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Glossary

Logon type

The numeric field in logon events 4624 and 4625 that says how an account logged on: console, network, service, RDP, cached and more.

The logon type is a numeric field in Security event IDs 4624 (successful logon) and 4625 (failed logon) that records how the session was created. It is logged on the machine that was accessed, which makes it central to reconstructing lateral movement from Windows event logs.

TypeNameTypical cause
2InteractiveLogon at the console keyboard
3NetworkAccess to a share, remote service or WMI from the network
4BatchScheduled task running as a user
5ServiceService started by the Service Control Manager
7UnlockWorkstation unlocked
8NetworkCleartextNetwork logon with the password passed in unhashed form
9NewCredentialsCloned token with new outbound credentials, e.g. runas /netonly
10RemoteInteractiveRemote Desktop or Terminal Services
11CachedInteractiveLogon with cached domain credentials, no domain controller contacted

Types 0 (System), 12 and 13 also exist but are less common. Read the logon type together with the source network address, workstation name and logon ID: the logon ID links the logon to the processes and logoff that follow in the same session. Type 10 events are a starting point for the RDP connection artifacts, while bursts of type 3 logons from one host to many others are a classic lateral movement pattern.

Related artifacts