InfoSec 3001 — Information Security from the Offensive Perspective

Level 0 — Understanding How to Operate a Computer and How It’s Structured

Step 1. First Steps in PowerShell — Driving Your Computer with Text

Step 1. First Steps in PowerShell — Driving Your Computer with Text Level 0 — Understanding How to Operate a Computer and How It’s Structured | Difficulty ★☆☆☆☆ | Estimated time: 2–3…
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Step 2. Working with Files — Create, Copy, Move, Delete

Step 2. Working with Files — Create, Copy, Move, Delete Level 0 — Understanding How to Operate a Computer and How It’s Structured | Difficulty ★☆☆☆☆ | Estimated time: 2–3 hours Prerequisites:…
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Step 3. The Pipe (|) — A Way of Thinking That Assembles Commands

Step 3. The Pipe (|) — A Way of Thinking That Assembles Commands Level 0 — Understanding How to Operate a Computer and How It’s Structured | Difficulty ★★☆☆☆ | Estimated time:…
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Step 4. Text Processing — Finding a Needle in the Logs

Step 4. Text Processing — Finding a Needle in the Logs Level 0 — Understanding How to Operate a Computer and How It’s Structured | Difficulty ★★☆☆☆ | Estimated time: 2–3 hours…
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Step 5. Collecting System Information — A Health Checkup for My Computer

Step 5. Collecting System Information — A Health Checkup for My Computer Level 0 — Understanding How to Operate a Computer and How It’s Structured | Difficulty ★★☆☆☆ | Estimated time: 2–3…
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Step 6. Checking the Network — Inspecting My Computer’s Outside Lines

Step 6. Checking the Network — Inspecting My Computer’s Outside Lines Level 0 — Understanding How to Operate a Computer and How It’s Structured | Difficulty ★★☆☆☆ | Estimated time: 2–3 hours…
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Step 7. Variables and Data Types — Putting Values into Labeled Boxes

Step 7. Variables and Data Types — Putting Values into Labeled Boxes Level 0 — Understanding How to Operate a Computer and How It’s Structured | Difficulty ★★☆☆☆ | Estimated time: 2–3…
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Step 8. Conditionals and Loops — Making the Computer Judge and Toil

Step 8. Conditionals and Loops — Making the Computer Judge and Toil Level 0 — Understanding How to Operate a Computer and How It’s Structured | Difficulty ★★☆☆☆ | Estimated time: 3…
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Step 9. Execution Policy and Your First Script — Meeting Windows’ Safety Lock Head-On

Step 9. Execution Policy and Your First Script — Meeting Windows’ Safety Lock Head-On Level 0 — Understanding Computer Operation and Structure | Difficulty ★★☆☆☆ | Estimated time 2–3 hours Prerequisite: Step…
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Step 10. ★ Project: Automatic File Classification — A Robot That Cleans Your Downloads Folder

Step 10. ★ Project: Automatic File Classification — A Robot That Cleans Your Downloads Folder Level 0 — Understanding Computer Operation and Structure | Difficulty ★★★☆☆ | Estimated time 3–4 hours Prerequisite:…
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Step 11. Exploring the Registry — Opening Windows’ Vault

Step 11. Exploring the Registry — Opening Windows’ Vault Level 0 — Understanding Computer Operation and Structure | Difficulty ★★★☆☆ | Estimated time 2–3 hours Prerequisite: Step 10 complete. We will work…
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Step 12. Event Logs — Reading Windows’ Black Box

Step 12. Event Logs — Reading Windows’ Black Box Level 0 — Understanding Computer Operation and Structure | Difficulty ★★★☆☆ | Estimated time 2–3 hours Prerequisite: Step 11 complete. We will work…
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Step 13. Inside Processes and Services — Trace the Lineage of Execution

Step 13. Inside Processes and Services — Trace the Lineage of Execution Level 0 — Understanding Computer Operation and Structure | Difficulty ★★★☆☆ | Estimated time 2–3 hours Prerequisite: Step 12 complete.…
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Step 14. Remote Management — Commanding a Computer Across the Network

