The Open Web Application Security Project (OWASP) released an updated version of its "Top 10"  . If you are in any way responsible for the development, maintenance or general upkeep of web applications and related infrastructure, this is a MUST READ document for you.
According to the OWASP press release, this update focuses more on "Risks" vs. "Vulnerabilities".
 http://www.owasp.org/index.php/Top_10Defending Web Applications Security Essentials - SANS San Francisco Spring 2020
Apr 21st 2010
9 years ago