How Do I Protect My Domain Controller? - Fixanswer

If a single domain controller is compromised and an attacker modifies the AD DS database, those modifications replicate to every other domain controller in the domain , and depending on the partition in which the modifications are made, the forest.

How do I protect my Active Directory?

Monitor Active Directory in real-time. ...
Prevent credential theft. ...
Minimize the attack surface. ...
Keep admin accounts in different OUs and apply different GPO. ...
Setup a devoted server for administration. ...
Implement a strong password policy.

What is domain controller in security?

A domain controller is a type of computer server that responds to security authentication requests and verifies users on the domain of a computer network . ... It also enforces security policies, stores a user’s account information, and authenticates users for a domain.

Do domain controllers need antivirus?

Running antivirus software on domain controllers. Because domain controllers provide an important service to clients, the risk of disruption of their activities from malicious code, from malware, or from a virus must be minimized. ... Antivirus software must be installed on all domain controllers in the enterprise .

How many domain admins should you have?

1 way to minimize overall security risk is to minimize the number of enterprise admins you have and how often they need to logon. The specific number depends on the operational needs and business strategies of each environment, but as a best practice, two or three is probably a good amount .

Should Domain Admins be local admins?

As is the case with the Enterprise Admins (EA) group, membership in the Domain Admins (DA) group should be required only in build or disaster recovery scenarios . ... Domain Admins are, by default, members of the local Administrators groups on all member servers and workstations in their respective domains.

What is Active Directory attacks?

Active Directory is a massive and complex attack surface that has long been a prime target for criminals seeking valuable privileges and data. Incident responders find the service is involved in the bulk of attacks they investigate, underscoring major security challenges for defenders.

Is Microsoft an Active Directory?

Active Directory (AD) is Microsoft’s proprietary directory service . It runs on Windows Server and enables administrators to manage permissions and access to network resources.

What is domain compromise?

If there is legitimate content elsewhere on the domain or if there is evidence that it was once used for legitimate purposes , it is designated as a compromised domain.

Why do we need a domain controller?

A domain controller is a server that responds to authentication requests and verifies users on computer networks . Domains are a hierarchical way of organizing users and computers that work together on the same network. The domain controller keeps all of that data organized and secured.

Does a domain controller have to be a DNS server?

The domain controller must register its records with its own DNS server .

What are the types of domain controller?

There are three roles domain controllers can fill: 1) Domain Controller, 2) Global Catalog Server, and 3) Operations Master. A specific domain controller can fill one or more roles simultaneously.

Should I disable the domain administrator account?

The built-in Administrator is basically a setup and disaster recovery account. You should use it during setup and to join the machine to the domain. After that you should never use it again , so disable it. ... If you allow people to use the built-in Administrator account you lose all ability to audit what anyone is doing.

What can a domain admin do?

Domain administrator in Windows is a user account that can edit information in Active Directory . It can modify the configuration of Active Directory servers and can modify any content stored in Active Directory. This includes creating new users, deleting users, and changing their permissions.

What are the three types of groups in a domain?

There are three group scopes: universal, global, and domain local .