Step 14. Remote Management — Commanding a Computer Across the Network Level 0 — Understanding Computer Operation and Structure | Difficulty ★★★☆☆ | Estimated time 2 hours Prerequisite: Step 13 complete. We…
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Step 15. ★ Project: What Happens After Boot? — A Full Survey of Auto-Start Locations

Step 15. ★ Project: What Happens After Boot? — A Full Survey of Auto-Start Locations Level 0 — Understanding Computer Operation and Structure | Difficulty ★★★☆☆ | Estimated time 3–4 hours Prerequisite:…
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Step 16. Understanding Virtualization — Building a Computer Inside a Computer

Step 16. Understanding Virtualization — Building a Computer Inside a Computer Level 0 — Understanding Computer Operation and Structure | Difficulty ★★★☆☆ | Estimated time 2–3 hours Prerequisite: Step 15 complete. Today…
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Step 17. Installing Ubuntu and Snapshots — Moving Into the Lab and Setting Save Points

Step 17. Installing Ubuntu and Snapshots — Moving Into the Lab and Setting Save Points Level 0 — Understanding Computer Operation and Structure | Difficulty ★★★☆☆ | Estimated time: 3–4 hours (including…
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Step 18. Linux Basic Commands 1 — Finding Your Way in the Black Window

Step 18. Linux Basic Commands 1 — Finding Your Way in the Black Window Level 0 — Understanding Computer Operation and Structure | Difficulty ★★★☆☆ | Estimated time: 3 hours Prerequisites: Step…
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Step 19. Linux Basic Commands 2 — Three Pipes for Steering Output

Step 19. Linux Basic Commands 2 — Three Pipes for Steering Output Level 0 — Understanding Computer Operation and Structure | Difficulty ★★★☆☆ | Estimated time: 3 hours Prerequisites: Step 18 complete.…
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Step 20. Searching (grep/find) — Finding Two Needles in a Haystack

Step 20. Searching (grep/find) — Finding Two Needles in a Haystack Level 0 — Understanding Computer Operation and Structure | Difficulty ★★★☆☆ | Estimated time: 3 hours Prerequisites: Step 19 complete. Work…
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Step 21. Package Management — apt, Linux’s App Store

Step 21. Package Management — apt, Linux’s App Store Level 0 — Understanding Computer Operation and Structure | Difficulty ★★☆☆☆ | Estimated time: 2 hours Prerequisites: Step 20 complete. Work in the…
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Step 22. Editors — Surviving the Terminal with nano and vim

Step 22. Editors — Surviving the Terminal with nano and vim Level 0 — Understanding Computer Operation and Structure | Difficulty ★★☆☆☆ | Estimated time: 3 hours Prerequisites: you must be able…
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Step 23. Permissions 1 — rwx, Rules Carved Into Files

Step 23. Permissions 1 — rwx, Rules Carved Into Files Level 0 — Understanding Computer Operation and Structure | Difficulty ★★☆☆☆ | Estimated time: 3 hours Prerequisites: you need to know the…
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Step 24. Permissions 2 — Ownership and sudo: How to Wield Power

Step 24. Permissions 2 — Ownership and sudo: How to Wield Power Level 0 — Understanding Computer Operation and Structure | Difficulty ★★☆☆☆ | Estimated time: 3 hours Prerequisites: you must have…
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Step 25. User Management Lab — Crossing the Boundary Between Authentication and Authorization

Step 25. User Management Lab — Crossing the Boundary Between Authentication and Authorization Level 0 — Understanding Computer Operation and Structure | Difficulty ★★☆☆☆ | Estimated time: 3 hours Prerequisites: You must…
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Step 26. Process Management — List Them, Find Them, Signal Them

Step 26. Process Management — List Them, Find Them, Signal Them Level 0 — Understanding Computer Operation and Structure | Difficulty ★★☆☆☆ | Estimated time: 3 hours Prerequisites: You must be able…
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Step 27. Exploring the Directory Structure — Putting the Linux Map in Your Hands

