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| 261 | 261 | | * [fuzzy.land](https://fuzzy.land/) - Website by an Austrian group. Lots of challenges taken from CTFs they participated in. |
| 262 | 262 | | * [Gruyere](https://google-gruyere.appspot.com/) |
| 263 | 263 | | * [Others](https://www.owasp.org/index.php/OWASP_Vulnerable_Web_Applications_Directory_Project#tab=On-Line_apps) |
| | 264 | + | * [TryHackMe](https://tryhackme.com/) - Hands-on cyber security training through real-world scenarios. |
| 264 | 265 | | |
| 265 | 266 | | ## Cryptography |
| 266 | 267 | | * [OverTheWire - Krypton](http://overthewire.org/wargames/krypton/) |
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