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About TDR Baselines

TDR primarily uses the generation of File, Process, and Registry Events by the Host Sensor in real time to detect malware as it occurs on the end host. To account for changes that occur when mobile devices are offline, TDR also uses baselines to detect and alert on changes made to the system. After a baseline is created, the Host Sensor will maintain persistent file baselines. Only changes to the baseline data are sent to TDR to update the database. This reduces the amount of data the Host Sensor regularly sends to TDR. Baselines automatically run when an Host Sensor is installed. Subsequent baselines run on the schedule specified in the Host Sensor Settings.

Baselines can also be performed on demand from the TDR Web UI. This is useful when significant changes are made to a system and you need a baseline before the next scheduled baseline.

The amount of time it takes for the baseline to run will depend on the number of files on the system. To check on the status of the baseline, see the Host Sensor Status in the Web UI. The status will progress through these stages:

  • Baseline Request by <user name> acknowledged
  • Process Baseline Received
  • File Baseline Received

When the baseline is in progress on a Windows system, the user is notified in the System Tray. For more information about System Tray notifications, see TDR Host Sensor System Tray Icon

Manage Baseline Schedules

You can create an optimal period for the baseline to run to meet your business needs. Specify how often you want a baseline to run in days and create an optimal window for performing the baseline in minutes. Baselines can be scheduled to run every day or periodically with a maximum time period of 30 days. The default schedule is to run every 7 days. You can specify a minimum and maximum delay window in minutes for starting a baseline. This prevents a potential performance issue on Monday mornings when everyone restarts their computers. The baselines will be staggered within the window.

Postpone a Baseline

A user can postpone a baseline one time after it starts. When the user receives the notification that the baseline has started, they have the option to postpone it for 2 hours one time.

For information about Host Sensor Actions, see:

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