Step 27. Exploring the Directory Structure — Putting the Linux Map in Your Hands Level 0 — Understanding Computer Operation and Structure | Difficulty ★★☆☆☆ | Estimated time: 3 hours Prerequisites: You…
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Step 28. bash Scripts and cron — Hand Your Typed Commands Over to an Alarm Clock

Step 28. bash Scripts and cron — Hand Your Typed Commands Over to an Alarm Clock Level 0 — Understanding Computer Operation and Structure | Difficulty ★★☆☆☆ | Estimated time: 3 hours…
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Step 29. SSH Remote Access — Opening the Encrypted Front Gate

Step 29. SSH Remote Access — Opening the Encrypted Front Gate Level 0 — Understanding Computer Operation and Structure | Difficulty ★★★☆☆ | Estimated time: 4 hours Prerequisites: You must have finished…
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Step 30. ★ Project: Monitoring Automation — Building a Watcher That Works Alone

Step 30. ★ Project: Monitoring Automation — Building a Watcher That Works Alone Level 0 — Understanding Computer Operation and Structure | Difficulty ★★★☆☆ | Estimated time: 5 hours (including observation time)…
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Step 31. Understanding IP Addresses Completely — Neighborhood Name and House Number

Step 31. Understanding IP Addresses Completely — Neighborhood Name and House Number Level 0 — Understanding Computer Operation and Structure | Difficulty ★★★☆☆ | Estimated time: 4 hours Prerequisites: Step 6 (network…
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Step 32. MAC Addresses and ARP — The Real Address on the Wire

Step 32. MAC Addresses and ARP — The Real Address on the Wire Level 0 — Understanding Computer Operation and Structure | Difficulty ★★★☆☆ | Estimated time: 3 hours Prerequisites: Step 31…
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Step 33. DNS — The Internet’s Phone Book

Step 33. DNS — The Internet’s Phone Book Level 0 — Understanding Computer Operation and Structure | Difficulty ★★★☆☆ | Estimated time: 3 hours Prerequisites: Steps 31–32 (IP, ARP) complete. Work in…
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Step 34. Ports and Services — Room Numbers Inside the Building

Step 34. Ports and Services — Room Numbers Inside the Building Level 0 — Understanding Computer Operation and Structure | Difficulty ★★★☆☆ | Estimated time: 3 hours Prerequisites: Steps 31–33 (IP, ARP,…
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Step 35. TCP Deep Dive — The Art of the Handshake

Step 35. TCP Deep Dive — The Art of the Handshake Level 0 — Understanding Computer Operation and Structure | Difficulty ★★★☆☆ | Estimated time: 3 hours Prerequisites: Step 34 (Ports and…
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Step 36. UDP and ICMP — The Courier Who Throws and the Status Hotline

Step 36. UDP and ICMP — The Courier Who Throws and the Status Hotline Level 0 — Understanding Computer Operation and Structure | Difficulty ★★☆☆☆ | Estimated time: 3 hours Prerequisites: Step…
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Step 37. Routing and Gateways — Follow the Letter’s Journey

Step 37. Routing and Gateways — Follow the Letter’s Journey Level 0 — Getting Comfortable with Computers | Difficulty ★☆☆☆☆ | Estimated time: 2 hours Prerequisites: Steps 31–36 complete; you understand IP…
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Step 38. NAT and Home Routers — The Secret of the Disguise-Managing Doorstep

Step 38. NAT and Home Routers — The Secret of the Disguise-Managing Doorstep Level 0 — Getting Comfortable with Computers | Difficulty ★☆☆☆☆ | Estimated time: 2 hours Prerequisites: Steps through 37…
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Step 39. The OSI 7 Layers — A Map for Placing Nine Pieces

Step 39. The OSI 7 Layers — A Map for Placing Nine Pieces Level 0 — Getting Comfortable with Computers | Difficulty ★★☆☆☆ | Estimated time: 2.5 hours Prerequisites: Steps 31–38 complete;…
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Step 40. Level 0 Comprehensive Test — Examining Yourself

Step 40. Level 0 Comprehensive Test — Examining Yourself Level 0 — Getting Comfortable with Computers | Difficulty ★★★☆☆ | Estimated time: 4 hours (fine to split across two days) Prerequisites: Steps…
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