Shhh… don’t let your response headers talk too loudly

Response headers are those little titbits of information your app is letting loose into the wild that you probably hadn’t even given a second thought. On the surface, this is innocuous data of no use to anyone, but dig a little deeper and suddenly it becomes quite useful to evildoers. Here’s a quick overview of what they are, why they can be a security concern, how to turn them off and also how to quickly test for them on your existing websites.