MakeUseOf: 5 Websites That Teach You How to Hack Legally

MakeUseOf: 5 Websites That Teach You How to Hack Legally. “If you’re an ethical hacker, it can be hard to put your skills to the test without harming anyone. Fortunately, there are resources that give you a sandbox to hack in, giving you a place to learn while also keeping it legal. Here are some websites to test your mettle against without getting into trouble.”