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Blogs and articles on auditing, security, and compliance
 

Windows Event ID 4724 - An attempt was made to reset an account's password

Event ID 4724 is generated every time an account attempts to reset the password for another account (both user and computer accounts). Note that event ID 4723 is recorded every time a user attempts to change their own password. More…

Windows Event ID 4738 - A user account was changed

Windows event 4738 is generated every time a user object is changed. Each change generates a separate event. Get information on modified or changed user accounts. More…

Windows Event ID 4742 - A computer account was changed

Windows event ID 4742 is generated on domain controllers every time a computer object is changed. A separate event is generated for each change. More…

Windows Event ID 4723 - An attempt was made to change an account's password

This event is generated every time a user attempts to change their password. Note that event ID 4724 is recorded every time an account attempts to reset the password for another account. More…

Windows Event ID 4726 - A user account was deleted

Windows event 4726 generates every time a user object is deleted. Get details on deleted user accounts. This event gives you information on the who, when, what and where the delete action was performed. More…

Windows Event ID 4769 - A Kerberos service ticket was requested

Windows event ID 4769 is generated every time the Key Distribution Center (KDC) receives a Kerberos Ticket Granting Service (TGS) ticket request. After the client successfully receives a ticket-granting ticket (TGT) from the KDC, it stores that TGT and sends it to the TGS with the Service Principal Name (SPN) of the resource the client wants to access. More…

Windows Event ID 4768 - A Kerberos authentication ticket was requested

Windows event ID 4768 is generated every time the Key Distribution Center (KDC) attempts to validate credentials. In cases where credentials are successfully validated, the domain controller (DC) logs this event ID with the Result Code equal to “0x0” and issues a Kerberos Ticket Granting Ticket (TGT). More…

Windows Event ID 4771 - Kerberos pre-authentication failed

The first time a user enters their domain username and password into their workstation, the workstation contacts a local domain controller (DC) and requests a ticket-granting ticket (TGT). If the username and password are valid and the user account passes status and restriction checks, then the DC grants a TGT and logs event ID 4768 (authentication ticket granted). More…

Windows Event ID 4776 - The DC attempted to validate the credentials for an account

Event ID 4776 is logged whenever a domain controller (DC) attempts to validate the credentials of an account using NTLM over Kerberos. This event is also logged for logon attempts to the local SAM account in workstations and Windows servers, as NTLM is the default authentication mechanism for local logon. More…

Windows event ID 4740 - A user account was locked out

Windows lets you set an account lockout threshold to define the number of times a user can attempt to log on with an invalid password before their account is locked. You can also define the amount of time an account stays locked out with the account lockout duration setting. More…

How to find user logon history

The first step in tracking logon and logoff events is to enable auditing. You can tell Windows the specific set of changes you want to monitor so that only these events are recorded in the security log. More…

How to monitor password reset requests in Active Directory

Discover who reset the password for a user account in Active Directory using native tools. Windows records all password reset attempts as event ID 4724 in its security log. Learn more about event ID 4724, including how ADAudit Plus can help monitor this and other potential malicious activity attempts. More…

How to configure advanced audit policies

The purpose of security auditing is to ensure that events are logged whenever an activity occurs. However, when every activity is audited, event logs become flooded with irrelevant information that makes it difficult for network administrators to separate critical events from insignificant ones. More…

Windows Event ID 4624- Successful logon

Event ID 4624 (viewed in Windows Event Viewer) documents every successful attempt at logging on to a local computer. This event is generated on the computer that was accessed, in other words, where the logon session was created. A related event, Event ID 4625, documents failed logon attempts. More…

Windows Event ID 4625- Failed logon

Event ID 4625 (viewed in Windows Event Viewer) documents every failed attempt at logging on to a local computer. This event is generated on the computer from where the logon attempt was made. A related event, Event ID 4624, documents successful logons. More…

Domain Password Policies: Configuring and Auditing Correctly!

Over the past 14 years, I have been around the world helping admins, auditors, and security professionals understand how the domain password policy works in Active Directory. The default behavior has not changed in those 14 years, so you can imagine how many people I have helped, not to mention how many times I have spoken about it. More…

Autoarchiving Security Logs in Event Viewer

A small, nearly hidden feature of the Event Viewer by Microsoft is the ability to autoarchive the logs. Of course, one of the most important Event Viewer logs is the security log. For years, we have had to develop solutions or acquire software to help archive the security log when it fills up; but now, that is no longer necessary. More…

Tracking Down Locked Out Service Accounts

We all have services running on our servers. Many of these services require Active Directory user accounts, which are referred to as service accounts. These service accounts are essential, as they allow services to perform their duties. However, when a service account fails to authenticate back to a domain controller, many issues can arise. If the service account fails to authenticate too many times, the user can then be locked out. More…

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