How to Add Domain Controller to an Existing Domain. Having one Domain Controller (DC) is not recommended because it creates a single point of failure (SPOF) risk. For example, if the only Domain Controller goes down in the organization, extensive outages result in a loss of operations. Therefore, we need to have a secondary Domain […]
Domain Controller Security Best Practices – Hardening (Checklist). In 2020 Microsoft released a patch that would fix Zerologon vulnerability that affected domain controllers. The vulnerability allowed attackers to gain access into domain controllers. How? By exploiting a flaw previously found in the Netlogon Remote Protocol cryptographic scheme. In turn, this vulnerability served as a further […]