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Dec 11

How to Secure User Accounts in The Active Directory?

Active Directory

Active Directory user’s accounts are the key targets for hackers to get into the domain. So, we need to secure the system from unwanted and unauthorised access. Some of the ways have been discussed below to protect the User accounts in Active Directory.

  1. Two Factor Authentication: Using Two factor authentication helps in verifying all the Active Directory user account logins and defends against compromised credentials. Using Onetime Passwords with two factor authentication is the best balance in providing security, usability and cost. Examples of two factor authentication are DUO, RSA, Microsoft MFA.
  2. Contextual Restrictions: Providing contextual information like on location, machine, time, session type, and the number of sessions can help to protect the user log on. You can authorise to allow, deny or limit a connection request and allow access only after the user passes identity authentication.
  3. Actively Monitor: Monitoring the user log on and log off in real time provides information about user activity about who connected at what time and location. It also ensures to keep track of potential problems such as power outages, syncing issues or user account lockouts.
  4. Alerts: Setting up real time alerts in case of compromised use of credentials causing the suspicious threat. Immediately you can stop the network access reducing the risk of a security breach.
  5. Implement Password Policy: The users should make sure that they change their passwords periodically as a preventive measure. Using long passwords or even better using passphrases ensures a high difficulty level for the hackers and password cracking software to hack it.
  6. Clean Domain Admin group: The Domain Admin group members are granted access to a lot of devices and servers. This makes the group a target for attackers to break into the user credentials. So it can be kept safe if the number of users in this group is minimum and delete the unnecessary user accounts on regular basis.
  7. Keep Track of Termination: When employees leave the organisation, their user accounts remain untouched. It can be possible sometimes that the attacker gains credentials to access these abandoned accounts and enter the domain. So, it is required to immediately remove those accounts once the employee leaves the company permanently.
  8. Use Two Accounts (Regular and Admin Account): The system administrator should have two accounts, one regular account that does not possess any admin rights and a privileged account that will be used to perform the administrative tasks. The least privileged administrative model is the best example to follow as it urges the users to log in into the account which got the minimum permissions to execute their work.

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