secured software development question

Question

Hi..i hope somebody will be able to help me out here

i am makng some reports on secured programming...and the question was to give an overview of vulnerabilities in c#..i wrote...and explained things like input validation,sql injection...but my teacher said...

The given overview of vulnerabilities in the choosen development environment are to general. The question for you is to look for specific security risks in .NET and C#.


could somebody tell me what exactly he is looking for here?...10 points to the person who can help me the most...tnx in advance