All web frameworks (PHP, .NET, J2EE, Ruby on Rails, ColdFusion, Perl, etc) and all types of web applications are at risk from web application security defects, ranging from insufficient validation through to application logic errors. ??? ???{| align=center ???| [http://www.sans.org/top20/?ref=1697#c1 https://www.owasp.org/images/8/80/SANS_Logo.jpg] ???| [http://www.owasp.org https://www.owasp.o