traditional web threat surface, but also some unique combinations of JavaScript and the Android runtime. Besides WebViews we will also have a look at more modern web integrations called CustomTabs and TrustedWebActivities.Android
WebViews and CustomTabs
In this course we learn everything important around Internal Storage and External Storage. We talk about the changes in recent Android versions and explore a storage related vulnerability in a real application.Android
Android (Insecure) Storage
Android has an interesting feature to share data and files with other apps in a secure way. But this also increases the attack surface and there are a few pitfalls developers run into. In this course we learn how providers work, and how they can be attacked.Android
Content- and FileProvider

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