Practice

New to CTFs? Try these challenges!
You are allowed to use the internet for help.
Your progress will not be saved.
Example 1
The flag is cybershield{flag_1}
Please enter it below to capture your first flag.
Example 2
What is the output of the following Python function? 
def print_flag():
    print("}3nohtyp{dleihsrebyc"[::-1])

Example 3
Here is a binary executable: Download it here!
It is the result of compiling a C program.
Your task is to analyze the strings embedded in the binary and find the flag.
Show Hint
On Linux: Using your browser:
Conclusion
If these seemed challenging, that's okay!
CTFs are intended to challenge your problem solving and research skills.
We hope this helps you understand the format.