Get Members of Local Group

I have seen many administrators who has difficulty to find members of local group (i.e. Administrators) for 100 or more servers. There are many scripts but they have their standard functionality and fixed output. When you try to modify the script as per your requirements, it become a big pain in a**.

Here are some links of good written scripts which can help you.
https://gallery.technet.microsoft.com/scriptcenter/Get-GroupMember-Get-Local-72fecf21
https://www.petri.com/use-powershell-to-find-local-groups-and-members
https://gist.github.com/jdhitsolutions/2b3f8761db581726802e
Use them at your own risk.

System Up Time Since Last Reboot

While working on some tasks i came into a situation where i wanted to fetch system up time since last reboot. With help of Powershell i created a script which will check system connectivity first and then let me know the system up time in days and hours. So, i thought to share it with everyone.

Here is the script.

Good Steps to Secure Your Windows DNS infrastructure

I am going to discuss some common DNS attacks which i have seen so far. There could be more and it would be great if you share your experience in the comments. So that others would be already aware about these attacks.

Including my experience i found some valuable information on internet and combined everything here.