1. Setup workshop and daily issues dicussing after work hour about 30 minutes for a few days whitout any urgent private business each week. Example network overall, AD, DNS, DHCP and WSUS etc. and find the outside course for more technology update until we got the effectivness team.
2. Replace the old technology devices and rearrage network design by remove all distribution switches in each department to get more flow nework by directly cabling to rack gigabit swithes.
3. To define what is the exactly root cause and apply the effectiveness solution for the stable data backup.
4. Collection the information about the DR operation and discuss within the team.
5. Use new Threat protection from Palo Alto subscription to monitor and apply the more strong safe and secure internet using.