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HackThisSite is a free, safe and legal training ground for hackers to test and expand their ethical hacking skills.
HackThisSite.org was founded in 2003 as is currently the longest existing always-online security challenge website. Ranging from basic website vulnerabilities to complex desktop programs and everything in between, Hack This Site focuses on teaching ethical hacking with sandboxed challenges with a sense of realism. Our highly active community in Discord is always helpful and interested in learning, so feel free to join now!