ELI5: Explain Like I'm 5

W3af

W3af is a computer program that looks for weaknesses in websites or web applications. It can help people who build websites make them more secure, so that hackers can't get access to important information. W3af looks for problems like missing passwords, data that's not encrypted, and outdated software versions. It then makes suggestions on how to fix the problem.
Related topics others have asked about: