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THM | Operating System Security

· 2 min read

Introduction to Cyber Security | Operating System Security | Summary:​

This series of walkthroughs aims to help out complete beginners with finishing the Introduction to Cyber Security path on the TryHackMe website. It is based on the learning content provided in the Operating System Security room.

Disclaimer: Please note that this write-up is NOT intended to replace the original room or its content, but rather serve as supplementary material for those who are stuck and need additional guidance.

Task | 1 | Introduction to Operating System Security​

Question 1: Which of the following is not an operating system?

Thunderbird

Task | 2 | Common Examples of OS Security​

Question 1: Which of the following is a strong password, in your opinion?

  • "iloveyou" | "1q2w3e4r5t" | "LearnM00r" | "qwertyuiop"

LearnM00r

Task | 3 | Practical Example of OS Security​

Question 1: Based on the top 7 passwords, let’s try to find Johnny’s password. What is the password for the user johnny?

abc123

Question 2: Once you are logged in as Johnny, use the command history to check the commands that Johnny has typed. We expect Johnny to have mistakenly typed the root password instead of a command. What is the root password?

happyHack!NG

Question 3: While logged in as Johnny, use the command su - root to switch to the root account. Display the contents of the file flag.txt in the root directory. What is the content of the file?

<flag>