Lesson 1: Introduction to CTF

Lesson Link:
https://cybertalents.com/learn/introduction-to-cybersecurity/lessons/1-introduction-to-ctf

Introduction

In this lesson, we will learn about CTFs there are many types of CTFs, but in this lesson, we will focus on the most common type of CTFs which are called Jeopardy CTFs.

Challenge

Name:
Pay Me.

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Description:
I will lock your machine screen or files till you pay me. Who am i?

Solution

In this challenge, we just need to do some research about Ransomware and we will find that Ransomware is a type of malware that encrypts your files and locks your machine screen until you pay the ransom.

References

Ransomware is a type of malware from cryptovirology that threatens to publish the victim’s personal data or permanently block access to it unless a ransom is paid.

if you are not familiar with ransomware, you can read more about it here.