Hack The Box is an online platform that allows you to test your penetration testing and cybersecurity skills in a simulated environment.
Free/Paid
Best Google Capture the Flag 2017 Alternatives ranked by AI · updated May 2025
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An online competition where participants solve cybersecurity challenges
Top 6 Google Capture the Flag 2017 alternatives
OverTheWire provides a series of war games that can help you learn and practice security concepts.
Pros
- Progressive difficulty levels
- Educational focus
Cons
- Less interactive than other platforms
- Older interface design
3
A capture the flag competition aimed at middle and high school students to introduce cybersecurity concepts
Pros
- Beginner-friendly challenges
- Educational resources
Cons
- Targeted towards younger audience
- Limited advanced challenges
4
myHack is a comprehensive hacking simulation software that allows users to practice ethical hacking skills.
HackThisSite is a free, legal and safe training ground for hackers to test and expand their hacking skills.
6
The Hack Stack
The Hack Stack
The Hack Stack is an online cybersecurity resource hub for people learning ethical hacking, security testing, and defensive security. It organizes tools,...
Pros
- Covers a broad range of cybersecurity topics and resources
- Useful as a starting point for independent learners
- Free access is more affordable than structured security academies
Cons
- Less structured than a dedicated training platform
- Practical lab depth is lower than Hack The Box or TryHackMe
- Resource quality and maintenance may vary across listings
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