WebService Security

[Xiaoming Qian]

I have developed a web service in our company.I want to only allow our customers' code to call our webservice,But I don't have much knowlogy on web sevice security.Can any one help me? Also are there basic security issues i should look into or does any one have any resources/links that will help me make a secure site.

[Bradml]

What sort of web app? Which language? What remote resources (files, databses, etc.) does it use? How is the general security?

Last modified: 5hrs 26mins after originally posted --