
Codewars
Exercism
LeetCode
CodinGame
CodeCombat
HackerRank
Google's Python Class
CheckIO is a web site with a mission: To teach JavaScript and Python coding skills through a game-playing interface. It is designed to teach new skills or improve existing skills through completing challenges.

TryHackMe
Hack The Box
VulnHub
PwnTillDawn Online Battlefield
PentesterLab
HackThisSite
CodeRed by EC-Council
LetsDefend is a security operation center analysis and response training platform that provides a full lifecycle of learning modules in the form of courses, labs, and exercises to help organizations meet their compliance and cyber-resilience needs.
Which is more popular?
CheckIO might be a bit more popular than LetsDefend. We know about 46 links to it since March 2021 and only 34 links to LetsDefend.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | checkio.org | letsdefend.io |
| Pricing | — | |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of LetsDefend yet.
Walkthroughs and reviews on video.
Intro Video. How to get maximum from CheckiO
LetsDefend (SOC Analyst) - Event ID #92: Ransomware Detected
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using CheckIO and LetsDefend. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


CheckiO is a platform with coding games created for different levels of programmers, from beginners to advanced levels. Using fun and engaging methods, you can use coding games to solve challenges in TypeScript and...
CheckIO is available in English and Spanish. The platform was designed by a group of engineers and now has a number of customers all over the globe who may use it to improve their programming speed and abilities by...
Checkio is the most whimsical HackerRank alternative on this list. It’s also focused on two languages: Python and TypeScript. On this site you’ll be thrown into a gamer’s paradise that includes robot mollusks and...
We have no reviews of LetsDefend yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Have you heard of CheckIO (https://checkio.org/)? They have a gameified "Mario world" of coding challenges that are smaller and come with more explanation, tests to guide you through edge cases and provide hints. The challenges start... Source: almost 3 years ago
Cyber isn't gonna be a light switch, where you can flip it and be good. Don't be too hard on yourself. Start with some hands on stuff like https://tryhackme.com or checkio.org. You could look at certs like Security+ or CySA+ for some... Source: about 3 years ago
Much better to get your hands dirty than watching the videos. Try: https://checkio.org/. Source: over 3 years ago
I'm looking for places that let me experience what it's like to be in a analyst / IR team in order to learn a bit about those roles and found a place called letsdefend.io. Have you tried it? How it was the experience? Would you recomend it? Source: almost 3 years ago
Has anyone else had any issues with letsdefend.io? Source: about 3 years ago
A SOC analyst role is not unrealistic if you are educated to masters level in computer science. It won't be a breeze, especially in the current climate, but you stand a fair chance if you are persistent and resilient. Make sure your... Source: about 3 years ago
When comparing CheckIO and LetsDefend, you can also consider the following products.


TryHackMe is an online platform for learning and teaching cyber security, all through your browser.
Compare TryHackMe to CheckIO or LetsDefend:

Download and solve practice problems in over 30 different languages.
Compare Exercism to CheckIO or LetsDefend:

An online platform to test and advance your skills in penetration testing and cyber security.
Compare Hack The Box to CheckIO or LetsDefend:

Practice and level up your development skills and prepare for technical interviews.
Compare LeetCode to CheckIO or LetsDefend:

VulnHub provides materials allowing anyone to gain practical hands-on experience with digital security, computer applications and network administration tasks.
Compare VulnHub to CheckIO or LetsDefend: