Episode
Course 34 - Cybersecurity Kill Chain | Episode 1: Reconnaissance and Footprinting Fundamentals
- Podcast
- CyberCode Academy
- Published
- May 18, 2026
- Duration seconds
- 827
- Processing state
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Summary
In this lesson, you’ll learn about: reconnaissance in the Cyber Kill Chain1. What is Reconnaissance? Reconnaissance is the first phase of the Cyber Kill Chain It focuses on: Gathering information about a target 👉 Why it matters: It forms the foundation of the entire attack Poor recon = weak attack Strong recon = precise targeting 2. Passive Reconnaissance (Footprinting)🔹 Definition Collecting information without directly interacting with the target 👉 Low risk of detection🔹 Common Techniques🌐 Network Information Gathering Tools like: whois → domain ownership & contacts nslookup → DNS & IP mapping 🔍 Search Engines & Specialized Platforms Shodan Censys Used to find: Open ports Running services Technologies used 👥 Social Media Intelligence (OSINT) LinkedIn Employee roles Tech stack hints Facebook Personal interests Behavior patterns 👉 Useful for: Phishing attacks Social engineering 🗑️ Physical Recon (Dumpster Diving) Searching discarded materials for: Passwords Internal documents Configurations 3. Active Reconnaissance🔹 Definition Direct interaction with the target system 👉 Higher risk of detection🔹 Common Techniques📡 Ping Sweeps Identify: Live hosts on a network 🔎 Port Scanning & Fingerprinting Tool: Nmap Used to detect: Open ports (e.g., SSH, FTP, VNC) Operating system details 4. Passive vs Active ReconTypeInteractionRisk LevelExamplePassiveNoLowShodan, LinkedInActiveYesHighNmap scan5. Why Reconnaissance is Critical Builds a complete target profile Identifies: Weak points Entry points Makes later stages: Faster More effective Key Takeaways Recon = information gathering phase Passive recon is stealthy and preferred Active recon is powerful but detectable Tools like Shodan and Nmap reveal technical exposure Social media provides human attack vectors Big Pic…