This is the report I use (I added the source IP):
Select Top 1000000 tblAssets.AssetID,
tblAssets.AssetName,
SubString(tblNtlogMessage.Message, CharIndex('Account Name:',
tblNtlogMessage.Message, CharIndex('Account Domain', tblNtlogMessage.Message))
+ 14, CharIndex('Account Domain:', tblNtlogMessage.Message,
CharIndex('Logon Type:', tblNtlogMessage.Message)) -
CharIndex('Account Name:', tblNtlogMessage.Message,
CharIndex('Account Domain', tblNtlogMessage.Message)) - 14) As Account,
SubString(tblNtlogMessage.Message, CharIndex('Account Domain:',
tblNtlogMessage.Message, CharIndex('Logon Type:', tblNtlogMessage.Message)) +
16, CharIndex('Failure Information:', tblNtlogMessage.Message) -
CharIndex('Account Domain:', tblNtlogMessage.Message, CharIndex('Logon Type:',
tblNtlogMessage.Message)) - 16) As 'Account Domain',
SubString(tblNtlogMessage.Message, CharIndex('Failure Reason:',
tblNtlogMessage.Message) + 16, CharIndex('Status', tblNtlogMessage.Message) -
CharIndex('Failure Reason:', tblNtlogMessage.Message) - 16) As Reason,
SubString(tblNtlogMessage.Message, CharIndex('Source Network Address:',
tblNtlogMessage.Message) + 24, CharIndex('Source Port:',
tblNtlogMessage.Message) - CharIndex('Source Network Address:',
tblNtlogMessage.Message) - 24) As 'Source IP',
tblNtlog.TimeGenerated
From tblAssets
Inner Join tblAssetCustom On tblAssets.AssetID = tblAssetCustom.AssetID
Inner Join tblNtlog On tblAssets.AssetID = tblNtlog.AssetID
Inner Join tblNtlogMessage On tblNtlogMessage.MessageID = tblNtlog.MessageID
Inner Join tblNtlogSource On tblNtlogSource.SourcenameID =
tblNtlog.SourcenameID
Where tblNtlog.TimeGenerated > GetDate() - 14 And tblNtlog.Eventcode = 4625 And
tblAssetCustom.State = 1
Order By tblNtlog.TimeGenerated Desc
And this is my 'failed logins chart':
Select Top 1000000 Convert(nVARCHAR(10),tblNtlog.TimeGenerated,102) As Thedate,
Count(tblAssets.AssetID) As Total
From tblAssets
Inner Join tblAssetCustom On tblAssets.AssetID = tblAssetCustom.AssetID
Inner Join tblNtlog On tblAssets.AssetID = tblNtlog.AssetID
Where tblAssetCustom.State = 1 And tblAssets.Assettype = -1 And
tblNtlog.Eventcode = 4625 And tblNtlog.TimeGenerated > GetDate() - 14
Group By Convert(nVARCHAR(10),tblNtlog.TimeGenerated,102)
Order By Thedate
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If there are any anomalies, I know I have to dig into the report.