What is OWASP Top 10?

Open Web Application Security Project (OWASP) is a non-profit organization with the goal of improving the security of software and the internet. They have put together a list of the ten most common vulnerabilities, like Cross-Site Scripting (XSS) and Sensitive Data Exposure.

The OWASP Top 10 is a list of the most critical security risks for web applications, maintained by OWASP focused on improving software security. The OWASP Top 10 provides guidance to developers, architects, and security professionals on the most prevalent and impactful security vulnerabilities in web applications. The list is updated periodically to reflect changes in the threat landscape and technology. The latest version is OWASP Top 10 2017 and the previous 2013.

Read more about OWASP (external link):
http://www.owasp.org