(Null session attack and protection details Null session attack can be said to be a very old network attack method, which is so old that system administrators have almost forgotten the existence of this kind of attack method. But now it is starting to be as tyrannical as it was a few years ago. While systems today are less vulnerable to attack, empty session enumeration is still one of the first things to do when performing a penetration test against Windows devices. The purpose of this article is to analyze null-session attacks and discuss how to avoid null-session attacks. Null session attack process)