Ever wondered how hackers find those sneaky backdoors? This module is your backstage pass! We'll explore the art of finding digital oopsies – from tiny software hiccups to gaping security chasms. You'll learn to wield scanners like a pro, interpret their cryptic messages, and even double-check if that 'vulnerability' is a real threat or just the system having a bad hair day. By the end, you'll be a digital detective, ready to make systems safer, one ethically-found flaw at a time. Warning: may cause an uncontrollable urge to check if your smart toaster is secure.