References
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Awesome Cyber Skills

Curated list of 100+ free, legal environments for practicing offensive security: deliberately-vulnerable apps (DVWA, Juice Shop, WebGoat, Mutillidae), CTF platforms (HackTheBox, TryHackMe, picoCTF, Root-Me), wargames (OverTheWire, pwnable.kr), and specialized labs for crypto, RE, and binary exploitation.

Use responsibly

Test only systems you own or are explicitly authorized to test. Unauthorized testing is illegal.

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