Lesson 8 of 9 · 8 min read
Reverse Engineering as a Security Method
Security reverse engineering answers a specific question about software you are authorised to analyse: where a secret goes, what a check protects, what a binary does on load. Static analysis (formats, imports, strings, disassembly, decompilation) shows all paths but can be misled by packing and obfuscation; dynamic analysis (debuggers and instrumentation in an isolated environment) shows real behaviour on exercised paths. Good analysts alternate between the two, treat decompiler output as a hypothesis, and report findings by the strength of their evidence, separating a modified local check from demonstrated impact on a server or another user.
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Practise it as an interviewer asks it
Walk me through red-teaming a customer-facing chatbot from scoping to report.How do you conduct a security code review, and what do you look at first?How do you scope and set rules of engagement for an LLM red team?When do you red-team manually and when with automated tools?How do attack trees and kill chains help in threat modelling, and where do they mislead?In an LLM red team engagement, what counts as a finding and what does not?