Before you can change an ACL, you must get the current one. There are two ways to do this with PowerShell. Learn how to get the current ACL and modify it.
Wouldn't it be cool if PowerShell could automatically write scripts so that you didn't have to? Believe it or not, it is possible. Of course the old saying that if something sounds too good to be true ...
Unfortunately, IT professionals have to deal with sensitive information all the time. That information could be in the form of passwords, proprietary company information or anything that you'd rather ...