Week 9c: USB Threats, Field Kit & Security Scenarios
Goal Master USB threat mitigation with usbguard, assemble a cypherpunk field kit for operational security, and apply physical security principles to real-world scenarios. Prerequisites: Week 9b (Building Airgapped Systems) This is Part 3 of 3 - Covers USB defense, field operations, and decision-making. 1. USB Threat Mitigation Understanding USB Attacks BadUSB (Firmware Reprogramming): Attacker modifies USB stick firmware → USB identifies as keyboard (HID device) → Types malicious commands at lightning speed → Downloads and executes malware → All bypasses antivirus (it's "legitimate" keyboard input) Rubber Ducky / Bash Bunny: ...